lg lcd tv ch.ld91b 42lh5000

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LCD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : LD91B MODEL : 42LH5000 42LH5000-ZB North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com Internal Use Only Printed in Korea P/NO : MFL61862203 (0903-REV00)

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Page 1: Lg Lcd Tv Ch.ld91b 42lh5000

LCD TVSERVICE MANUAL

CAUTIONBEFORE SERVICING THE CHASSIS,READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LD91B

MODEL : 42LH5000 42LH5000-ZB

North/Latin America http://aic.lgservice.comEurope/Africa http://eic.lgservice.comAsia/Oceania http://biz.lgservice.com

Internal Use Only

Printed in KoreaP/NO : MFL61862203 (0903-REV00)

Page 2: Lg Lcd Tv Ch.ld91b 42lh5000

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 2 -

CONTENTS

CONTENTS .............................................................................................. 2

PRODUCT SAFETY ..................................................................................3

SPECIFICATION ........................................................................................6

ADJUSTMENT INSTRUCTION .................................................................9

BLOCK DIAGRAM...................................................................................14

EXPLODED VIEW .................................................................................. 15

SVC. SHEET ...............................................................................................

Page 3: Lg Lcd Tv Ch.ld91b 42lh5000

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 3 -

SAFETY PRECAUTIONS

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in theSchematic Diagram and Exploded View.It is essential that these special safety parts should be replaced with the same components as recommended in this manual to preventShock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

General Guidance

An isolation Transformer should always be used during theservicing of a receiver whose chassis is not isolated from the ACpower line. Use a transformer of adequate power rating as thisprotects the technician from accidents resulting in personal injuryfrom electrical shocks.

It will also protect the receiver and it's components from beingdamaged by accidental shorts of the circuitry that may beinadvertently introduced during the service operation.

If any fuse (or Fusible Resistor) in this TV receiver is blown,replace it with the specified.

When replacing a high wattage resistor (Oxide Metal Film Resistor,over 1W), keep the resistor 10mm away from PCB.

Keep wires away from high voltage or high temperature parts.

Before returning the receiver to the customer,

always perform an AC leakage current check on the exposedmetallic parts of the cabinet, such as antennas, terminals, etc., tobe sure the set is safe to operate without damage of electricalshock.

Leakage Current Cold Check(Antenna Cold Check)With the instrument AC plug removed from AC source, connect anelectrical jumper across the two AC plug prongs. Place the ACswitch in the on position, connect one lead of ohm-meter to the ACplug prongs tied together and touch other ohm-meter lead in turn toeach exposed metallic parts such as antenna terminals, phonejacks, etc. If the exposed metallic part has a return path to the chassis, themeasured resistance should be between 1MΩ and 5.2MΩ. When the exposed metal has no return path to the chassis thereading must be infinite.An other abnormality exists that must be corrected before thereceiver is returned to the customer.

Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet.

Do not use a line Isolation Transformer during this check.Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitorbetween a known good earth ground (Water Pipe, Conduit, etc.)and the exposed metallic parts.Measure the AC voltage across the resistor using AC voltmeterwith 1000 ohms/volt or more sensitivity.Reverse plug the AC cord into the AC outlet and repeat AC voltagemeasurements for each exposed metallic part. Any voltagemeasured must not exceed 0.75 volt RMS which is corresponds to0.5mA.In case any measurement is out of the limits specified, there ispossibility of shock hazard and the set must be checked andrepaired before it is returned to the customer.

Leakage Current Hot Check circuit

1.5 Kohm/10W

To Instrument'sexposed METALLIC PARTS

Good Earth Groundsuch as WATER PIPE,CONDUIT etc.

AC Volt-meter

When 25A is impressed between Earth and 2nd Groundfor 1 second, Resistance must be less than 0.1*Base on Adjustment standard

IMPORTANT SAFETY NOTICE

0.15uF

Ω

Page 4: Lg Lcd Tv Ch.ld91b 42lh5000

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 4 -

CAUTION: Before servicing receivers covered by this servicemanual and its supplements and addenda, read and follow theSAFETY PRECAUTIONS on page 3 of this publication.NOTE: If unforeseen circumstances create conflict between thefollowing servicing precautions and any of the safety precautions onpage 3 of this publication, always follow the safety precautions.Remember: Safety First.

General Servicing Precautions1. Always unplug the receiver AC power cord from the AC power

source before;a. Removing or reinstalling any component, circuit board

module or any other receiver assembly.b. Disconnecting or reconnecting any receiver electrical plug or

other electrical connection.c. Connecting a test substitute in parallel with an electrolytic

capacitor in the receiver.CAUTION: A wrong part substitution or incorrect polarityinstallation of electrolytic capacitors may result in anexplosion hazard.

2. Test high voltage only by measuring it with an appropriate highvoltage meter or other voltage measuring device (DVM,FETVOM, etc) equipped with a suitable high voltage probe.Do not test high voltage by "drawing an arc".

3. Do not spray chemicals on or near this receiver or any of itsassemblies.

4. Unless specified otherwise in this service manual, cleanelectrical contacts only by applying the following mixture to thecontacts with a pipe cleaner, cotton-tipped stick or comparablenon-abrasive applicator; 10% (by volume) Acetone and 90% (byvolume) isopropyl alcohol (90%-99% strength)CAUTION: This is a flammable mixture.Unless specified otherwise in this service manual, lubrication ofcontacts in not required.

5. Do not defeat any plug/socket B+ voltage interlocks with whichreceivers covered by this service manual might be equipped.

6. Do not apply AC power to this instrument and/or any of itselectrical assemblies unless all solid-state device heat sinks arecorrectly installed.

7. Always connect the test receiver ground lead to the receiverchassis ground before connecting the test receiver positivelead.Always remove the test receiver ground lead last.

8. Use with this receiver only the test fixtures specified in thisservice manual.CAUTION: Do not connect the test fixture ground strap to anyheat sink in this receiver.

Electrostatically Sensitive (ES) DevicesSome semiconductor (solid-state) devices can be damaged easilyby static electricity. Such components commonly are calledElectrostatically Sensitive (ES) Devices. Examples of typical ESdevices are integrated circuits and some field-effect transistors andsemiconductor "chip" components. The following techniquesshould be used to help reduce the incidence of componentdamage caused by static by static electricity.1. Immediately before handling any semiconductor component or

semiconductor-equipped assembly, drain off any electrostaticcharge on your body by touching a known earth ground.Alternatively, obtain and wear a commercially availabledischarging wrist strap device, which should be removed toprevent potential shock reasons prior to applying power to the

unit under test.2. After removing an electrical assembly equipped with ES

devices, place the assembly on a conductive surface such asaluminum foil, to prevent electrostatic charge buildup orexposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ESdevices.

4. Use only an anti-static type solder removal device. Some solderremoval devices not classified as "anti-static" can generateelectrical charges sufficient to damage ES devices.

5. Do not use freon-propelled chemicals. These can generateelectrical charges sufficient to damage ES devices.

6. Do not remove a replacement ES device from its protectivepackage until immediately before you are ready to install it.(Most replacement ES devices are packaged with leadselectrically shorted together by conductive foam, aluminum foilor comparable conductive material).

7. Immediately before removing the protective material from theleads of a replacement ES device, touch the protective materialto the chassis or circuit assembly into which the device will beinstalled.CAUTION: Be sure no power is applied to the chassis or circuit,and observe all other safety precautions.

8. Minimize bodily motions when handling unpackagedreplacement ES devices. (Otherwise harmless motion such asthe brushing together of your clothes fabric or the lifting of yourfoot from a carpeted floor can generate static electricitysufficient to damage an ES device.)

General Soldering Guidelines1. Use a grounded-tip, low-wattage soldering iron and appropriate

tip size and shape that will maintain tip temperature within therange or 500°F to 600°F.

2. Use an appropriate gauge of RMA resin-core solder composedof 60 parts tin/40 parts lead.

3. Keep the soldering iron tip clean and well tinned.4. Thoroughly clean the surfaces to be soldered. Use a mall wire-

bristle (0.5 inch, or 1.25cm) brush with a metal handle.Do not use freon-propelled spray-on cleaners.

5. Use the following unsoldering techniquea. Allow the soldering iron tip to reach normal temperature.

(500°F to 600°F)b. Heat the component lead until the solder melts.c. Quickly draw the melted solder with an anti-static, suction-

type solder removal device or with solder braid.CAUTION: Work quickly to avoid overheating the circuitboard printed foil.

6. Use the following soldering technique.a. Allow the soldering iron tip to reach a normal temperature

(500°F to 600°F)b. First, hold the soldering iron tip and solder the strand against

the component lead until the solder melts.c. Quickly move the soldering iron tip to the junction of the

component lead and the printed circuit foil, and hold it thereonly until the solder flows onto and around both thecomponent lead and the foil.CAUTION: Work quickly to avoid overheating the circuitboard printed foil.

d. Closely inspect the solder area and remove any excess orsplashed solder with a small wire-bristle brush.

SERVICING PRECAUTIONS

Page 5: Lg Lcd Tv Ch.ld91b 42lh5000

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 5 -

IC Remove/ReplacementSome chassis circuit boards have slotted holes (oblong) throughwhich the IC leads are inserted and then bent flat against thecircuit foil. When holes are the slotted type, the following techniqueshould be used to remove and replace the IC. When working withboards using the familiar round hole, use the standard techniqueas outlined in paragraphs 5 and 6 above.

Removal1. Desolder and straighten each IC lead in one operation by gently

prying up on the lead with the soldering iron tip as the soldermelts.

2. Draw away the melted solder with an anti-static suction-typesolder removal device (or with solder braid) before removing theIC.

Replacement1. Carefully insert the replacement IC in the circuit board.2. Carefully bend each IC lead against the circuit foil pad and

solder it.3. Clean the soldered areas with a small wire-bristle brush.

(It is not necessary to reapply acrylic coating to the areas).

"Small-Signal" Discrete TransistorRemoval/Replacement1. Remove the defective transistor by clipping its leads as close as

possible to the component body.2. Bend into a "U" shape the end of each of three leads remaining

on the circuit board.3. Bend into a "U" shape the replacement transistor leads.4. Connect the replacement transistor leads to the corresponding

leads extending from the circuit board and crimp the "U" withlong nose pliers to insure metal to metal contact then soldereach connection.

Power Output, Transistor DeviceRemoval/Replacement1. Heat and remove all solder from around the transistor leads.2. Remove the heat sink mounting screw (if so equipped).3. Carefully remove the transistor from the heat sink of the circuit

board.4. Insert new transistor in the circuit board.5. Solder each transistor lead, and clip off excess lead.6. Replace heat sink.

Diode Removal/Replacement1. Remove defective diode by clipping its leads as close as

possible to diode body.2. Bend the two remaining leads perpendicular y to the circuit

board.3. Observing diode polarity, wrap each lead of the new diode

around the corresponding lead on the circuit board.4. Securely crimp each connection and solder it.5. Inspect (on the circuit board copper side) the solder joints of

the two "original" leads. If they are not shiny, reheat them and ifnecessary, apply additional solder.

Fuse and Conventional ResistorRemoval/Replacement1. Clip each fuse or resistor lead at top of the circuit board hollow

stake.2. Securely crimp the leads of replacement component around

notch at stake top.3. Solder the connections.

CAUTION: Maintain original spacing between the replacedcomponent and adjacent components and the circuit board toprevent excessive component temperatures.

Circuit Board Foil RepairExcessive heat applied to the copper foil of any printed circuitboard will weaken the adhesive that bonds the foil to the circuitboard causing the foil to separate from or "lift-off" the board. Thefollowing guidelines and procedures should be followed wheneverthis condition is encountered.

At IC ConnectionsTo repair a defective copper pattern at IC connections use thefollowing procedure to install a jumper wire on the copper patternside of the circuit board. (Use this technique only on ICconnections).

1. Carefully remove the damaged copper pattern with a sharpknife. (Remove only as much copper as absolutely necessary).

2. carefully scratch away the solder resist and acrylic coating (ifused) from the end of the remaining copper pattern.

3. Bend a small "U" in one end of a small gauge jumper wire andcarefully crimp it around the IC pin. Solder the IC connection.

4. Route the jumper wire along the path of the out-away copperpattern and let it overlap the previously scraped end of the goodcopper pattern. Solder the overlapped area and clip off anyexcess jumper wire.

At Other ConnectionsUse the following technique to repair the defective copper patternat connections other than IC Pins. This technique involves theinstallation of a jumper wire on the component side of the circuitboard.

1. Remove the defective copper pattern with a sharp knife.Remove at least 1/4 inch of copper, to ensure that a hazardouscondition will not exist if the jumper wire opens.

2. Trace along the copper pattern from both sides of the patternbreak and locate the nearest component that is directlyconnected to the affected copper pattern.

3. Connect insulated 20-gauge jumper wire from the lead of thenearest component on one side of the pattern break to the leadof the nearest component on the other side.Carefully crimp and solder the connections.CAUTION: Be sure the insulated jumper wire is dressed so theit does not touch components or sharp edges.

Page 6: Lg Lcd Tv Ch.ld91b 42lh5000

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 6 -

SPECIFICATIONNOTE : Specifications and others are subject to change without notice for improvement.

4. Electrical specification- Module General Specification

1. Application rangeThis specification is applied to the LCD TV used LD91Bchassis.

2. Requirement for TestEach part is tested as below without special appointment.

1) Temperature : 25±5ºC (77±9ºF), CST : 40±5ºC2) Relative Humidity : 65±10%3) Power Voltage : Standard input voltage (100-240V@50/60Hz)

* Standard Voltage of each products is marked by models.4) Specification and performance of each parts are followed

each drawing and specif ication by part number inaccordance with BOM.

5) The receiver must be operated for about 5 minutes prior tothe adjustment.

3. Test method1) Performance: LGE TV test method followed 2) Demanded other specification

- Safety: CE, IEC/EN60065- EMC:CE, IEC

No Item Specification Remark

1 Screen Device 42” wide color display module LCD

2 Aspect Ratio 16:9

3 LCD Module 42” TFT LCD FHD 100Hz SCAN LGD

4 Storage Environment Temp. : -20 ~ 60 deg

Humidity : 10 ~ 90 %

5 Input Voltage AC100-240V~, 50/60Hz

6 Power Consumption Typ : 167.8W

7 Module Size 983 (H) x 57 (V) x 46 (D) Without inverter

8 Pixel Pitch 0.4845 mm(D)

9 Back Light EEFL

10 Display Colors 1.06Billion(FHD LGD),16.7M (others)

11 Coating 3H, AG

Page 7: Lg Lcd Tv Ch.ld91b 42lh5000

- 7 - LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

5. Chroma& Brightness- Module optical specification

1) Standard Test Condition (The unit has been ‘ON’)2) Stable for approximately 30 minutes in a dark environment at 25±2°…3) The values specified are at approximate distance 50Cm from the LCD surface4) Ta=25±2°C, VLCD=12.0V, fV=60Hz, Dclk=74.25MHz VBR_A=1.65V,ExtVBR_B=100%

No. Item Specification Min. Typ. Max. Remark

1. Viewing Angle<CR>10> Right/Left/Up/Down 178 Degree

2. Luminance Luminance (cd/m2) 400 500

Variation - 1.3 MAX /MIN

3. Contrast Ratio CR 1000 1400

4. CIE Color Coordinates White WX 0.279

WY 0.292 Typ

RED Xr 0.638 ±0.03

Yr 0.334

Green Xg 0.290

Yg 0.606

Blue Xb 0.144

Yb 0.064

6. Component Video Input (Y, CB/PB, CR/PR)

NoSpecification

RemarkResolution H-freq(kHz) V-freq(Hz)

1. 720x480 15.73 60.00 SDTV,DVD 480i

2. 720x480 15.63 59.94 SDTV,DVD 480i

3. 720x480 31.47 59.94 480p

4. 720x480 31.50 60.00 480p

5. 720x576 15.625 50.00 SDTV,DVD 625 Line

6. 720x576 31.25 50.00 HDTV 576p

7. 1280x720 45.00 50.00 HDTV 720p

8. 1280x720 44.96 59.94 HDTV 720p

9. 1280x720 45.00 60.00 HDTV 720p

10. 1920x1080 31.25 50.00 HDTV 1080i

11. 1920x1080 33.75 60.00 HDTV 1080i

12. 1920x1080 33.72 59.94 HDTV 1080i

13. 1920x1080 56.250 50 HDTV 1080p

14. 1920x1080 67.5 60 HDTV 1080p

Page 8: Lg Lcd Tv Ch.ld91b 42lh5000

- 8 - LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

NoSpecification

Proposed RemarkResolution H-freq(kHz) V-freq(Hz) Pixel Clock(MHz)

1. 720*400 31.468 70.08 28.321 For only DOS mode

2. 640*480 31.469 59.94 25.17 VESA Input 848*480 60Hz, 852*480 60Hz

-> 640*480 60Hz Display

3. 800*600 37.879 60.31 40.00 VESA

4. 1024*768 48.363 60.00 65.00 VESA(XGA)

5. 1280*768 47.78 59.87 79.5 WXGA

6. 1360*768 47.72 59.8 84.75 WXGA

7. 1280*1024 63.595 60.0 108.875 SXGA FHD model

8. 1920*1080 66.587 59.93 138.625 WUXGA FHD model

7. RGB (PC)

8. HDMI Input (PC/DTV)(1) DTV Mode

No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark

1. 720*400 31.468 70.08 28.321 HDCP

2. 640*480 31.469 59.94 25.17 VESA HDCP

3. 800*600 37.879 60.31 40.00 VESA HDCP

4. 1024*768 48.363 60.00 65.00 VESA(XGA) HDCP

5. 1280*768 47.78 59.87 79.5 WXGA HDCP

6. 1360*768 47.72 59.8 84.75 WXGA HDCP

7. 1280*1024 63.595 60.0 108.875 SXGA HDCP/FHD model

8. 1920*1080 67.5 60.00 138.625 WUXGA HDCP/FHD model

(2) PC Mode

No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark

1. 720*480 31.469 /31.5 59.94 /60 27.00/27.03 SDTV 480P

2. 720*576 31.25 50 54 SDTV 576P

3. 1280*720 37.500 50 74.25 HDTV 720P

4. 1280*720 44.96 /45 59.94 /60 74.17/74.25 HDTV 720P

5. 1920*1080 33.72 /33.75 59.94 /60 74.17/74.25 HDTV 1080I

6. 1920*1080 28.125 50.00 74.25 HDTV 1080I

7. 1920*1080 26.97 /27 23.97 /24 74.17/74.25 HDTV 1080P

8. 1920*1080 33.716 /33.75 29.976 /30.00 74.25 HDTV 1080P

9. 1920*1080 56.250 50 148.5 HDTV 1080P

10. 1920*1080 67.43 /67.5 59.94 /60 148.35/148.50 HDTV 1080P

Page 9: Lg Lcd Tv Ch.ld91b 42lh5000

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 9 -

ADJUSTMENT INSTRUCTION

1. Application RangeThis specification sheet is applied to all of the LCD TV withLD91B chassis.

2. Designation1) The adjustment is according to the order which is

designated and which must be followed, according to theplan which can be changed only on agreeing.

2) Power Adjustment: Free Voltage3) Magnetic Field Condition: Nil.4) Input signal Unit: Product Specification Standard5) Reserve after operation: Above 5 Minutes (Heat Run)

Temperature : at 25±5ºC Relative humidity : 65±10%Input voltage : 220V, 60Hz

6) Adjustment equipments: Color Analyzer (CA-210 or CA-110), DDC Adjustment Jig equipment, SVC remotecontroller

7) Push The “IN STOP KEY” - For memory initialization.

3. Main PCB check process* APC - After Manual-Insult, executing APC

* Boot file Download1) Execute ISP program “Mstar ISP Utility” and then click

“Config” tab.2) Set as below, and then click “Auto Detect” and check “OK”

messageIf “Error” is displayed, Check connection betweencomputer, jig, and set.

3) Click “Read” tab, and then load download file (XXXX.bin)by clicking “Read”

4) Click “Connect” tab. If “Can’t” is displayed, checkconnection between computer, jig, and set.

5) Click “Auto” tab and set as below6) Click “Run”.7) After downloading, check “OK” message.

* USB DOWNLOAD1) Put the USB Stick to the USB socket 2) Automatically detecting update file in USB Stick

- If your downloaded program version in USB Stick is Low,it didn’t work. But your downloaded version is High, USBdata is automatically detecting

3) Show the message “Copying files from memory”

filexxx.bin

(4)

(7) ……….OK

(5)

(6)

(1)

fi lexxx.bin

(2) (3)

Please Check the Speed : To use speed between from 200KHz to 400KHz

Case1 : Software version up1. After downloading S/W by USB, TV set will reboot

automatically2. Push “In-stop” key3. Push “Power on” key4. Function inspection5. After function inspection, Push “I n-stop” key.

Case2 : Function check at the assembly line1. When TV set is entering on the assembly line, Push

“In-stop” key at first.2. Push “Power on” key for turning it on.

-> If you push “Power on” key, TV set will recoverchannel information by itself.

3. After function inspection, Push “In-stop” key.

Page 10: Lg Lcd Tv Ch.ld91b 42lh5000

4) Updating is staring.

5) Fishing the version uploading, you have to put USB stickand “AC Power” off.

6) After putting “AC Power” on and check updated version onyour TV.* If downloading version is more high than your TV have,

TV can lost all channel data. In this case, you have tochannel recover. if all channel data is cleared, you didn’thave a DTV/ATV test on production line.

* After downloading, have to adjust Tool Option again.1) Push "IN-START" key in service remote controller 2) Select “Tool Option 1” and Push “OK” button.3) Punch in the number. (Each model hax their number)

4) Completed selecting Tool option.

3.1. ADC Process(1) ADC

• Input signal : Component 480i• Signal equipment displays.

- Component 480IMODEL: 209 in Pattern Generator(480i Mode)PATTERN : 65 in Pattern Generator(MSPG-925 SERIES)

• After enter Service Mode by pushing “ADJ” key,• Enter Internal ADC mode by pushing “G” key at “5. ADC

Calibration”

<Caution> Using ‘power on’ button of the Adjustment R/C ,power on TV.

* ADC Calibration Protocol (RS232)

Adjust Sequence• aa 00 00 [Enter Adjust Mode]• xb 00 40 [Component1 Input (480i)]• ad 00 10 [Adjust 480i Comp1]• xb 00 60 [RGB Input (1024*768)]• ad 00 10 [Adjust 1024*768 RGB]• aa 00 90 End Adjust mode* Required equipment : Adjustment R/C.

3.2. Function Check(1) Check display and sound

- Check Input and Signal items. (cf. work instructions)1) TV2) AV (SCART1/SCART2/ CVBS)3) COMPONENT (480i)4) RGB (PC : 1024 x 768 @ 60hz)5) HDMI6) PC Audio In* Display and Sound check is executed by Remote controller.

- 10 - LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

Model Tool option1 Tool option2 Tool option3 Tool option4

42LH5000 25025 3110 53156 3584

Item CMD1 CMD2 Data0

Adjust A A 0 0 When transfer the ‘Mode In’,

‘Mode In’ Carry the command.

ADC Adjust A D 1 0 Automatically adjustment

(The use of a internal pattern)

Adjustment pattern

Page 11: Lg Lcd Tv Ch.ld91b 42lh5000

4. Total Assembly line process4.1. Adjustment Preparation

· W/B Equipment conditionCA210 : CH 9, Test signal : Inner pattern (85IRE)

· Above 5 minutes H/run in the inner pattern. (“power on” keyof adjust remote control)

* Connecting picture of the measuring instrument(On Automatic control)Inside PATTERN is used when W/B is controlled. Connect toauto controller or push Adjustment R/C POWER ON ->Enter the mode of White-Balance, the pattern will come out.

* Auto-control interface and directions1) Adjust in the place where the influx of light like floodlight

around is blocked. (illumination is less than 10ux).2) Adhere closely the Color Analyzer (CA210) to the module

less than 10cm distance, keep it with the surface of theModule and Color Analyzer’s Prove vertically.(80~100°).

3) Aging time- After aging start, keep the power on (no suspension of

power supply) and heat-run over 5minutes.- Using ‘no signal’ or ‘full white pattern’ or the others,

check the back light on.

• Auto adjustment Map(RS-232C)RS-232C COMMAND[CMD ID DATA]

Wb 00 00 White Balance StartWb 00 ff White Balance End

** Caution **Color Temperature : COOL, Medium, Warm. One of R Gain/G Gain/ B Gain should be kept on 0xC0, andadjust other two lower than C0.(when R/G/B Gain are all C0, it is the FULL Dynamic Rangeof Module)

* Manual W/B process using adjusts Remote control.• After enter Service Mode by pushing “ADJ” key,• Enter White Balance by pushing “G” key at “6. White

Balance”.

* After done all adjustments, Press “In-start” button andcompare Tool option and Area option value with its BOM, ifit is correctly same then unplug the AC cable. If it is notsame, then correct it same with BOM and unplug AC cable.For correct it to the model’s module from factory JIG model.

* Push The “IN STOP KEY” after completing the functioninspection.

4.2. DDC EDID Write (RGB 128Byte )• Connect D-sub Signal Cable to D-sub Jack.• Write EDID Data to EEPROM(24C02) by using DDC2B

protocol.• Check whether written EDID data is correct or not.* For SVC main Ass’y, EDID have to be downloaded to Insert

Process in advance.

4.3. DDC EDID Write (HDMI 256Byte)• Connect HDMI Signal Cable to HDMI Jack.• Write EDID Data to EEPROM(24C02) by using DDC2B

protocol.• Check whether written EDID data is correct or not.* For SVC main Ass’y, EDID have to be downloaded to Insert

Process in advance.

4.4. EDID DATA1) All Data : HEXA Value2) Changeable Data :*: Serial No : Controlled / Data:01**: Month : Controlled / Data:00***:Year : Controlled****:Check sum

- 11 - LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

Cool 11,000k ºK X=0.276(±0.002)

Y=0.283(±0.002) <Test Signal>

Medium 9,300k ºK X=0.285(±0.002) Inner pattern

Y=0.293(±0.002) (216gray,85IRE)

Warm 6,500k ºK X=0.313(±0.002)

Y=0.329(±0.002)

Full White Pattern

COLORANALYZERTYPE: CA-210

RS-232C Communication

CA-210

RS-232C COMMAND MIN CENTER MAX

[CMD ID DATA] (DEFAULT)

Cool Mid Warm Cool Mid Warm

R Gain jg Ja jd 00 172 192 192 255

G Gain jh Jb je 00 172 192 192 255

B Gain ji Jc jf 00 192 192 172 255

R Cut 64 64 64 128

G Cut 64 64 64 128

B Cut 64 64 64 128

Page 12: Lg Lcd Tv Ch.ld91b 42lh5000

- Auto Download• After enter Service Mode by pushing “ADJ” key,• Enter EDID D/L mode.• Enter “START” by pushing “OK” key.

* Edid data and Model option download (RS232)

- Manual Download* Caution

1) Use the proper signal cable for EDID Download- Analog EDID : Pin3 exists- Digital EDID : Pin3 exists

2) Never connect HDMI & D-sub Cable at the same time.3) Use the proper cables below for EDID Writing4) Download HDMI1, HDMI2, separately because HDMI1 is

different from HDMI3

1) FHD RGB EDID data

2) FHD HDMI EDID data

* Detail EDID Options are below Product ID

Serial No: Controlled on production line.

Month, Year: Controlled on production line:ex) Monthly : ‘02’ -> ‘02’

Year : ‘2009’ -> ‘13’ Model Name(Hex):

Checksum: Changeable by total EDID data.

Vendor Specific(HDMI)

Model Name HEX EDID Table DDC Function

FHD Model 0001 01 00 Analog/Digital

HD Model 0000 00 00 Analog/Digital

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 12 -

MODEL MODEL NAME(HEX)

all 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20

INPUT MODEL NAME(HEX)

HDMI1 67030C001000B82D

HDMI2 67030C002000B82D

HDMI3 67030C003000B82D

HDMI4 67030C003000B82D

Item CMD1 CMD2 Data0

Download A A 0 0 When transfer the ‘Mode In’,

‘Mode In’ Carry the command.

Download A E 00 10 Automatically Download

(The use of a internal pattern)

Item

Manufacturer ID

Version

Revision

Condition

GSM

Digital : 1

Digital : 3

Data(Hex)

1E6D

01

03

D-sub to D-sub DVI-D to HDMI or HDMI to HDMI

For HDMI EDIDFor Analog EDID

0 1 2 3 4 5 6 7 8 9 A B C D E F

00 00 FF FF FF FF FF FF 00 1E 6D

10 01 03 68 73 41 78 0A CF 74 A3 57 4C B0 23

20 09 48 4C A1 08 00 81 80 61 40 45 40 31 40 01 01

30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C

40 45 00 7E 8A 42 00 00 1E 01 1D 00 72 51 D0 1E 20

50 6E 28 55 00 7E 8A 42 00 00 1E 00 00 00 FD 00 3A

60 3E 1E 53 10 00 0A 20 20 20 20 20 20

70 00

80 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

90 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

A0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

B0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

C0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

D0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

E0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

F0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

0 1 2 3 4 5 6 7 8 9 A B C D E F

00 00 FF FF FF FF FF FF 00 1E 6D

10 01 03 80 73 41 78 0A CF 74 A3 57 4C B0 23

20 09 48 4C A1 08 00 81 80 61 40 45 40 31 40 01 01

30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C

40 45 00 7E 8A 42 00 00 1E 01 1D 00 72 51 D0 1E 20

50 6E 28 55 00 7E 8A 42 00 00 1E 00 00 00 FD 00 3A

60 3E 1E 53 10 00 0A 20 20 20 20 20 20

70 01

80 02 03 26 F1 4E 10 1F 84 13 05 14 03 02 12 20 21

90 22 15 01 26 15 07 50 09 57 07

A0 E3 05 03 01 01 1D 80 18 71 1C 16 20 58 2C

B0 25 00 7E 8A 42 00 00 9E 01 1D 00 80 51 D0 0C 20

C0 40 80 35 00 7E 8A 42 00 00 1E 02 3A 80 18 71 38

D0 2D 40 58 2C 45 00 7E 8A 42 00 00 1E 66 21 50 B0

E0 51 00 1B 30 40 70 36 00 7E 8A 42 00 00 1E 00 00

F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F9

Page 13: Lg Lcd Tv Ch.ld91b 42lh5000

- 13 - LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

4.5. Outgoing condition Configuration- When pressing IN-STOP key by SVC remocon, Red LED are

blinked alternatively. And then Automatically turn off.(Must not AC power OFF during blinking)

4.6. Internal pressureConfirm whether is normal or not when between powerboard's ac block and GND is impacted on 1.5kV(dc) or2.2kV(dc) for one second

5. Serial number D/L• press “Power on” key of service remocon.

(Baud rate : 115200 bps)• Connect RS232 Signal Cable to RS-232 Jack.• Write Serial number by use RS-232.• Must check the serial number at the Diagnostics of SET UP

menu. (Refer to below).

5.1. Signal TABLE

CMD : A0hLENGTH : 85~94h (1~16 bytes)ADH : EEPROM Sub Address high (00~1F)ADL : EEPROM Sub Address low (00~FF)Data : Write dataCS : CMD + LENGTH + ADH + ADL + Data_1 +…+ Data_nDelay : 20ms

5.2. Command Set

* DescriptionFOS Default write : <7mode data> writeVtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,PhaseData write : Model Name and Serial Number write in

EEPROM,.

5.3. method & noticeA. Serial number D/L is using of scan equipment.B. Setting of scan equipment operated by Manufacturing

Technology Group.C. Serial number D/L must be conformed when it is produced

in production line, because serial number D/L is mandatoryby D-book 4.0.

* Manual Download (Model Name and Serial Number)If the TV set is downloaded by OTA or Service man, sometimesmodel name or serial number is initialized.(Not always)There is impossible to download by bar code scan, so Itneed Manual download.1) Press the ‘instart’ key of ADJ remote controller.2) Go to the menu ‘5.Model Number D/L’ like below photo.3) Input the Factory model name(ex 42LH4000-ZA) or Serial

number like photo.

4) Check the model name Instart menu -> Factory namedisplayed (ex 42LH4000-ZA)

5) Check the Diagnostics (DTV country only) -> Buyer modeldisplayed (ex 42LH4000)

CMD LENGTH ADH ADL DATA_1 . . . Data_n CS DELAY

No. Adjust mode CMD(hex) LENGTH(hex) Description

1 EEPROM WRITE A0h 84h+n n-bytes Write (n = 1~16)

Page 14: Lg Lcd Tv Ch.ld91b 42lh5000

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

- 14 -

BLOCK DIAGRAM

RG

B

CO

MP

ON

EN

TC

OM

PO

NE

NT

F-S

CA

RT

AV

3

BU

F_T

S_C

LK

/ER

R/S

YN

/DA

TA

[0]

AV

_CV

BS

_IN

DD

R2

SD

RA

M(1

Gb

)IC

30

0

NA

ND

Fla

sh

HY

NIX

IC1

02

US

BU

SB

Dig

ita

l am

p(N

TP

31

00

L)

IC7

01

CO

MP

_Y/P

b/P

r

SC

1_C

VB

S_I

N

SC

2_C

VB

S_I

N

I2S

DS

UB

_ R

/G/B

Tu ner( TDFW-G235 D1 )

TU10 00

LC

D

Pa

ne

l

74LVC541ABufferIC502

CI Slot( P5 00 )

74LCX244BufferIC501

PC

M_A

[0:7

]

FE

_VM

AIN

PC

M_A

[0:7

]

SD

DR

_D[0

:15

]

DD

R2

SD

RA

M(5

12

Mb

)IC

30

1

TD

DR

_D[0

:15

]

SD

DR

_A[0

:12

]M

sta

rS

6

LG

E3

36

9A

(DV

IX)

(IC

10

0)

MP

62

11

DH

US

B P

ow

er

IC4

02

US

B P

ow

er

FE

_TS

_DA

TA

[0:7

] ->

CI_

MD

I[0

:7]

H-S

CA

RT

H-S

CA

RT

SC

1_R

/G/B

SC

1/2

_L/R

_IN

, F

E_A

M_A

UD

IO,

AV

_L/R

_IN

, C

OM

P_L

/R_I

N,

PC

_L/R

_IN

FE

_ V

OU

T

DT

V/M

NT

_VO

UT

TD

DR

_A[0

:12

]

TP

A6

11

0A

IC7

00

He

ad

P

ho

ne RS

-23

2C

MA

X3

23

2C

DR

IC4

03

SP

DIF

SP

DIF

_OU

T

DS

UB

_H/V

SY

NC

HP

_L/R

OU

T

L/R

CI_

TS

_DA

TA

[0: 7

]

PC

M_D

[0:7

]->

CI_

DA

TA

[0:7

]

CI_

AD

DR

[0:7

]

AU

DIO

IN

RG

B_T

X/R

X

HP

D1

/2/3

/4,

HD

MI_

CE

C

HD

MI1

/2/3

TM

DS

[0:7

] (D

ata,

Clo

ck (

+/-

))

US

B_

DM

/DP

EE

PR

OM

AT

24

C5

12

(IC

10

5)

EE

PR

OM

AT

24

C5

12

(HD

CP

)IC

10

7

I2C

LV

DS

(1

0 b

it)

Se

ria

l Fla

sh

IC1

04

Fo

r T

rito

n

Se

ria

l Fla

sh

IC1

03

Fo

r B

oo

t

KIA

70

27

(IC

10

1)

Vo

lta

ge

De

tec

tor

74

LX

1G

14

C(I

C1

08

)S

ch

mit

t T

rig

ge

r

Re

set

5V

_HD

MI_

1/2

/3/4

HD

MI

1/2

/3/

4

FR

CL

GE

73

29

AIC

90

0

4C

h L

VD

S (

10

bit

)

DD

R2

SD

RA

M(5

12

Mb

)IC

10

01

DD

R2

SD

RA

M(5

12

Mb

)IC

10

00

DD

R_A

_D[0

:15

]

DD

R_B

_D[1

6:3

1]

DD

R_A

_A[0

:12

]

DD

R_B

_A[0

:12

]

HD

MI

S/W

(TM

DS

35

1)

IC6

03

HD

MI4

TM

DS

[0:7

] (

Da

ta,

Clo

ck

(+/-

))

Page 15: Lg Lcd Tv Ch.ld91b 42lh5000

- 15 - LGE Internal Use OnlyCopyright LG Electronics. Inc. All right reserved. Only for training and service purposes

300

510

120

500

121

122

810 20

0T

200

800

801

802

803

550

820

90053

0

540

520

400

A2

A10

EXPLODED VIEW

Many electrical and mechanical parts in this chassis have special safety-related characteristics. Theseparts are identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components asrecommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

IMPORTANT SAFETY NOTICE

Page 16: Lg Lcd Tv Ch.ld91b 42lh5000

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

PCM_A[0]

PCM_A[1]

PCM_A[2]

PCM_A[3]

PCM_A[4]

PCM_A[5]

PCM_A[6]

PCM_A[7]

PCM_A[7]

PCM_A[6]

PCM_A[5]

PCM_A[4]

PCM_A[0]

PCM_A[1]

PCM_A[3]

PCM_A[2]

PCM_A[8]

PCM_A[9]

PCM_A[10]

PCM_A[12]

PCM_A[13]

PCM_A[11]

PCM_A[14]

PCM_D[0]

PCM_D[1]

PCM_D[2]

PCM_D[3]

PCM_D[4]

PCM_D[5]

PCM_D[6]

PCM_D[7]

CI_TS_DATA[0]

CI_TS_DATA[1]

CI_TS_DATA[3]

CI_TS_DATA[2]

CI_TS_DATA[5]

CI_TS_DATA[4]

CI_TS_DATA[7]

CI_TS_DATA[6]

ISP_TXD

FE_TUNER_SDA

IC102

HY27US08121B-TPCB

26

NC_17

27

NC_18

28

NC_19

29

I/O0

30

I/O1

31

I/O2

32

I/O3

33

NC_20

34

NC_21

35

NC_22

36

VSS_2

37

VCC_2

38

PRE

39

NC_23

40

NC_24

41

I/O4

42

I/O5

43

I/O6

44

I/O7

45

NC_25

46

NC_26

47

NC_27

48

NC_28

17

ALE

3NC_3

6NC_6

16

CLE

15

NC_10

14

NC_9

13

VSS_1

12

VCC_1

11

NC_8

10

NC_7

9CE

8RE

7R/B

4NC_4

5NC_5

25

NC_16

24

NC_15

23

NC_14

2NC_2

22

NC_13

21

NC_12

1NC_1

20

NC_11

19

WP

18

WE

Q100

KRC103S

OPT

E

B

C

+3.3V

PCM_A[0-14]

+3.3V

+3.3V

SPI_DI

/PF_CE0

IC103

W25X32VSSIG

3WP

2DO

4GND

1CS

5DIO

6CLK

7HOLD

8VCC

SPI_CS

+3.3V

Q101

KRC103S

OPT

E

B

C

+3.3V

+3.3V

FE_TUNER_SCL

SDA0

SCL0

Flash_WP_1

R174

0

R175

0

R102

0

OPT

R193

1M

R172

0

AR102

22

AR103

22

/PF_CE0

C4

/PF_CE1

D6

/PF_OE

C4

/PF_WE

D7

PF_WP

A7

PF_ALE

D6

/F_RB

C3

AR100

22

AR101

22

/F_RB

/PF_OE

/PF_WE

/PF_CE1

PF_ALE

PF_WP

PCM_A[0-7]

SPI_CS

SPI_CK

SPI_CK

SPI_DO

R101

0

SPI_DO

SPI_DIG12

PCM_D[0-7]

PCM_RST

/PCM_OE

/PCM_REG

/PCM_WE

/PCM_IOWR

/PCM_IORD

/PCM_CE

/PCM_CD

/PCM_WAIT

/PCM_IRQA

PCM_5V_CTL

5:D24

CI_TS_DATA[0-7]

IR

11:X16;11:AD14

+3.3V_ST

SC_RE2

9:N25

SIDE_HP_MUTE

7:G26

SCART2_MUTE

9:AI24

NTP_MUTE

7:R15

EDID_WP

6:AI16;6:AL7;6:AL12

HP_DET

AMP_RST

7:F6

SCART1_MUTE9:AI25

ERROR_OUT

8:C6

SC_RE1

9:N24

KEY2

11:Y10

KEY1

11:Y9

BUF_TS_VAL_ERR

5:V21

BUF_TS_SYN

5:V22

BUF_TS_CLK

5:V21

BUF_TS_DATA[0]

5:V22

CI_TS_CLK

5:D10

CI_TS_SYN

5:D10

CI_TS_VAL

5:D10

USB_CTL

4:AL4

PWM1

PWM0

C1040.1uF

C106

0.1uF

C103

0.1uF

R1513

33

R1514

33

R1515

33

R1516

33

R1510

33

R1517

33

R1511

33

R1518

33

R1512

33

R1519

33

R1121K

OPT

R1051K OPT

R103

10K

R10410K

R1113.9K

R1524

33

R1525

33

R1526

33

R1530

33

R15334.7K

+3.3V

EEPROM_SDA

E16;E20;T19

R15391K

R15401K

L102

EEPROM_SCL

E16;T19;Y13

IC107

CAT24WC08W-T

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

EEPROM_SDA

E16;T19;Y14

SCART2_DET

INV_CTL

8:M10

Flash_WP_1

A11

SCL1

T22

SDA1

T22

PANEL_CTL

8:Q8

WARM_LED_ON

8:B11

DBG_RX

POWER_ON/OFF18:P5

USB_OCD

4:AG3

SDA_SUB/AMP

7:F12;11:AG10

SDA1

AK12

R123

0

FE_DEMOD_SDA

10:I12

SCL_SUB/AMP

7:F13;11:AG9

R128

0

R122

0

R129

0

EEPROM_SDA

E16;E20;Y14

SDA0

T21;Y14

SCL0

T21;Y14

R124

4.7K

FE_DEMOD_SCL

10:I12

EEPROM_SCL

E16;E19;Y13

R125

4.7K

SCL1

AK12

+3.3V

SCART1_DET

EEPROM_SCL

E16;E19;T19

ISP_RXD

COMP_DET

DSUB_DET

AV_CVBS_DET

4:M4

R151

0

R1509

0

OPT

R131

0MEMC_SCL

11:Q8

MEMC_SDA

11:J8

R130

0SDA0

T21;Y14

SCL0

T21;Y14

5V_HDMI_2

5V_HDMI_1

X100

12MHz

SB_MUTE

7:G25;7:R15;9:AI24;9:AI25

SW100

JTP-1127WEM

1 2

43

+3.3V_ST

R115

10K

IC101

KIA7427F

2

GND

3OUT

1VCC

C101

0.022uF

16VR107

470

SIDE_USB_DM

4:AJ6

R132

15K

OPT

R133

15K

OPT

R179

0

R178

0

SIDE_USB_DP

4:AJ5

OPC_EN

11:N20

IC105

M24512-WMW6

3E2

2E1

4VSS

1E0

5SDA

6SCL

7WC

8VCC

DBG_TX

DBG_RX

BIT_SEL

9:AI24

LVDS_SEL

10:AA4

+3.3V

C105

10uF6.3V

LED_ON

/FE_RESET

MODEL_OPT_3

MODEL_OPT_2

MODEL_OPT_0

MEMC_RESET

+3.3V

MODEL_OPT_1

FE_AGC_SPEED_CTL

MODEL_OPT_1

MODEL_OPT_2

R189

0

MODEL_OPT_0

MODEL_OPT_3

R126

0

FE_BOOSTER_CTL

10:AA4

+5V_GENERAL

R15044.7K

FE_TUNER_SCL

AI13;10:I9

R15054.7K

FE_TUNER_SDA

AI13;10:I9

C111

20pF

C112

20pF

SEL2_HDMI_SW

5V_HDMI_3

HPD3

+12V

R1521

3.6K

32

POWER_DET

R1527

1K

1%

32

R1529

1.8K

37~47

+24V

IC1500

KIA7042AF

2

G

3O

1I

+3.3V_ST

R1528

2.7K

1%

37~47

R1543

10K

PWM2

11:AE17

R1500

1KOPT

PWM2

R1501

1K

C1501

2.2uF

OPT

+3.3V

R198

1K

A_DIM

PWM0

R1544

100

R199

1K

OPT

C1500

1uF

OPT

PWM0

PWM1

PWM_DIM

R168

0

R100

0

R116

0

R146

0

R173

0

C100

0.1uF

R1612

100

R1601

100

R1600

100

R183

100

R190

100

R153

100

R191

100

R154

100

R177

100

R184

100

R185

100

R167

100

R159

100

R1534

100

R127

100

R188

100

R186

100

R148

100

R166

100

R157

100

R106

100

R1550

100

R160

100

R156

100

R147

100

R192

100

R155

100

R195

10K

R140

22

R142

22

R141

22

R143

22

R171

22

R161

22

R170

22

R1537

22

R108

22

R1538

22

R169

22

R150

22

OPT

R158

4.7K

R152

4.7K

OPT

C102

10uF

6.3V

R15032.2K

R15022.2K

+3.3V_TUNER

R15061.2K

R15071.2K

POWER_DET

DBG_TX

POWER_DET

R187

100

OPT

R1523

100

ISP_TXD

R1520

100

R182

100

OPT

R1611

100

R1607

3.3K

R1604

3.3K

OPT

R1609

3.3K

R1605

3.3K

OPT

R1603

3.3K

R1606

3.3K

R1608

3.3K

OPT

R1610

3.3K

OPT

IC100

LGE3369A (Saturn6 Non RM)

HWRESET

D4

PCMD0/CI_D0

AC16

PCMD1/CI_D1

AA15

PCMD2/CI_D2

AA16

PCMD3/CI_D3

AC6

PCMD4/CI_D4

Y10

PCMD5/CI_D5

Y11

PCMD6/CI_D6

Y12

PCMD7/CI_D7

Y13

PCM_A0/CI_A0

AB16

PCM_A1/CI_A1

AC15

PCM_A2/CI_A2

AC14

PCM_A3/CI_A3

AB14

PCM_A4/CI_A4

AC12

PCM_A5/CI_A5

AB8

PCM_A6/CI_A6

AC13

PCM_A7/CI_A7

AA9

PCM_A8/CI_A8

AB5

PCM_A9/CI_A9

AA4

PCM_A10/CI_A10

V4

PCM_A11/CI_A11

Y4

PCM_A12/CI_A12

AB9

PCM_A13/CI_A13

AA7

PCM_A14/CI_A14

AD6

PCM_RST/CI_RST

AA14

PCM_CD/CI_CD

AB18

/PCM_OE

Y5

PCM_REG/CI_CLK

AB15

PCM_WAIT/CI_WACK

AA10

/PCM_IRQA

AC8

/PCM_WE

AC7

PCM_IOWR/CI_WR

AA5

PCM_IOR/CI_RD

W4

/PCM_CE

T4

/PF_CE0

AE6

/PF_CE1

AF6

/PF_OE

AA12

/PF_WE

AA11

PF_ALE

AC9

PF_AD15

Y14

F_RBZ

AB11

UART2_TX/SCKM

F8

UART2_RX/SDAM

D11

DDCR_DA

AB21

DDCR_CK

AC21

DDCA_CLK

J1

DDCA_DA

J2

UART_RX2

W5

UART_TX2

V5

PWM0

AB13

PWM1

AB12

PWM2

AD12

PWM3

AA13

SAR0

A4

SAR1

B4

SAR2

F4

SAR3

E4

IRIN

C4

GPIO44

AC11

GPIO96

D9

GPIO88

D10

GPIO90/I2S_OUT_MUTE

D7

GPIO91

E11

GPIO97

E8

GPIO98

E10

GPIO99

D6

GPIO103/I2S_OUT_SD3

D5

GPIO102

C5

XIN

B3

XOUT

A3

TESTPIN/GND

E6

SPI_DI

AE11

SPI_DO

AF12

/SPI_CS

AE12

SPI_CK

AD11

USB_DP_1

B5

USB_DM_1

A5

USB_DM_2

AC10

USB_DP_2

AB10

GPIO_PM0/GPIO134

E5

GPIO_PM1/GPIO135

F5

GPIO_PM2/GPIO136

G5

GPIO_PM3/GPIO137

H5

GPIO_PM4/GPIO138

F6

GPIO_PM5/INT1/GPIO139

G6

GPIO_PM6/INT2/GPIO140

H6

GPIO131/LDE/SPI_WPn1

AC17

GPIO130/LCK

AB17

GPIO132/LHSYNC/SPI_WPn

AF11

GPIO60/PCM2_RESET/RX1

AA18

GPIO62/PCM2_CD_N/TX1

AA17

LHSYNC2/I2S_OUT_MUTE/RX1

E7

LVSYNC/GPIO133

AC18

GPIO79/LVSYNC2/TX1

C6

UART2_RX/GPIO84

F9

UART2_TX/GPIO85

F10

UART1_RX/GPIO86

A6

UART1_TX/GPIO87

B6

GPIO42/PCM2_CE_N

AF5

GPIO43/PCM2_IRQA_N

AF10

TS0_D0

AA8

TS0_D1

Y8

TS0_D2

Y9

TS0_D3

AB7

TS0_D4

AA6

TS0_D5

AB6

TS0_D6

U4

TS0_D7

AC5

TS0_SYNC

AC4

TS0_VLD

AD5

TS0_CLK

AB4

TS1_D0

AB19

TS1_SYNC

AA20

TS1_VLD

AC19

TS1_CLK

AA19

ET_TXD0

C10

ET_TXD1

B11

ET_TX_CLK

A9

ET_RXD0

C11

ET_RXD1

C9

ET_TX_EN

B10

ET_MDC

A10

ET_MDIO

B9

ET_COL

A11

GPIO67

A7

GPIO68

B8

R1545

100

C114

0.1uF

R109

4.7K+3.3V

+3.3V_ST

R114

OPT

R165

0

R163

0

R1535

0

R1536

0

R162

0

R164

0

C107

8pF

OPT

EEPROM_SDA

E20;T19;Y14

EEPROM_SCL

E19;T19;Y13

R113

22

R110

22

C108

8pF

OPT

EEPROM

Serial FLASH MEMORY

for BOOT

I2C

NAND FLASH MEMORY

1 12

MAIN_1

EAX57644501

/PF_CE0

H : Serial Flash

L : NAND Flash

/PF_CE1

H : 16 bit

L : 8 bit

Addr:10101--

HDCP EEPROM

IC105: EAN43352801(ATMEL SHRINK)

2008.12.12

PM GPIO Assignment Recommended by MStar

1386 WON

$0.76

$0.418

$0.199

VOLTAGE DETECTOR

*Mstar reset:Active high reset

SIDE_USB

0IMMRMP008A(MICROCHIP)

POWER DETECT

MODEL OPTION

080923_Time Delay

MCU BOOT STRAP

DIMMING

10 : BOOT 51

11 : BOOT RISC

FRC

MODEL_OPT_1

E11

PDP

LVDS_A

LED_MOVING

LCD

PIN NO.

HD

LOW

LVDS_B

NO_FRC

B9

MODEL_OPT_3

MODEL OPTION

MODEL_OPT_2

B9(FHD)

D6

D7

HIGH

MODEL_OPT_0

PIN NAME

B9(HD)

FHD

LED_NORMAL

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 17: Lg Lcd Tv Ch.ld91b 42lh5000

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

SC1_CVBS_IN

E21;9:O4

FE_VMAIN

10:AA8

AV_CVBS_IN

4:M2

SC1_R_IN

9:J12

SC1_FB

9:O6

SC1_L_IN

9:J10

SCART1_Rout

9:T14

SCART1_Lout

9:S12

SPDIF_OUT

4:T11

HP_ROUT

7:G21

HP_LOUT

7:G19

SCART2_Lout

9:AM13

SCART2_Rout

9:AN15

DTV/MNT_VOUT

9:AL4

SC1_ID

9:P8

SC1_CVBS_IN

E17;9:O4

SC2_CVBS_IN

9:AE2

C230

2.2uF

C229

2.2uF

DSUB_HSYNC

4:C22

DSUB_VSYNC

4:C22

R229

390

1%

Check

FE_SIF

10:P13

R241

47

MS_LRCK

7:F12

MS_LRCH

7:F12

AUDIO_MASTER_CLK

7:F7

MS_SCK

7:F12

R231

22

R232

22

R233

22

R234

22

+3.3V

R242

47

+3.3V_AVDD

+1.8V_DDR

+3.3V_S6

L209

BLM18PG121SN1D+3.3V

+3.3V_S6

L206

BLM18PG121SN1D

+3.3V_S6

+3.3V_S6

L210

BLM18PG121SN1D

+3.3V_VDDP

+3.3V

+1.8V_DDR

C2006

2.2uF

C2007

2.2uF

+3.3V_AVDD_MPLL

+1.26V_VDDC

+1.26V_VDDC

+3.3V_VDDP

R210

47

R215

47

R216

47

R211

47

R213

47

R217

47

R212

47

R218

47

R206

47

R220

47

R224

47

R205

47

R219

47

R226

47

R223

47

R222

47

R227

47

R246

22

R245

22

C222

0.047uF

C214

0.047uF

C201

0.047uF

C217

0.047uF

C221

0.047uF

C210

0.047uF

C207

0.047uF

C216

0.047uF

C206

0.047uF

C204

0.047uF

C212

0.047uF

C200

0.047uF

C218

0.047uF

C205

0.047uF

C215

0.047uF

C213

0.047uF

C202

0.047uF

C211

0.047uF

C231

0.1uF

C232

0.1uF

C2008

2.2uF

C2009

2.2uF

SC2_L_IN

9:AE10

SC2_R_IN

9:AE11

C2011

2.2uF

C2012

2.2uF

C2013

2.2uF

C2014

2.2uF

C2015

2.2uF

C2016

2.2uF

C2024

0.047uF

R235

47

C2019

0.047uF

R236

47

R25222K

R25322K

R25422K

R25522K

R25622K

R25722K

C20180.01uF

C20210.01uF

C20230.01uF

C20170.01uF

C20220.01uF

C20200.01uF

C239

22pF

OPT

C236

22pF

OPT

C238

22pF

OPT

C237

22pF

OPT

R243

10K

R244

10K

R248

0

R249

0

DSUB_R

4:C26

DSUB_G

4:C24

DSUB_B

4:C23

COMP_Pr

4:K13

COMP_Pb

4:K12

COMP_Y

4:K11

SC1_R

9:J6

SC1_B

9:J9

SC1_G

9:J8

PC_L_IN

4:Z6

PC_R_IN

4:Z5

AV_L_IN

4:M5

AV_R_IN

4:M6

COMP_L_IN

4:K13

COMP_R_IN

4:K15

5V_HDMI_4

R208

0

R207

0

+3.3V_S6

C225

10uF

6.3V

C2002

10uF

C2028

10uF

C2025

10uF

6.3V

R284

100

SC2_ID

9:P8

R214

470

R225

470

R221

470

R274

100

C209

1000pF

C208

1000pF

C203

1000pF

FE_VSCART_OUT

D1+_HDMI4

6:X16

D1-_HDMI4

6:X16

CK+_HDMI_SW

6:X15

D0-_HDMI_SW

6:X15

D0+_HDMI4

6:X15

D1+_HDMI_SW

6:X16

D2-_HDMI_SW

6:X17

D0-_HDMI4

6:X15

CK-_HDMI_SW

6:X14

D2+_HDMI4

6:X17

HPD1

6:J6

CK+_HDMI4

6:X15

D0+_HDMI_SW

6:X15

CK-_HDMI4

6:X14

DDC_SDA_4

6:X13;6:AL14

HDMI_CEC

6:AM25

DDC_SDA_SW

6:X13;6:AL14

D1-_HDMI_SW

6:X16

HPD4

6:W11

DDC_SCL_SW

6:X13;6:AL13

D2+_HDMI_SW

6:X17

D2-_HDMI4

6:X17

DDC_SCL_4

6:X13;6:AL13

MEMC_RXOC-

002:Z19;009:T28

MEMC_RXO3+

002:Z20;009:T28

MEMC_RXO2-

002:Z18;009:U28

MEMC_RXEC+

002:Z24;009:Q28

MEMC_RXEC-

002:Z24;009:R28

MEMC_RXE3+

002:Z25;009:Q28

MEMC_RXO0+

002:Z17;009:U28

MEMC_RXO1-

002:Z18;009:U28

MEMC_RXO0-

002:Z17;009:V28

MEMC_RXE3-

002:Z25;009:Q28

MEMC_RXE1-

002:Z22;009:R28

MEMC_RXOC+

002:Z19;009:T28

MEMC_RXE2-

002:Z23;009:R28

MEMC_RXO2+

002:Z18;009:U28

MEMC_RXE0-

002:Z22;009:S28

MEMC_RXE2+

002:Z23;009:R28

MEMC_RXE4-

002:Z25;009:Q28

MEMC_RXO1+

002:Z18;009:U28

MEMC_RXO4+

002:Z21;009:S28

MEMC_RXE0+

002:Z22;009:S28

MEMC_RXO3-

002:Z20;009:T28

MEMC_RXE4+

002:Z26;009:Q28

MEMC_RXO4-

002:Z21;009:T28

MEMC_RXE1+

002:Z23;009:R28

SEL1_HDMI_SW

C280

0.1uF

C266

0.1uF

C250

0.1uF

C241

0.1uF

C245

0.1uF

C2004

0.1uF

C297

0.1uF

C275

0.1uF

C249

0.1uF

C268

0.1uF

C294

0.1uF

C276

0.1uF

C295

0.1uF

C261

0.1uF

C264

0.1uF

C243

0.1uF

C258

0.1uF

C270

0.1uF

C289

0.1uF

C296

0.1uF

C244

0.1uF

C281

0.1uF

C259

0.1uF

C242

0.1uF

C2005

0.1uF

C298

0.1uF

C277

0.1uF

C248

0.1uF

C290

0.1uF

C257

0.1uF

C252

0.1uF

C283

0.1uF

C278

0.1uF

C247

0.1uF

C2003

0.1uF

C265

0.1uF

C251

0.1uF

C219

0.1uF

C2027

0.1uF

C2001

0.1uF

C2000

0.1uF

C291

0.1uF

C282

0.1uF

C254

0.1uF

C2026

0.1uF

C253

0.1uF

C246

0.1uF

C299

0.1uF

C220

0.1uF

C284

0.1uF

C256

0.1uF

C274

0.1uF

C267

0.1uF

C262

0.1uF

C273

0.1uF

C271

0.1uF

C2029

0.1uF

C2030

0.1uF

C279

0.1uF

C286

0.1uF

C269

0.1uF C260

0.1uF

C293

0.1uF

C263

0.1uF

C234

0.1uF

C233

0.1uF

C235

0.1uF

C223

0.1uF C224

0.1uF

C226

0.1uF

R237

100

R238

100

R209

100

R239

100

R228

100

R266

100

R251

100

R247

100

R230

100

R250

100

R240

100

R200

100

R204

100

C227

1uF

C228

4.7uF

HPD2

6:J6

R201

100

LGE3369A (Saturn6 Non RM)

IC100

RXACKP

F1

RXACKN

F2

RXA0P

G2

RXA0N

G3

RXA1P

H3

RXA1N

G1

RXA2P

H1

RXA2N

H2

DDCD_A_DA

A1

DDCD_A_CK

B2

HOTPLUG_A

A2

RXBCKP

C3

RXBCKN

B1

RXB0P

C1

RXB0N

C2

RXB1P

D2

RXB1N

D3

RXB2P

E3

RXB2N

D1

DDCD_B_DA

E1

DDCD_B_CK

F3

HOTPLUG_B

E2

RXCCKP

AE8

RXCCKN

AD8

RXC0P

AD9

RXC0N

AF8

RXC1P

AF9

RXC1N

AE9

RXC2P

AE10

RXC2N

AD10

DDCD_C_DA

AE7

DDCD_C_CK

AF7

HOTPLUG_C

AD7

CEC

J3

HSYNC0/SC1_ID

N2

VSYNC0/SC1_FB

N1

RIN0P/SC1_R

P2

GIN0P/SC1_G

R3

BIN0P/SC1_B

R1

SOGIN0/SC1_CVBS

P3

RINM

P1

BINM

T3

GINM

R2

HSYNC1/DSUB_HSYNC

K3

VSYNC1/DSUB_VSYNC

K2

RIN1P/DSUB_R

L1

GIN1P/DSUB_G

L3

BIN1P/DSUB_B

K1

SOGIN1

L2

RIN2P/COMP_PR+

V1

GIN2P/COMP_Y+

V2

BIN2P/COMP_PB+

U1

SOGIN2

V3

VSYNC2

J5

CVBS1/SC1_CVBS

U3

CVBS2/SC2_CVBS

U2

CVBS3/SIDE_CVBS

T1

VCOM1

T2

CVBS4/S-VIDEO_Y

M1

CVBS6/S-VIDEO_C

M2

CVBS5

N3

CVBS7

M3

CVBS0/RF_CVBS

W1

VCOM0

Y3

CVBSOUT0/SC2_MNTOUT

Y2

CVBSOUT1

AA2

LVA0P

AE16

LVA0M

AD16

LVA1P

AD15

LVA1M

AF16

LVA2P

AF15

LVA2M

AE15

LVA3P

AD13

LVA3M

AF14

LVA4P

AF13

LVA4M

AE13

LVACKP

AE14

LVACKM

AD14

LVB0P

AE20

LVB0M

AD20

LVB1P

AD19

LVB1M

AF20

LVB2P

AF19

LVB2M

AE19

LVB3P

AD17

LVB3M

AF18

LVB4P

AF17

LVB4M

AE17

LVBCKP

AE18

LVBCKM

AD18

AUR0

AA3

AUL0

Y1

AUR1

AE1

AUL1

AF3

AUR2

AE3

AUL2

AE2

AUR3

AA1

AUL3

AB1

AUR4

AB2

AUL4

AC2

AUR5

AB3

AUL5

AC3

SIF0P

W3

SIF0M

W2

SPDIF_IN

F11

SPDIF_OUT

E9

AUOUTR0/HP_ROUT

AF1

AUOUTL0/HP_LOUT

AF2

AUOUTR1/SC1_ROUT

AD3

AUOUTL1/SC1_LOUT

AD1

AUOUTR2/SC2_ROUT

AC1

AUOUTL2/SC2_LOUT

AD2

I2S_OUT_MCK

A8

I2S_OUT_WS

B7

I2S_OUT_BCK

C7

I2S_OUT_SD

D8

I2S_IN_SD

C8

VCLAMP

K4

REFP

H4

REFM

J4

REXT

G4

AUCOM

AE5

AUVRM

AE4

AUVRP

AF4

AUVAG

AD4

IC100

LGE3369A (Saturn6 Non RM)

VDDC_1

D16

VDDC_2

D17

VDDC_3

D18

VDDC_4

D19

VDDC_5

D20

VDDC_6

H18

VDDC_7

H19

VDDC_8

H20

VDDC_9

J20

VDDC_10

K20

VDDC_11

L20

VDDC_12

M20

VDDC_13

P7

VDDC_14

R7

VDDC_15

T7

VDDC_16

T22

VDDC_17

U7

VDDC_18

U20

VDDC_19

U22

VDDC_20

V7

VDDC_21

V22

VDDC_22

W11

VDDC_23

W12

VDDC_24

W19

VDDC_25

W20

VDDC_26

W22

VDDC_27

Y22

VDDP_1

H9

VDDP_2

H10

VDDP_3

H11

VDDP_4

H12

VDDP_5

N20

VDDP_6

P20

VDDP_7

W9

VDDP_8

W10

AVDD_AU

W7

AVDD_DDR_1

G12

AVDD_DDR_2

G13

AVDD_DDR_3

H13

AVDD_DDR_4

H14

AVDD_DDR_5

H15

AVDD_DDR_6

H16

AVDD_DDR_7

W14

AVDD_DDR_8

W15

AVDD_DDR_9

W16

AVDD_DDR_10

W17

AVDD_DDR_11

W18

AVDD_MEMPLL_1

H17

AVDD_MEMPLL_2

T20

AVDD_MEMPLL_3

V20

AVDD_LPLL

R20

AVDD_MPLL

H7

AVDD_33_1

J7

AVDD_33_2

K7

AVDD_33_3

L7

AVDD_33_4

M7

AVDD_33_5

N7

AVDD_DM

W8

AVDD_USB

H8

GND_2

E16

GND_3

E17

GND_4

E18

GND_5

F7

GND_6

L9

GND_7

L10

GND_8

L11

GND_9

L12

GND_10

L13

GND_11

L14

GND_12

L15

GND_13

L16

GND_14

L17

GND_15

L18

GND_16

M9

GND_17

M10

GND_18

M11

GND_19

M12

GND_20

M13

GND_21

M14

GND_22

M15

GND_23

M16

GND_24

M17

GND_25

M18

GND_26

N4

GND_27

N9

GND_28

N10

GND_29

N11

GND_30

N12

GND_31

N13

GND_32

N14

GND_33

N15

GND_34

N16

GND_35

N17

GND_36

N18

GND_37

P4

GND_38

P9

GND_39

P10

GND_40

P11

GND_41

P12

GND_42

P13

GND_43

P14

GND_44

P15

GND_45

P16

GND_46

P17

GND_47

P18

GND_48

R4

GND_49

R9

GND_50

R10

GND_51

R11

GND_52

R12

GND_53

R13

GND_54

R14

GND_55

R15

GND_56

R16

GND_57

R17

GND_58

R18

GND_59

T5

GND_60

T9

GND_61

T10

GND_62

T11

GND_63

T12

GND_64

T13

GND_65

T14

GND_66

T15

GND_67

T16

GND_68

T17

GND_69

T18

GND_70

U5

GND_71

W13

GND_72

Y21

GND_73

AA23

C240

2.2uF

Close to IC

as close as possible

SCART_RGB DSUB CVBS TV/MNT

2 12

MAIN_2

COMP

AUDIO IN

AUDIO OUT

VDDC : 970mA

VDDP : 102.3mA

AVDD_AU : 36.11mA

AVDD_MEMPLL : 23.77mA

AVDD_LPLL : 4.69mA

AVDD_33 : 281mA

AVDD_DM : 0.03mA

AVDD_OTG : 22.96mA

EAX57644501

2008.12.12

HDMI

LVDS OUT

081212_MSTAR request

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 18: Lg Lcd Tv Ch.ld91b 42lh5000

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

SDDR_A[12]

SDDR_A[11]

SDDR_A[10]

SDDR_A[9]

SDDR_A[0]

SDDR_A[1]

SDDR_A[2]

SDDR_A[3]

SDDR_A[4]

SDDR_A[5]

SDDR_A[6]

SDDR_A[7]

SDDR_A[8]

SDDR_A[1]

SDDR_A[10]

SDDR_A[12]

SDDR_A[7]

SDDR_A[0]

SDDR_A[2]

SDDR_A[4]

SDDR_A[6]

SDDR_A[11]

SDDR_A[8]

TDDR_A[4]

TDDR_A[11]

TDDR_A[3]

TDDR_A[10]

TDDR_A[12]

TDDR_A[2]

TDDR_A[5]

TDDR_A[8]

TDDR_A[1]

TDDR_A[0-12]

TDDR_A[1]

TDDR_A[4]

TDDR_A[3]

TDDR_A[11]

TDDR_A[5]

TDDR_A[12]

TDDR_A[6]

TDDR_A[2]

TDDR_A[10]

TDDR_A[0]

TDDR_A[8]

TDDR_A[9]

TDDR_A[7]

TDDR_A[0]

TDDR_A[6]

TDDR_A[9]

SDDR_D[10]

SDDR_D[11]

SDDR_D[12]

SDDR_D[10]

SDDR_D[8]

SDDR_D[3]

SDDR_D[8]

SDDR_D[1]

SDDR_D[9]

SDDR_D[4]

SDDR_D[3]

SDDR_D[5]

SDDR_D[1]

SDDR_D[6]

SDDR_D[2]

SDDR_D[4]

SDDR_D[14]

SDDR_D[15]

SDDR_D[6]

SDDR_D[9]

SDDR_D[7]

SDDR_D[0]

SDDR_D[13]

SDDR_D[5]

SDDR_D[2]

SDDR_D[0]

SDDR_D[12]

SDDR_D[13]

SDDR_D[14]

SDDR_D[15]

SDDR_D[7]

SDDR_D[11]

TDDR_D[2]

TDDR_D[6]

TDDR_D[1]

TDDR_D[5]

TDDR_D[11]

TDDR_D[3]

TDDR_D[7]

TDDR_D[4]

TDDR_D[9]

TDDR_D[1]

TDDR_D[8]

TDDR_D[3]

TDDR_D[8]

TDDR_D[10]

TDDR_D[12]

TDDR_D[11]

TDDR_D[15]

TDDR_D[10]

TDDR_D[14]

TDDR_D[13]

TDDR_D[12]

TDDR_D[0]

TDDR_D[2]

TDDR_D[5]

TDDR_D[13]

TDDR_D[0]

TDDR_D[7]

TDDR_D[9]

TDDR_D[6]

TDDR_D[15]

TDDR_D[14]

TDDR_D[4]

SDDR_BA[0]

SDDR_BA[1]

ADDR2_BA[2]

/ADDR2_MCLK

SDDR_CKE

ADDR2_CKE

/SDDR_CK

SDDR_CK

/SDDR_RAS

/SDDR_CAS

/SDDR_WE

SDDR_DQS1_P

SDDR_DQS0_P

SDDR_DQM1_P

SDDR_DQM0_P

SDDR_DQS1_N

SDDR_DQS0_N

/ADDR2_RAS

ADDR2_ODT

/ADDR2_CAS

/ADDR2_WE

ADDR2_DQS1_P

ADDR2_DQS0_P

ADDR2_DQM1_P

ADDR2_DQM0_P

ADDR2_DQS0_N

ADDR2_DQS1_N

BDDR2_DQM0_P

BDDR2_DQS1_P

BDDR2_ODT

BDDR2_DQS0_N

TDDR_CKE

TDDR_MCLK

BDDR2_DQS0_P

BDDR2_MCLK

/TDDR_MCLK

TDDR_DQM1_P

BDDR2_DQS1_N

BDDR2_DQM1_P

/TDDR_CAS

BDDR2_BA[2]

TDDR_BA[1]

/TDDR_WE

TDDR_DQS1_P

TDDR_BA[0]

TDDR_DQS1_N

TDDR_DQS0_P

BDDR2_BA[0]

/TDDR_RAS

BDDR2_BA[1]

TDDR_DQM0_P

/BDDR2_MCLK

TDDR_DQS0_N

SDDR_A[3]

SDDR_A[0-12]

ADDR2_A[0-12]

ADDR2_A[0]

ADDR2_A[1]

ADDR2_A[3]

ADDR2_A[2]

ADDR2_A[5]

ADDR2_A[7]

ADDR2_A[6]

ADDR2_A[4]

ADDR2_A[9]

ADDR2_A[8]

ADDR2_A[10]

ADDR2_A[11]

ADDR2_A[12]

ADDR2_A[3]

ADDR2_A[1]

ADDR2_A[10]

ADDR2_A[9]

ADDR2_A[12]

ADDR2_A[7]

ADDR2_A[0]

ADDR2_A[2]

ADDR2_A[4]

ADDR2_A[6]

ADDR2_A[11]

ADDR2_A[8]

ADDR2_BA[0]

ADDR2_BA[1]

ADDR2_MCLK

BDDR2_A[0-12]

BDDR2_A[0]

BDDR2_A[1]

BDDR2_A[2]

BDDR2_A[3]

BDDR2_A[4]

BDDR2_A[5]

BDDR2_A[6]

BDDR2_A[7]

BDDR2_A[8]

BDDR2_A[9]

BDDR2_A[10]

BDDR2_A[11]

BDDR2_A[12]

BDDR2_A[9]

BDDR2_A[3]

BDDR2_A[1]

BDDR2_A[10]

BDDR2_A[5]

BDDR2_A[12]

BDDR2_A[0]

BDDR2_A[2]

BDDR2_A[4]

BDDR2_A[6]

BDDR2_A[11]

BDDR2_A[8]

BDDR2_CKE

/BDDR2_RAS

/BDDR2_CAS

/BDDR2_WE

ADDR2_D[0-15]

ADDR2_D[0]

ADDR2_D[1]

ADDR2_D[3]

ADDR2_D[2]

ADDR2_D[5]

ADDR2_D[4]

ADDR2_D[6]

ADDR2_D[7]

ADDR2_D[12]

ADDR2_D[9]

ADDR2_D[8]

ADDR2_D[14]

ADDR2_D[10]

ADDR2_D[15]

ADDR2_D[11]

ADDR2_D[13]

ADDR2_D[11]

ADDR2_D[12]

ADDR2_D[4]

ADDR2_D[3]

ADDR2_D[1]

ADDR2_D[6]

ADDR2_D[9]

ADDR2_D[14]

ADDR2_D[15]

ADDR2_D[13]

ADDR2_D[10]

ADDR2_D[8]

ADDR2_D[5]

ADDR2_D[7]

ADDR2_D[2]

ADDR2_D[0]

SDDR_D[0-15]

BDDR2_D[0-15]

BDDR2_D[0]

BDDR2_D[1]

BDDR2_D[2]

BDDR2_D[3]

BDDR2_D[6]

BDDR2_D[4]

BDDR2_D[7]

BDDR2_D[5]

BDDR2_D[10]

BDDR2_D[8]

BDDR2_D[12]

BDDR2_D[14]

BDDR2_D[15]

BDDR2_D[11]

BDDR2_D[9]

BDDR2_D[13]

BDDR2_D[11]

BDDR2_D[12]

BDDR2_D[14]

BDDR2_D[9]

BDDR2_D[13]

BDDR2_D[10]

BDDR2_D[8]

BDDR2_D[15]

BDDR2_D[4]

BDDR2_D[3]

BDDR2_D[1]

BDDR2_D[6]

BDDR2_D[7]

BDDR2_D[5]

BDDR2_D[0]

BDDR2_D[2]

TDDR_D[0-15]

SDDR_A[9]

SDDR_A[5]

ADDR2_A[5]

BDDR2_A[7]

TDDR_A[7]

SDDR_ODT

TDDR_BA[2]

SDDR_BA[2]

+1.8V_DDR

+1.8V_DDR

+1.8V_DDR

+1.8V_DDR

+1.8V_DDR

+1.8V_DDR

+1.8V_DDR

AR300

56

AR301

56

AR302

56

AR303

56

AR305

56

AR304

56

AR306

56

AR308

56

AR307

56

AR309 56

AR310

56

AR312 56

AR311

56

AR313

56

R306

22

R307

22

R300150

OPT

R344150

OPT

R331

22

R330

22

+1.8V_DDR

+1.8V_DDR

+1.8V_DDR

+1.8V_DDR

C324

10uF

C303

10uF

IC301

H5PS5162FFR-S6C

J2

VREF

J8

CK

H2

VSSQ2

B7

UDQS

N8

A4

P8

A8

L1

NC4

L2

BA0

R8

NC3

K7

RAS

F8

VSSQ3

F3

LDM

P3

A9

M3

A1

N3

A5

K8

CK

R3

NC5

L3

BA1

J7

VSSDL

L7

CAS

F2

VSSQ4

B3

UDM

M2

A10/AP

K2

CKE

R7

NC6

M7

A2

N7

A6

M8

A0

J1

VDDL

K3

WE

E8

LDQS

P7

A11

K9

ODT

A2

NC1

N2

A3

P2

A7

H8

VSSQ1

F7

LDQS

A8

UDQS

R2

A12

L8

CS

E2

NC2

E7

VSSQ5

D8

VSSQ6

D2

VSSQ7

A7

VSSQ8

B8

VSSQ9

B2

VSSQ10

P9

VSS1

N1

VSS2

J3

VSS3

E3

VSS4

A3

VSS5

G9

VDDQ1

G7

VDDQ2

G3

VDDQ3

G1

VDDQ4

E9

VDDQ5

C9

VDDQ6

C7

VDDQ7

C3

VDDQ8

C1

VDDQ9

A9

VDDQ10

R1

VDD1

M9

VDD2

J9

VDD3

E1

VDD4

A1

VDD5

B9

DQ15

B1

DQ14

D9

DQ13

D1

DQ12

D3

DQ11

D7

DQ10

C2

DQ9

C8

DQ8

F9

DQ7

F1

DQ6

H9

DQ5

H1

DQ4

H3

DQ3

H7

DQ2

G2

DQ1

G8

DQ0

IC300

HY5PS1G1631CFP-S6

J2

VREF

J8

CK

H2

VSSQ2

B7

UDQS

N8

A4

P8

A8

L1

BA2

L2

BA0

R8

NC3

K7

RAS

F8

VSSQ3

F3

LDM

P3

A9

M3

A1

N3

A5

K8

CK

R3

NC5

L3

BA1

J7

VSSDL

L7

CAS

F2

VSSQ4

B3

UDM

M2

A10/AP

K2

CKE

R7

NC6

M7

A2

N7

A6

M8

A0

J1

VDDL

K3

WE

E8

LDQS

P7

A11

K9

ODT

A2

NC1

N2

A3

P2

A7

H8

VSSQ1

F7

LDQS

A8

UDQS

R2

A12

L8

CS

E2

NC2

E7

VSSQ5

D8

VSSQ6

D2

VSSQ7

A7

VSSQ8

B8

VSSQ9

B2

VSSQ10

P9

VSS1

N1

VSS2

J3

VSS3

E3

VSS4

A3

VSS5

G9

VDDQ1

G7

VDDQ2

G3

VDDQ3

G1

VDDQ4

E9

VDDQ5

C9

VDDQ6

C7

VDDQ7

C3

VDDQ8

C1

VDDQ9

A9

VDDQ10

R1

VDD1

M9

VDD2

J9

VDD3

E1

VDD4

A1

VDD5

B9

DQ15

B1

DQ14

D9

DQ13

D1

DQ12

D3

DQ11

D7

DQ10

C2

DQ9

C8

DQ8

F9

DQ7

F1

DQ6

H9

DQ5

H1

DQ4

H3

DQ3

H7

DQ2

G2

DQ1

G8

DQ0

R351

0

R350

0

OPT

C306

0.1uF

C337

0.1uF

C320

0.1uF

C326

0.1uF

C340

0.1uF

C338

0.1uF

C331

0.1uF

C329

0.1uF

C334

0.1uF

C336

0.1uF

C341

0.1uF

C327

0.1uF

C319

0.1uF

C310

0.1uF

C342

0.1uF

C316

0.1uF

C323

0.1uF

C330

0.1uF

C305

0.1uF

C317

0.1uF

C332

0.1uF

C314

0.1uF

C302

0.1uF

C339

0.1uF

C308

0.1uF

C318

0.1uF

C307

0.1uF

C304

0.1uF

C328

0.1uF

C315

0.1uF

C313

0.1uF

C312

0.1uF

C325

0.1uF

C333

0.1uF

C3010.1uF

C3000.1uF

C335

0.1uF

C311

0.1uF

C3090.1uF

R3451K

1%

R3431K

1%

R321

1K1%

R322

1K1%

R301

1K1% R3021K1%

R348

4.7K

OPT

R347

4.7K

OPT

R346

4.7K

OPT

R349

4.7K

OPT

R336

56

R320

56

R31956

R317

56

R315

56

R310

56

R334

56

R313

56

R333

56

R318

56

R327

56

R308

56

R309

56

R339

56

R311

56

R340

56

R312

56

R332

56

R329

56

OPT

R305

56

R303

56

R341

56

R314

56

R338

56

R304

56

R325

56

R337

56

R335

56

R326

56

R342

56

R328

56

R316

56

IC100

LGE3369A (Saturn6 Non RM)

B_DDR2_A0

T26

B_DDR2_A1

AF26

B_DDR2_A2

T25

B_DDR2_A3

AF23

B_DDR2_A4

T24

B_DDR2_A5

AE23

B_DDR2_A6

R26

B_DDR2_A7

AD22

B_DDR2_A8

R25

B_DDR2_A9

AC22

B_DDR2_A10

AD23

B_DDR2_A11

R24

B_DDR2_A12

AE22

B_DDR2_BA0

AC23

B_DDR2_BA1

AC24

B_DDR2_BA2

AB22

B_DDR2_MCLK

V25

/B_DDR2_MCLK

V24

B_DDR2_CKE

AB23

B_DDR2_ODT

U26

/B_DDR2_RAS

U25

/B_DDR2_CAS

U24

/B_DDR2_WE

AB24

B_DDR2_DQS0

AB26

B_DDR2_DQS1

AA26

B_DDR2_DQM0

AC25

B_DDR2_DQM1

AC26

B_DDR2_DQSB0

AB25

B_DDR2_DQSB1

AA25

B_DDR2_DQ0

W25

B_DDR2_DQ1

AE26

B_DDR2_DQ2

W24

B_DDR2_DQ3

AF24

B_DDR2_DQ4

AF25

B_DDR2_DQ5

V26

B_DDR2_DQ6

AE25

B_DDR2_DQ7

W26

B_DDR2_DQ8

Y26

B_DDR2_DQ9

AD25

B_DDR2_DQ10

Y25

B_DDR2_DQ11

AE24

B_DDR2_DQ12

AD26

B_DDR2_DQ13

Y24

B_DDR2_DQ14

AD24

B_DDR2_DQ15

AA24

A_MVREF

D15

A_DDR2_A0

C13

A_DDR2_A1

A22

A_DDR2_A2

B13

A_DDR2_A3

C22

A_DDR2_A4

A13

A_DDR2_A5

A23

A_DDR2_A6

C12

A_DDR2_A7

B23

A_DDR2_A8

B12

A_DDR2_A9

C23

A_DDR2_A10

B22

A_DDR2_A11

A12

A_DDR2_A12

A24

A_DDR2_BA0

C24

A_DDR2_BA1

B24

A_DDR2_BA2

D24

A_DDR2_MCLK

B14

/A_DDR2_MCLK

A14

A_DDR2_CKE

D23

A_DDR2_ODT

D14

/A_DDR2_RAS

D13

/A_DDR2_CAS

D12

/A_DDR2_WE

D22

A_DDR2_DQS0

B18

A_DDR2_DQS1

C17

A_DDR2_DQM0

C18

A_DDR2_DQM1

A19

A_DDR2_DQSB0

A18

A_DDR2_DQSB1

B17

A_DDR2_DQ0

B15

A_DDR2_DQ1

A21

A_DDR2_DQ2

A15

A_DDR2_DQ3

B21

A_DDR2_DQ4

C21

A_DDR2_DQ5

C14

A_DDR2_DQ6

C20

A_DDR2_DQ7

C15

A_DDR2_DQ8

C16

A_DDR2_DQ9

C19

A_DDR2_DQ10

B16

A_DDR2_DQ11

B20

A_DDR2_DQ12

A20

A_DDR2_DQ13

A16

A_DDR2_DQ14

B19

A_DDR2_DQ15

A17

DDR2 1.8V By CAP - Place these Caps near Memory

3 12

DDR2

Close to DDR Power Pin

Close to DDR Power Pin

2008.12.12

EAX57644501

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 19: Lg Lcd Tv Ch.ld91b 42lh5000

Fiber Optic

USB DOWN STREAM

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

JP412

DSUB_B

2:E19

ISP_RXD

JP414

P401

KCN-DS-1-0088

1

2

3

4

5

6

7

8

9

10

PC_L_IN

2:S16

IC403

MAX3232CDR

3C1-

2V+

4C2+

1C1+

6V-

5C2-

7DOUT2

8RIN2

9ROUT2

10DIN2

11DIN1

12ROUT1

13RIN1

14DOUT1

15GND

16VCC

P400

KCN-DS-1-0089

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

DSUB_G

2:E19

COMP_R_IN

2:S16

DSUB_R

2:E18

COMP_Pr

2:E20

DBG_TX

COMP_DET

1:AA22

DBG_RX

ISP_TXD

+5V_ST

+5V_ST

JP413

COMP_Y

2:E20

+3.3V

JK401

PEJ024-01

6B

T_TERMINAL2

8SHIELD_PLATE

7B

B_TERMINAL2

5T_SPRING

4R_SPRING

7A

B_TERMINAL1

6A

T_TERMINAL1

3E_SPRING

COMP_L_IN

2:S16

PC_R_IN

2:S16

DSUB_HSYNC

2:E18

DSUB_VSYNC

2:E18

DSUB_DET

COMP_Pb

2:E20

AV_CVBS_DET

+3.3V

AV_CVBS_IN

AV_R_IN

AV_L_IN

+3.3V

EDID_WP

1:AJ19

R412

10K

R416

100

D400

ENKMC2838-T112

A1

C

A2

+5V_ST

C402

18pF

50V

C401

18pF

50V

JK402

PPJ218-01

5C

[RD]CONTACT

2C

[RD]U_CAN

4C

[RD]O_SPRING

2B

[WH]U_CAN

3B

[WH]C_LUG

2A

[YL]U_CAN

5A

[YL]CONTACT

4A

[YL]O_SPRING

R406

2.2K

R404

2.2K

+5V_GENERAL

+5V_GENERAL

JK403

JST1223-001

1

GND

2

VCC

3

VINPUT

4 FIX_POLE

SPDIF_OUT

2:X18

SIDE_USB_DP

1:AL7

SIDE_USB_DM

1:AL8

D425

5.6V

CDS3C05HDMI1

D426

5.6V

CDS3C05HDMI1

IC400

CAT24C02WI-GT3

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

D408

30V

AMOTECH

D409

30V

AMOTECH

D413

30V

D414

30V

ADUC30S03010L_AMODIODE

D415

30V

ADUC30S03010L_AMODIODE

D416

30V

ADUC30S03010L_AMODIODE

D417

30V

ADUC30S03010L_AMODIODE

D423

30V

ADUC30S03010L_AMODIODE

OPT

D424

30V

ADUC30S03010L_AMODIODE

OPT

D406

30V

AMOTECH

D407

30V

AMOTECH

D404

5.6V

AMOTECH

D405

5.6V

AMOTECH

D410

5.6V

AMOTECH

D411

5.6V

AMOTECH

D412

5.6V

AMOTECH

D418

5.6V

ADMC5M03200L_AMODIODE

OPT

D419

5.6V

ADMC5M03200L_AMODIODE

OPT

D420

5.6V

ADMC5M03200L_AMODIODE

OPT

D421

5.6V

OPT

AMOTECH

D422

5.6V

OPT

AMOTECH

ZD403

OPT

ADMC5M03200L_AMODIODE

JK405KJA-UB-4-0004

1 2 3 45

IR_OUT

R461

0OPT

C407

10uF

OPT

USB_CTL

1:AI26

+5V_USB_SIDE

USB_OCD

1:AI14

C403

0.1uF

R458

6.2K

R457

6.2K

R456

0

R419

0

R435

0 R436

0

R455

0

R446

0 OPT

R440

0

R437

0

R400

0

C430

0.047uF

25V

C404

0.1uF

16V

C431

0.1uF

16V

C405

0.1uF

C406

0.1uF

16V

C400

0.1uF

16V

C429

0.33uF

16V

C428

0.33uF

16V

C425

0.33uF

16V

R459

100

@maker

R460100

C415

1000pF

50V

C417

1000pF

50V

C422

100pF

50V

C424

100pF

50V

C412

100pF

50V

C413

100pF

50V

R420

10K

R414

10K

R431

10KR432

10K

R413

10K

R43312K

R41712K

R43412K

R41512K

R409

1K

R448

1K

R462

1K

R425

1K

R444

22

R445

22

C427

220pF

50V

C426

220pF

50V

R418

4.7K

R401

4.7K

R447

4.7K

R403

47

R450

470K

R429

470K

R408

470K

R430

470K

R410

470K

R449

470K

C414

47pF

50V

R44275

R44375

R411

75

R428

75

R427

75

R44175

R426

75

C419

OPT

C420

OPT

C418

OPT

R452

15K

R451

15K

R454

10K

R453

10K

IC402

MP6211DH

3IN_2

2IN_1

4EN

1GND

5FLAG

6OUT_1

7OUT_2

8OUT_3

JK400

PPJ229-01 4A

[GN]CONTACT

2A

[GN]1P_CAN

3A

[GN]O_SPRING

2B

[BL]1P_CAN

5B

[BL]C_LUG_L

2C

[RD]1P_CAN1

5C

[RD]C_LUG_L

2D

[WH]1P_CAN

5D

[WH]C_LUG_L

2E

[RD]1P_CAN2

4E

[RD]CONTACT

3E

[RD]O_SPRING

D403

5.6V

AMOTECH

COMPONENT

PC AUDIO

RS232C

AV

4 12

INTERFACE

[ PC ]

SPDIF OPTIC JACK

Side USB (Minerva OPT)

2008.12.12

EAX57644501

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 20: Lg Lcd Tv Ch.ld91b 42lh5000

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

CI_ADDR[4]

CI_DATA[7]

CI_DATA[5]

CI_ADDR[5]

CI_DATA[0]

CI_DATA[4]

CI_ADDR[13]

CI_ADDR[7]

CI_ADDR[12]

CI_ADDR[6]

CI_ADDR[14]

FE_TS_DATA[0-7]

CI_ADDR[0]

CI_ADDR[2]

CI_ADDR[1]

CI_ADDR[3]

CI_ADDR[11]

CI_DATA[6]

CI_ADDR[10]

CI_DATA[3]

CI_ADDR[8]

CI_ADDR[9]

CI_DATA[0-7]

CI_DATA[2]

CI_DATA[1]

CI_DATA[0-7]

CI_DATA[0]

CI_DATA[1]

CI_DATA[2]

CI_DATA[3]

CI_DATA[4]

CI_DATA[6]

CI_DATA[5]

CI_DATA[7]

PCM_D[0-7]

PCM_D[0]

PCM_D[1]

PCM_D[2]

PCM_D[3]

PCM_D[7]

PCM_D[4]

PCM_D[6]

PCM_D[5]

FE_TS_DATA[7]

FE_TS_DATA[6]

FE_TS_DATA[5]

FE_TS_DATA[4]

FE_TS_DATA[3]

FE_TS_DATA[1]

FE_TS_DATA[2]

FE_TS_DATA[0]

GND

CI_DET

AB9

/CI_CD2

E12

/CI_CD1

D4

CI_MDI[6]

/PCM_WAIT

PCM_D[0-7]

CI_IOWR

CI_MDI[4]

CI_TS_DATA[5]

CI_WE

P500

10067972-050LF

EAG41860101 G1

G2

57

21

52

16

10

47

41

5

36

59

23

45

54

18

49

43

137

38

2

25

56

20

51

159

46

40

4

35

58

22

53

17

11

48

42

126

37

1

24

55

19

50

44

148

39

3

26

60

27

61

28

62

29

63

30

64

31

32

33

34

65

66

67

68

CI_DET

CI_TS_DATA[7]

CI_MDI[2]

PCM_A[3]

CI_ADDR[0-14]

CI_MDI[3]

GND

R510

100

CI_MIVAL_ERR

CI_OE

/PCM_IORD

REG

CI_MDI[5]

CI_MDI[4]

R506

10K

CI_MDI[0]

CI_TS_VAL

CI_ADDR[8]

CI_TS_DATA[1]

/CI_CD1

CI_WE

CI_IOWR

CI_ADDR[0]

CI_ADDR[6]

CI_MDI[2]

R507

10K

R508

10K

FE_TS_VAL_ERR

PCM_A[6]

R505

10K

PCM_A[12]

PCM_A[10]

CI_ADDR[13]

R516

100

CI_MDI[6]

C511

0.1uF

16V

CI_MDI[3]

CI_ADDR[2]

CI_ADDR[1]

C509

0.1uF

16V

PCM_A[7]

C502

0.1uF

16V

GND

R511

100

CI_MDI[0]

CI_IORD

GND

CI_ADDR[11]

PCM_RST

/PCM_IRQA

R500

47

+5V_GENERAL

CI_ADDR[12]

+5V_GENERAL

CI_ADDR[14]

/CI_CD2

PCM_A[1]

CI_TS_CLK

PCM_A[8]

CI_OE

CI_MISTRT

D14

CI_MDI[7]

CI_MDI[1]

/PCM_WE

CI_TS_DATA[4]

C501

0.1uF

16V

GND

CI_TS_DATA[0]

FE_TS_CLK

CI_MCLKI

REG

PCM_A[4]

CI_MISTRT

PCM_A[9]

FE_TS_SYN

PCM_A[13]

/PCM_IOWR

R509

10K

/PCM_OE

CI_ADDR[5]

CI_MDI[7]

PCM_A[5]

GND

CI_TS_DATA[3]

R51710K

CI_MIVAL_ERR

GND

/PCM_REG

CI_ADDR[3]

CI_MDI[5]

/PCM_CE

PCM_A[11]

CI_TS_DATA[2]

CI_ADDR[4]

+3.3V_CI

PCM_A[0]

PCM_A[2]

CI_ADDR[7]

CI_MDI[1]

CI_IORD

CI_TS_SYN

CI_ADDR[10]

PCM_A[14]

CI_ADDR[9]

FE_TS_DATA[0-7]

CI_TS_DATA[6]

+5V_GENERAL

+5V_CI_ON

CI_DATA[0-7]

CI_DATA[0-7]

/PCM_CD

1:AA10

R503

47

R515

47

+3.3V_CI

+3.3V_CI

AR503

33

AR500

33

AR504

33

AR506

33

AR507

33

AR508

33

AR509

33

AR510

33

AR511

33

AR512

33

AR513

33

CI_MCLKI

IC502

74LVC541A(PW)

BUFFER

3A1

2A0

4A2

1OE1

6A4

5A3

7A5

8A6

9A7

10

GND

11

Y7

12

Y6

13

Y5

14

Y4

15

Y3

16

Y2

17

Y1

18

Y0

19

OE2

20

VCC

+3.3V_CI

FE_TS_CLK

AE5;10:J17

FE_TS_VAL_ERR

AE5;10:W19

FE_TS_SYN

AE5;10:J17

BUF_TS_CLK

BUF_TS_VAL_ERR

BUF_TS_SYN

BUF_TS_DATA[0]

FE_TS_DATA[0]

AG4;10:J17

C510

0.1uF

16V

C508

0.1uF

C503

0.1uF

C512

0.1uF

R521

47

R519

47

R518

10K

R520

10K

C505

10uF

10V

R522

10K

R523

10K

R513

0

OPT

R514

0

OPT

R5120

OPT

IC501

TC74LCX244FT

0ITO742440D

TOSHIBA

32Y4

21A1

41A2

11OE

61A3

52Y3

72Y2

81A4

92Y1

10

GND

11

2A1

12

1Y4

13

2A2

14

1Y3

15

2A3

16

1Y2

17

2A4

18

1Y1

19

2OE

20

VCC

IC500

74LVC1G32GW

3GND

2A

4Y

1B

5VCC

R526

47 R528

47

R527

47

R525

47

R502

10K

Q500

2SC3052

E

B

C

C500

0.1uF

16V

+5V_ST

PCM_5V_CTL

Q501

RSR025P03

SD

G

+5V_CI_ON

C507

0.1uF

16V

R501

33K

R524

33K

R529

2.2K

R504

22K

C504

10uF

10V

DVB-CI DETECT

DVB-CI SLOT

DVB-CI TS INPUT

DVB-CI HOST I/F

DVB-CI SERIAL BUFFER TS

5 12

PCMCIA

2008.12.12

CI POWER ENABLE CONTROL

EAX57644501

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 21: Lg Lcd Tv Ch.ld91b 42lh5000

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

GND

D601

ENKMC2838-T112

A1

C

A2

DDC_SDA_1

2:E10;AL9

D0+_HDMI4

2:E13

+5V_ST

D0-_HDMI2

2:E11

DDC_SDA_4

2:E14;AL14

CK+_HDMI2

2:E10

EDID_WP

CEC_REMOTE

K19;K8;AH25

DDC_SDA_2

2:E12;AL19

D1+_HDMI1

2:E9

D2-_HDMI2

2:E12

JP601

EDID_WP

D602

ENKMC2838-T112

A1

C

A2

DDC_SDA_4

DDC_SCL_4

JP603

D1+_HDMI2

2:E11

D0+_HDMI1

2:E8

5V_HDMI_2

DDC_SDA_1

JP605

D0-_HDMI4

2:E13CK-_HDMI4

2:E13

DDC_SCL_1

2:E10;AL9

D1-_HDMI2

2:E11

JP600

5V_HDMI_4

D0+_HDMI2

2:E11

D2+_HDMI4

2:E14

GND

D1-_HDMI1

2:E9

D1-_HDMI4

2:E14

D2-_HDMI4

2:E14

CK-_HDMI1

2:E8

D2+_HDMI1

2:E9

+5V_ST

GND

CK+_HDMI4

2:E13

GND

CEC_REMOTE

K19;X14;AH25

CK-_HDMI2

2:E11

DDC_SCL_4

2:E15;AL13

D0-_HDMI1

2:E9

DDC_SCL_2

D1+_HDMI4

2:E14

DDC_SCL_2

2:E12;AL18

D2-_HDMI1

2:E9

JP606

DDC_SCL_1

+5V_ST

CEC_REMOTE

K8;X14;AH25

JP604

D600

ENKMC2838-T112

A1

C

A2

DDC_SDA_2

5V_HDMI_1

D2+_HDMI2

2:E12

CK+_HDMI1

2:E8

JP611

EDID_WP

JP607

J602

EAG42463001

14

13 5

D1_GND

20

JACK_GND

12

11 2

D2_GND

19

18

10

CK+

4D1+

1D2+

17 9

D0-

8D0_GND

3D2-

16 7

D0+

6D1-

15

5V_HDMI_1

HPD1

Q601

2SC3052

E

B

C

5V_HDMI_2

HPD2

Q602

2SC3052

E

B

C

5V_HDMI_4

HPD4

Q603

2SC3052

E

B

C

Q604

2SC3052

E

B

C

D0+_HDMI3

GND

D0-_HDMI3

CEC_REMOTE

HPD3

DDC_SDA_3

D2+_HDMI3

D2-_HDMI3

JP602

5V_HDMI_3

D1-_HDMI3

D1+_HDMI3

DDC_SCL_3

CK+_HDMI3

CK-_HDMI3

DDC_SCL_3

+5V_ST

EDID_WP

JP608

DDC_SDA_3

D606

ENKMC2838-T112

A1

C

A2

5V_HDMI_3

IC603

TMDS351PAGR

1SDA3

2SCL3

3GND_1

4B31

5A31

6VCC_1

7B32

8A32

9GND_2

10

B33

11

A33

12

VCC_2

13

B34

14

A34

15

GND_3

16

VSADJ

17 Y4

18 Z4

19 VCC_3

20 Y3

21 Z3

22 GND_4

23 Y2

24 Z2

25 VCC_4

26 Y1

27 Z1

28 GND_5

29 SCL_SINK

30 SDA_SINK

31 HPD_SINK

32 S1

33

S2

34

EQ

35

HPD1

36

SDA1

37

SCL1

38

B11

39

A11

40

VCC_5

41

B12

42

A12

43

GND_6

44

B13

45

A13

46

VCC_6

47

B14

48

A14

49VDD50HPD251SDA252SCL253B2154A2155VCC_756B2257A2258GND_759B2360A2361VCC_862B2463A2464HPD3

L600

BLM18PG121SN1D

+3.3V

R624

4.7K

1/10W

1%

D2+_HDMI_SW

D2-_HDMI_SW

D1+_HDMI_SW

D1-_HDMI_SW

D0+_HDMI_SW

D0-_HDMI_SW

CK+_HDMI_SW

CK-_HDMI_SW

DDC_SCL_SW

SEL1_HDMI_SW

SEL2_HDMI_SW

+3.3V

DDC_SDA_SW

DDC_SCL_3

D0-_HDMI3

D1-_HDMI3

CK+_HDMI3

D1+_HDMI3

D0+_HDMI3

D2+_HDMI3

CK-_HDMI3

DDC_SDA_3

D2-_HDMI3

D1+_HDMI2

D0-_HDMI2

D1-_HDMI2

D2+_HDMI2

D0+_HDMI2

CK+_HDMI2

DDC_SDA_2

DDC_SCL_2

D2-_HDMI2

CK-_HDMI2

D0+_HDMI1

DDC_SCL_1

D1-_HDMI1

CK+_HDMI1

DDC_SDA_1

D0-_HDMI1

D2-_HDMI1

CK-_HDMI1

D2+_HDMI1

D1+_HDMI1

D605

30VMMBD301LT1G

+5V_HDMI_SW

IC603-*1

BU16027KV

HDMI S/W_rohm

1SDA3

2SCL3

3GND_1

4B31

5A31

6VCC_1

7B32

8A32

9GND_2

10

B33

11

A33

12

VCC_2

13

B34

14

A34

15

GND_3

16

VSADJ

17 Y4

18 Z4

19 VCC_3

20 Y3

21 Z3

22 GND_4

23 Y2

24 Z2

25 VCC_4

26 Y1

27 Z1

28 GND_5

29 SCL_SILK

30 SDA_SILK

31 HPD_SILK

32 S1

33

S2

34

RESERVE1

35

HPD1

36

SDA1

37

SCL1

38

B11

39

A11

40

VCC_5

41

B12

42

A12

43

GND_6

44

B13

45

A13

46

VCC_6

47

B14

48

A14

49RESERVE250HPD251SDA252SCL253B2154A2155VCC_756B2257A2258GND_759B2360A2361VCC_862B2463A2464HPD3

IC600

CAT24C02WI-GT3

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

IC602

CAT24C02WI-GT3

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

IC601

CAT24C02WI-GT3

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

IC6004

CAT24C02WI-GT3

3A2

2A1

4VSS

1A0

5SDA

6SCL

7WP

8VCC

R623

0

R621

0

R642

0

R619

0

R622

0

R640

0 R641

0

R648

0

R620

0

R618

0

R647

0

R645

0

R6330

R607

0

R639

0

R609

0

R605

0

C615

0.1uF

C603

0.1uF

C607

0.1uF

C604

0.1uF

C600

0.1uF

16V

C602

0.1uF

16V

C606

0.1uF

16V

C601

0.1uF

16V

C612

0.1uF

C611

0.1uF

C609

0.1uF

C608

0.1uF

C613

0.1uF

C610

0.1uF

C614

0.1uF

C616

0.1uF

R617

10K

R616

10K

R634

10K

R615

10K

R614

1K

R635

1K

R612

1K

R613

1K

R611

22

R637

22

R610

22

R603

22

R606

22

R604

22

R608

22

R638

22

R636

2K

R602

2K

R601

2K

R600

2K

R6504.7K

OPTHDMI_CEC

+3.3V_ST

R625

0

D603

MMBD301LT1G

30V

R631

OPT

GND

R627

120K

C605

0.1uF

16V

OPT

CEC_REMOTE

Q600

SSM6N15FU

OPT

3DRAIN2

2GATE1

1SOURCE1

4SOURCE2

5GATE2

6DRAIN1

JP609

JP610

R6514.7K

+3.3V

R6524.7K

R630

4.7K

R626

4.7K

R629

4.7K

R628

4.7K

R643

4.7K

R644

4.7K

R646

4.7K

R649

4.7K

J603

EAG39789402

1D2+

2D2_GND

3D2-

4D1+

5D1_GND

6D1-

7D0+

8D0_GND

9D0-

10

CK+

11

12

13

14

15

16

17

18

19

20

21

22

J601

EAG39789402

1D2+

2D2_GND

3D2-

4D1+

5D1_GND

6D1-

7D0+

8D0_GND

9D0-

10

CK+

11

12

13

14

15

16

17

18

19

20

21

22

J600

EAG39789402

1D2+

2D2_GND

3D2-

4D1+

5D1_GND

6D1-

7D0+

8D0_GND

9D0-

10

CK+

11

12

13

14

15

16

17

18

19

20

21

22

UI_HW_PORT4

UI_HW_PORT1

UI_HW_PORT2

EAX57644501

6 12

HDMI

2008.12.12

SIDE

HDM

I

$0.26

UI_HW_PORT3

UI_HW_PORT1

UI_HW_PORT2

UI_HW_PORT3

HDMI EEPROM

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 22: Lg Lcd Tv Ch.ld91b 42lh5000

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

0.1uF

C729

50V

0.1uF

C749

50V

0.1uF

C735

50V

SPK_R+

AB11

R734

3.3

C732

22000pF

50V

C746

0.47uF

50V

SPK_R-

AB12

MS_LRCK

2:X21

+24V

0.01uF

C758

50V

R736

3.3

0.1uF

C728

50V

0.01uF

C756

50V

R730

4.7K

0.1uF

C733

50V

0.01uF

C757

50V

L704

DA-8580

EAP38319001

2S

1S

1F

2F

SDA_SUB/AMP

1:L22;11:AG10

SPK_L-

AB11

0.1uF

C750

50V

R737

3.3

R732

4.7K

MS_LRCH

2:X21

SPK_L+

AB10

MS_SCK

2:X21

AUDIO_MASTER_CLK

2:X21

0.1uF

C734

50V

C731

22000pF

50V

+1.8V_AMP

C726

22000pF

50V

+1.8V_AMP

C745

0.47uF

50V

0.1uF

C752

50V

0.1uF

C751

50V

AMP_RST

1:AA21

L705

DA-8580

EAP38319001

2S

1S

1F

2F

0.01uF

C755

50V

R735

3.3

SCL_SUB/AMP

1:L22;11:AG9

R733

4.7K

C716

22000pF

50V

R731

4.7K

+1.8V_AMP

SPK_R-

AE9

SPK_L-

AE5

SPK_L+

AE3

SPK_R+

AE7

HP_ROUT

2:X19

C719

100uF

16V

HP_LOUT

2:X19

IC700

TPA6110A2DGNRG4

3SHUTDOWN

2GND

4IN2-

1BYPASS

5VO2

6VDD

7VO1

8IN1-

R715

1K

C718

100uF

16V

P700

WAFER-ANGLE

1234

C703

0.22uF

16V

C717

0.22uF

16V

+3.3V

Q701

2SC3052

E

B

C

+3.3V_ST

+24V

JK700

DJ-S3600LM

1234 5

+3.3V

HP_DET

SIDE_HP_MUTE

1:AJ19

HP_MUTE

E23;M25

D708

ENKMC2838-T112

A1

C

A2

SB_MUTE

1:AA19;R15;9:AI24;9:AI25

SB_MUTE

1:AA19;G25;9:AI24;9:AI25

NTP_MUTE

1:AA22

D709

ENKMC2838-T112

A1

C

A2

R722

100

R720

100

R721

100

D704

100V

1N4148W

OPT

D705

100V

1N4148W

OPT

D706

100V

1N4148W

OPT

D707

100V

1N4148W

OPT

D710

5.6V

AMOTECH

D711

5.6V

AMOTECH

L700

BLM18PG121SN1D

L701

BLM18PG121SN1D

C712

33pF

50V

C714

33pF

50V

R710

100

R709

100

R726

12

R727

12

R725

12

R728

12

R716

12

R705

12

R713

12

R719

12

R740

0

R7030

0.1uF

C706

16V

0.1uF

C709

C710

0.1uF

16V

C702

0.1uF

16V

0.1uF

C715

16V

R704

100

C743

1000pF

50V

C707

1000pF

50V

C708

1000pF

50V

C744

1000pF

50V

C741

1000pF

50V

C742

1000pF

50V

C705

100pF

50V

R707

10K

R729

10K

R724

10K

R714

1K

C701

1uF

6.3V

R708

3.3K

R71733K

OPT

+5V_GENERAL

+5V_EARPHONE

C711

100uF

16V

D700

ENKMC2838-T112

A1

C

A2

R700

10K

+5V_EARPHONE

R742

10K

Q705

2SC3052

E

B

C

HP_MUTE

J25;M25

+5V_EARPHONE

R741

10K

Q700

2SC3052

E

B

C

R701

10K

R702

20K

R706

20K

R711

20K

R712

20KIC701

NTP-3100L

EAN60664001

1BST1A

2VDR1A

3RESET

4AD

5DVSS_1

6VSS_IO

7CLK_I

8VDD_IO

9DGND_PLL

10

AGND_PLL

11

LFM

12

AVDD_PLL

13

DVDD_PLL

14

TEST0

15 DVSS_2

16 DVDD

17 SDATA

18 WCK

19 BCK

20 SDA

21 SCL

22 MONITOR_0

23 MONITOR_1

24 MONITOR_2

25 FAULT

26 VDR2B

27 BST2B

28 PGND2B_1

29

PGND2B_2

30

OUT2B_1

31

OUT2B_2

32

PVDD2B_1

33

PVDD2B_2

34

PVDD2A_1

35

PVDD2A_2

36

OUT2A_1

37

OUT2A_2

38

PGND2A_1

39

PGND2A_2

40

BST2A

41

VDR2A

42

NC

43VDR1B44BST1B45PGND1B_146PGND1B_247OUT1B_148OUT1B_249PVDD1B_150PVDD1B_251PVDD1A_152PVDD1A_253OUT1A_154OUT1A_255PGND1A_156PGND1A_2

C725

10uF

35V

C736

10uF

35V

L709

120-ohm

L706

120-ohm

L707

120-ohm

L708

120-ohm

C723

0.1uF

C722

0.1uF

C704

1uF

10V

C700

1uF

10V

C760

1uF

10V

C713

0.1uF16V

C727

0.1uF

16V

C724

0.1uF

16V

C730

0.1uF

16V

R718

100

C721

0.1uF

16V

0.1uF

C720

50V

C762

22uF

25V

C761

22uF

25V

SPEA

KER_

L

SPEA

KER_

R

EARPHONE AMP

7 12

AMP

2A => 5A

MCLK SDATA WCK BCK TP is necessory

Monitor0_1_2 TP is necessory

EAX57644501

2008.12.12

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 23: Lg Lcd Tv Ch.ld91b 42lh5000

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

PANEL_POWER

+5V_ST

+3.3V_ST

+12V

PANEL_CTL

1:AK10

+3.3V_AVDD_MPLL

+3.3V_ST

Q805

2SC3052

E

B

C

Q804

2SC3052

E

B

C

L803

BLM18PG121SN1D

C803

0.1uF

16V

C808

0.1uF

16V

+5V_GENERAL

+5V_USB_SIDE

+12V

R847

56K

1%

R852

9.1K

C839

0.47uF

25V

R853

12.4K

1%

IC808

MP2305DS

3SW

2IN

4GND

1BS

5FB

6COMP

7EN

8SS

+3.3V

+1.8V_AMP

GND

+5V_ST

+1.8V_DDR

GND

L827

2.2uH

L826

2.2uH

C879

10uF

C878

10uF

C883

330pF

C882

330pF

R873

56000

5%

R874

75K

5%

POWER_ON/OFF1

1:AK11

C822

100uF

16V

+3.3V

+1.2V_TUNER

Q806

RSR025P03

SD

G

+3.3V_CI

C810

100uF

16V

C824

220uF

16V

+5V_GENERAL

+12V

R815

6.8K

OPT

Q802

2SC3052

E

B

C

+24V

ERROR_OUT

+3.3V_ST

+5V_ST

INV_CTL

PWM_DIM

A_DIM

+3.3V_AVDD

+3.3V

C813

0.1uF

50V

+3.3V

C800

100uF

16V

C801

100uF

16V

L817

BLM18PG121SN1D

L814

BLM18PG121SN1D

L810

BLM18PG121SN1D

C806

100uF

16V

OPC_OUT1

R843

1.8K

R871

8.2K

1%

R809

10.5K

1%

L819

22UH

C860

5.6nF

50V

IC803

AP1117E18G-13

2

OUT

3IN

1ADJ/GND

IC801

AP1117E33G-13

2

OUT

3IN

1ADJ/GND

R826

10 1/10W

1%

0.1uF

C856

L813

3.6uH

NR8040T3R6N

+1.26V_VDDC

C836

10nF

50V

+3.3V

+5V_ST

+3.3V_ST

L821

BLM18PG121SN1D

L807

CB3216UA121

L804

CB3216UA121

L806

CB3216UA121

L805

BLM18PG121SN1D

L812

BLM18PG121SN1D

IC805

MP2212DN

3IN

2GND

4BS

1FB

5VCC

6SW_1

7SW_2

8EN/SYNC

R827

75K

1/8W

1%

R825

22K

1%

R824

22K

1%

C847

4.7uF

16V

C845

10uF

16V

OPT

C826

100uF

16V

IC804

AZ1117H-1.2TRE1

1

ADJ/GND

2OUT

3IN

C858

22uF

16V

C866

10uF

C891

0.47uF

25V

OPC_OUT2

+3.3V_MEMC

C846

100uF

16V

C855

0.1uF

16V

C851

0.1uF

16V

C854

100uF

16V

+1.8V_FRC_DDR

IC807

SC4215ISTRT

3VIN

2EN

4NC_2

1NC_1

5NC_3

6VO

7ADJ

8GND

R83812K

1/10W1% R840

9.1K

1/10W1%

R861

1uF

10V

L818

BLM18PG121SN1D

+5V_HDMI_SW

0R841

C841

0.01uF

25V

C848

0.01uF

25V

C815

0.1uF

16V

C820

0.1uF

16V

C865

0.1uF

16V

C814

0.1uF

16V

C805

0.1uF

16V

C812

0.1uF

16V

C850

0.1uF

16V

C864

0.1uF

16V

C825

0.1uF

16V

C811

0.1uF

16V

C852

0.1uF

16V

C827

0.1uF

16V

C884

0.1uF

16V

C868

0.1uF

16V

C877

0.1uF

16V

C807

0.1uF

16V

OPT

C885

0.1uF

16V

C859

0.1uF

16V

C802

0.1uF

16V

C842

0.1uF

16V

R814

100

R848

100K

R872

10K

R821

10K

R822

10K

R823

10K

OPT

R842

10K

R836

10K

R830

10K

1/16W

OPT

R831

10K

1/16W

R833

10K

R832

10K

OPT

R800

10K

C876

22uF

C880

22uF

C829

1uF

6.3V

C840

1uF

6.3V

22

R859 OPT

R837

22K

R839

22K

R856

4.7K

R862

47

C890

0.1uF

16V

+5V_GENERAL

IC809

AP1117E33G-13

2

OUT

3IN

1ADJ/GND

+3.3V_TUNER

C894

0.1uF

16V

R806

0

+1.8V_DDR

+3.3V_ST

R802

10K

Q801

RT1P141C-T112 1

2

3

+5V_ST Q800

2SC3052

E

B

C

R805

10K

R807

33K

OPT

POWER_ON/OFF1

R810

0OPT

R804

10K

R818

3.3K

C832

68uF

35V

C821

68uF

35V

OPT

C892

100uF

16V

C893

100uF

16V

C835

22uF

25V

C837

22uF

OPT

C838

22uF

C843

22uF

10V

C849

22uF

10V

OPT

C853

1uF

25V

C809

470uF

16V

R811

1R801

1

P800

FW20020-24S

19

.

14

.

9.

4.

18

.

13

.

8.

3.

17

.

12

.

7.

2.

16

.

11

.

6.

1.

20

12

15

.

10

.

5.

2111

22

14

23

.24

13

C804

22uF

25V

R850

12.4K

1%

L815

BLM18PG121SN1D

C862

5.6nF

50V

R803

100K

C867

22uF

16V

R813

9.1K

C823

0.1uF

16V

IC810

MP2305DS

3SW

2IN

4GND

1BS

5FB

6COMP

7EN

8SS

C816

0.47uF

25V

C863

0.01uF

25V

L808

22UH

+3.3V_MEMC

+12V

C869

0.1uF

16V

C819

0.1uF

16V

R844

10K

IC802

BD9130EFJ-E2

3ITH

2VCC

4GND

1ADJ

5PGND

6SW

7PVCC

8EN

R834

10K

1% R1

L809

2.2uH

R835

17.4K

1%

R2

C831

0.1uF

16V

C828

330pF

50V

C817

10uF

6.3V

C833

22uF

16V

R829

18K

+1.26V_MEMC

C830

10uF

6.3V

+3.3V_MEMC

R84933K

1%

0.1uF

C834

16V

OPT

L828

BLM18PG121SN1D

L829

BLM18PG121SN1D

C895

0.1uF

16V

OPT

IC806

BD9150MUV

1PGND2_1

3PVCC_2

7 SW1_1

9 EN1

10 FB1

11

ITH1

12

AGND

13

NC

14

AVCC

15

ITH2

16FB2

17EN2

18SW2_1

19SW2_2

20PGND2_2

5PGND1_1

8 SW1_2

6 PGND1_2

4PVCC_3

2PVCC_1

1uF

C818

6.3V

R851

4.7K

Stand-by +3.3V

C1130

8 12

POWER

+5V

$0.048

50 mA

180 mA

$0.05

450 mA

FROM LIPS & POWER B/D

BackLight On/Off

+12V

S6 core 1.26 volt

$0.28

$0.048

R1

R2

Vout=0.8*(1+R1/R2)

Replaced Part

Replaced Part

R1

Close to IC

$0.07

C IN

465 mA @85% efficiency

Close to IC

Placed on SMD-TOP

Placed on SMD-TOP

Replaced Part

1600 mA

MAX 3A

$0.24

4.9A 0.0150OHM 34MHZ

R2

R1

R2

Vout=0.8*(1+R1/R2)

Vout=0.923*(1+R1/R2)

DEVELOPE

2008.12.12

EAX57644501

400 mA

+1.8V_MEMC for DDR

$0.195

415 mA @85% efficiency

Vout=0.8*(1+R1/R2)

R1

R2

R1/R2 : 27K / 20K => Vout=1.88

R1/R2 : 12K / 9.1K => Vout=1.85

R1/R2 : 15K / 12K => Vout=1.80

R1/R2 : 18K / 13K => Vout=1.90

Replaced Part

$0.048

+12V

$0.28

Vout=0.923*(1+R1/R2)

R1

R2

5V SEPERATE FRC WITH TUNER 5V

+1.26V Core for FRC

C320 MUST BE PLACED NEAR PVCC PIN

Vout=0.8*(1+R1/R2)

$0.23

600mA

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 24: Lg Lcd Tv Ch.ld91b 42lh5000

[E1]

[D1]

[L9]

[N5]

[N4]

[N12]

[N13]

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

URSA_B2P

URSA_B2M

URSA_BCKP

URSA_BCKM

URSA_B3P

URSA_B3M

URSA_B4P

URSA_B4M

URSA_C0P

URSA_C0M

URSA_C1P

URSA_C1M

URSA_C2P

URSA_C2M

URSA_D1M

URSA_D1P

URSA_D0M

URSA_D0P

URSA_C4M

URSA_C4P

URSA_C3M

URSA_C3P

URSA_CCKM

URSA_CCKP

URSA_D2P

URSA_D2M

URSA_DCKP

URSA_DCKM

URSA_D3P

URSA_D3M

URSA_D4P

URSA_D4M

URSA_A0P

URSA_A0M

URSA_A1P

URSA_A1M

URSA_A2P

URSA_A2M

URSA_ACKP

URSA_ACKM

URSA_A3P

URSA_A3M

URSA_A4P

URSA_A4M

URSA_B0P

URSA_B0M

URSA_B1P

URSA_B1M

URSA_A[0]

URSA_A[2]

URSA_A[4]

URSA_A[6]

URSA_A[8]

URSA_A[11]

URSA_A[1]

URSA_A[10]

URSA_A[5]

URSA_A[9]

URSA_A[12]

URSA_A[7]

URSA_A[3]

URSA_DQ[0-31]

URSA_DQ[20]

URSA_DQ[19]

URSA_DQ[17]

URSA_DQ[22]

URSA_DQ[27]

URSA_DQ[28]

URSA_DQ[25]

URSA_DQ[30]

URSA_DQ[31]

URSA_DQ[24]

URSA_DQ[26]

URSA_DQ[29]

URSA_DQ[23]

URSA_DQ[16]

URSA_DQ[18]

URSA_DQ[21]

URSA_DQ[4]

URSA_DQ[3]

URSA_DQ[1]

URSA_DQ[6]

URSA_DQ[11]

URSA_DQ[12]

URSA_DQ[9]

URSA_DQ[14]

URSA_DQ[15]

URSA_DQ[8]

URSA_DQ[10]

URSA_DQ[13]

URSA_DQ[7]

URSA_DQ[0]

URSA_DQ[2]

URSA_DQ[5]

URSA_B4M

URSA_B4P

URSA_B3M

URSA_B3P

URSA_BCKM

URSA_BCKP

URSA_B2M

URSA_B2P

URSA_B1M

URSA_B1P

URSA_B0M

URSA_B0P

URSA_A4M

URSA_A4P

URSA_A3M

URSA_A3P

URSA_ACKM

URSA_ACKP

URSA_A2M

URSA_A2P

URSA_A1M

URSA_A1P

URSA_A0M

URSA_A0P

URSA_D4M

URSA_D4P

URSA_D3M

URSA_D3P

URSA_DCKM

URSA_DCKP

URSA_D2M

URSA_D2P

URSA_D1M

URSA_D1P

URSA_D0M

URSA_D0P

URSA_C4M

URSA_C4P

URSA_C3M

URSA_C3P

URSA_C0P

URSA_C0M

URSA_CCKM

URSA_CCKP

URSA_C2M

URSA_C2P

URSA_C1M

URSA_C1P

+3.3V_MEMC

L902

BLM18PG121SN1D

+1.8V_FRC_DDR

MEMC_RXE1+

MEMC_RXE1-

MEMC_RXE3+

MEMC_RXE2+

MEMC_RXE3-

MEMC_RXE2-

MEMC_RXO0-

MEMC_RXEC+

MEMC_RXO1-

MEMC_RXO1+

MEMC_RXE4+

MEMC_RXO0+

MEMC_RXEC-

MEMC_RXE4-

MEMC_RXO4-

MEMC_RXO3+

MEMC_RXOC-

MEMC_RXOC+

MEMC_RXO2+

MEMC_RXO4+

MEMC_RXO3-

MEMC_RXO2-

PANEL_POWER

BIT_SEL

+3.3V_MEMC

+3.3V_MEMC

+3.3V_MEMC

MEMC_RESET

URSA_RASZ

URSA_CASZ

URSA_WEZ

URSA_BA1

URSA_BA0

URSA_MCLKE

URSA_DQM1

URSA_DQM0

URSA_DQS0

URSA_DQSB0

URSA_DQS1

URSA_DQSB1

URSA_MCLK1

URSA_MCLKZ1

URSA_DQM3

URSA_DQM2

URSA_DQS2

URSA_DQSB2

URSA_DQS3

URSA_DQSB3

URSA_MCLK

URSA_MCLKZ

URSA_ODT

URSA_DQ[0-31]

URSA_A[0-12]

M_XTALI

M_XTALO

M_XTALO

M_XTALI

M_SPI_CZ

M_SPI_DO

M_SPI_CK

M_SPI_DI

M_SPI_CZ

M_SPI_DO

M_SPI_DI

M_SPI_CK

+3.3V_MEMC

R954

820

R930

100

R943

100

R938

100

R946

100

R935

100

R945

100

R929

100

R942

100

R936

100

R928

100

MEMC_SDA

MEMC_SCL

L904

BLM18PG121SN1D

L905

BLM18PG121SN1D

IC900

MST7323S

E1

I2CS_SDA

D1

I2CS_SCL

F1

GPIO8

G1

GPIO9

K8

VSS1

E5

VDDC_1

E2

GPIO10

F2

GPIO11

F3

GPIO12

G2

GPIO13

M4

GPIO22

M5

GPIO23

G3

GPIO14

E4

GPIO15

F4

GPIO16

G4

GPIO17

H4

GPIO18

J4

GPIO19

K4

GPIO20

L4

GPIO21

J6

VDDP_1

H9

VSS2

F6

VDDC_2

H1

DDR2_DQ20

H2

DDR2_DQ19

H3

DDR2_DQ17

J1

DDR2_DQ22

J2

DDR2_DQ27

J3

DDR2_DQ28

K1

DDR2_DQ25

K2

DDR2_DQ30

K6

AVDD_DDR1

K3

DDR2_DQM3

L1

DDR2_DQM2

J8

VSS4

L2

DDR2_DQS2

L3

DDR2_DQSB2

L6

AVDD_DDR2

L8

VDDP_2

H10

VSS5

M1

DDR2_DQS3

M2

DDR2_DQSB3

L7

AVDD_DDR3

M3

DDR2_DQ31

N1

DDR2_DQ24

J9

VSS6

N2

DDR2_DQ26

N3

DDR2_DQ29

L10

AVDD_DDR4

P1

DDR2_DQ23

R1

DDR2_DQ16

T1

DDR2_DQ18

T2

DDR2_DQ21

R2

DDR2_MCLK

P2

DDR2_MCLKZ

G7

VSS7

L9

AVDD_MEMPLL

N5

MVREF

N4

DDR2_ODT

T3 DDR2_RASZ

R3 DDR2_CASZ

P3 DDR2_A0

T4 DDR2_A2

R4 DDR2_A4

J10 VSS8

P4 DDR2_A6

T5 DDR2_A8

R5 DDR2_A11

P5 DDR2_WEZ

T6 DDR2_BA1

R6 DDR2_BA0

P6 DDR2_A1

T7 DDR2_A10

L11 AVDD_DDR5

R7 DDR2_A5

P7 DDR2_A9

T8 DDR2_A12

R8 DDR2_A7

P8 DDR2_A3

N8 MCLKE

K10 VSS9

F7 VDDC_3

T9 DDR2_DQ4

R9 DDR2_DQ3

K7 VSS10

P9 DDR2_DQ1

T10 DDR2_DQ6

K11 AVDD_DDR6

R10 DDR2_DQ11

P10 DDR2_DQ12

T11 DDR2_DQ9

R11 DDR2_DQ14

J11 AVDD_DDR7

P11 DDR2_DQM1

T12 DDR2_DQM0

R12 DDR2_DQS0

P12 DDR2_DQSB0

H11 VDDP_3

T13 DDR2_DQS1

R13 DDR2_DQSB1

P13 DDR2_DQ15

T14 DDR2_DQ8

R14 DDR2_DQ10

P14 DDR2_DQ13

T15 DDR2_DQ7

R15 DDR2_DQ0

P15 DDR2_DQ2

T16 DDR2_DQ5

R16 DDR2_MCLK1

P16 DDR2_MCLKZ1

N9 GPIO26

N10 GPIO27

N11 TESTPIN

M11 RESET

G6 VDDC_4

N12

GPIO28

N13

GPIO29

N14

GPIO30

L13

SPI_CK

M13

SPI_DI

M12

SPI_DO

K13

SPI_CZ

L12

PWM1

K12

PWM0

J13

GPIO0

H13

GPIO1

G13

GPIO2

F13

GPIO3

E13

GPIO4

F12

GPIO5

D14

GPIO6

E12

GPIO7

N6

GPIO24

H6

VDDC_5

N15

D4M

N16

D4P

M14

D3M

M15

D3P

F8

AVDD1

M16

DCKM

L16

DCKP

L15

D2M

L14

D2P

G9

VSS12

K14

D1M

J14

D1P

J16

D0M

J15

D0P

H15

C4M

H16

C4P

H14

C3M

G14

C3P

G16

CCKM

G15

CCKP

F15

C2M

F16

C2P

F14

C1M

E14

C1P

E16

C0M

E15

C0P

G10

VSS13

F9

AVDD2

D16

B4M

D15

B4P

C16

B3M

B16

B3P

A16

BCKM

A15

BCKP

B15

B2M

C15

B2P

D2

BIST

E3

PDI

E10

STV

D10

STH_F

D8

STH_S

D12REXT

C14B1MC13B1PA13B0MB13B0PD7OED9CPV

B12A4MA12A4PC12A3MC11A3PA11ACKMB11ACKPB10A2MA10A2PC10A1MC9A1PA9A0MB9A0P

F10AVDD_PLLG8VSS14

D11TPD13POL_SIE11POLN7GPIO25D6I2CM_SCLD5I2CM_SDA

A14GPIO_1B14GPIO_2D3XTALID4XTALO

K16GPIO_3K15GPIO_4H7VSS_15

G11AVDD_LVDS_1B8RXO0-A8RXO0+C8RXO1-C7RXO1+A7RXO2-B7RXO2+B6RXOCK-A6RXOCK+C6RXO3-C5RXO3+A5RXO4-B5RXO4+H8VSS16

F11AVDD_LVDS_2B4RXE0-A4RXE0+C4RXE1-C3RXE1+A3RXE2-B3RXE2+B2RXECK-A2RXECK+C2RXE3-C1RXE3+A1RXE4-B1RXE4+

VSS11J7

VSS3

K9

MEMC_RXE0+

MEMC_RXE0-

C913

10uF

C91710uF

C91410uF

C91610uF

10V

C908

10uF10V

C90922uF

16V

C91222uF

16V

IC902

W25X20AVSNIG

3WP

2DO

4GND

1CS

5DIO

6CLK

7HOLD

8VCC

+3.3V_MEMC

R992

100

R993

100

+3.3V_MEMC_AVDD

+3.3V_MEMC

+3.3V_MEMC

+3.3V_MEMC

X900

12MHz

L907

CB3216PA501E

PWM_DIM

OPC_EN

OPC_OUT1

C907

10uF

OPC_OUT2

LVDS_SEL

+1.26V_MEMC

WP_FLASH_MEMC

C902

15pF

C900

15pF

R934

1M

R931

100

R939

100

+3.3V_MEMC_AVDD

WP_FLASH_MEMC

C951

220uF

16V

R941

1K

OPT

R956

1K

R940

1K

OPT

+3.3V_MEMC

R957

1K

MEMC_SDA

001:F38;001:AE31

MEMC_SCL

001:F38;001:AE31

P902

12507WR-04L

1 2 3 4

5

R953

0

R933

0OPT

R9790

R9730

OPT

R9710

OPT

R9370

OPT

R955

22

OPT

R967

22

OPT

R9784.7K

OPT

R9704.7K

OPT R9724.7K

OPT

C903

0.1uF

C9560.1uF

C904

0.1uF

C953

0.1uF

C918

0.1uF

C935

0.1uF

C932

0.1uF

C938

0.1uF

C950

0.1uF

C941

0.1uF

C934

0.1uF

C919

0.1uF

C949

0.1uF

C947

0.1uF

C920

0.1uF

C937

0.1uF

C944

0.1uF

C923

0.1uF

C929

0.1uF

C928

0.1uF

C925

0.1uF

C936

0.1uF

C927

0.1uF

C939

0.1uF

C9450.1uF

C926

0.1uF

C933

0.1uF

C922

0.1uF

C921

0.1uF

C952

1000pF

R927

10K

R951

10K

R952

10K

R994

10K

R960

1K

OPT

R959

1K

R964

1K

OPT

R963

1K

R949

1K

R950

1K

OPT

C9241uF

C906

1uF

R925

56

R947

56

R948

56

R926

56

P900

TF05-51S

1 2 3 4 5 6 7 8 9 10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

P901

TF05-41S

1 2 3 4 5 6 7 8 9 10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

C957

0.1uF

OPT

C958

0.1uF

OPT

C959

0.1uF

OPT

L908

BLM18PG121SN1D

SCANNING BLU

L909

BLM18PG121SN1D

L910

BLM18PG121SN1D

L911

BLM18PG121SN1D

C960

0.1uF

OPT

C961

0.1uF

OPT

C962

0.1uF

OPT

C963

0.1uF

OPT

C964

0.1uF

OPT

L903

BLM18PG121SN1D

C901

10uF10V

C905

10uF

10V

SPI FLASH

XTAL

MST7329N(FRC)

12

9

EAX57644501

GPIO8

HIGH

HIGH

I2C

EEPROM

SPI

LOW

HIGH

HIGH

HIGH

HIGH

HIGH

LOW

PWM1

PWM0

2008.12.12

Placed on SMD-TOP

Placed on SMD-TOP

GPIO12

LOW

GPIO14

VENUS (MST7329N)

HIGH

URSAII MINI LVDS TYPE

LOW

URSAII LVDS TYPE

LOW

M+S NORMAL 42"(MST7327N)

LOW

HIGH

URSAII MINI LVDS TYPE

ISP Port for FRC

HIGH

HIGH

URSAII MINI LVDS TYPE

M+S GIP 37"(MST7327N)

M+S NORMAL 47"(MST7327N)

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 25: Lg Lcd Tv Ch.ld91b 42lh5000

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ECIA

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ATUR

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FOR

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FROM

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TION

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RES

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FIED

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THE

SYMB

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OF T

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CHEM

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.

DDR_DQ[16-31]

DDR_DQ[16]

DDR_DQ[17]

DDR_DQ[18]

DDR_DQ[19]

DDR_DQ[20]

DDR_DQ[21]

DDR_DQ[22]

DDR_DQ[23]

DDR_DQ[24]

DDR_DQ[25]

DDR_DQ[26]

DDR_DQ[27]

DDR_DQ[28]

DDR_DQ[29]

DDR_DQ[30]

DDR_DQ[31]

DDR_DQ[27]

DDR_DQ[28]

DDR_DQ[25]

DDR_DQ[30]

DDR_DQ[22]

DDR_DQ[17]

DDR_DQ[19]

DDR_DQ[20]

DDR_DQ[31]

DDR_DQ[24]

DDR_DQ[26]

DDR_DQ[29]

DDR_DQ[23]

DDR_DQ[16]

DDR_DQ[18]

DDR_DQ[21]

DDRB_A[0-12]

DDRB_A[0]

DDRB_A[1]

DDRB_A[2]

DDRB_A[3]

DDRB_A[4]

DDRB_A[5]

DDRB_A[6]

DDRB_A[7]

DDRB_A[8]

DDRB_A[9]

DDRB_A[10]

DDRB_A[11]

DDRB_A[12]

DDRB_A[10]

DDRB_A[1]

DDRB_A[9]

DDRB_A[12]

DDRB_A[7]

DDRB_A[5]

DDRB_A[0]

DDRB_A[2]

DDRB_A[4]

DDRB_A[6]

URSA_DQ[27]

URSA_DQ[28]

URSA_DQ[25]

URSA_DQ[30]

URSA_DQ[22]

URSA_DQ[17]

URSA_DQ[19]

URSA_DQ[20]

URSA_DQ[31]

URSA_DQ[24]

URSA_DQ[26]

URSA_DQ[29]

URSA_DQ[23]

URSA_DQ[16]

URSA_DQ[18]

URSA_DQ[21]

URSA_A[10]

URSA_A[1]

URSA_A[9]

URSA_A[12]

URSA_A[7]

URSA_A[5]

URSA_A[0]

URSA_A[2]

URSA_A[4]

URSA_A[6]

DDRA_A[2]

URSA_DQ[4]

DDR_DQ[11]

DDRA_A[1]

URSA_DQ[6]

DDR_DQ[10]

DDRA_A[0]

DDR_DQ[9]

DDR_DQ[8]

DDR_DQ[7]

URSA_DQ[14]

URSA_DQ[2]

DDR_DQ[6]

URSA_DQ[9]

DDR_DQ[5]

URSA_DQ[0]

DDR_DQ[4]

URSA_DQ[7]

DDRA_A[0-12]

DDRA_A[4]

DDR_DQ[3]

DDR_DQ[4]

DDRA_A[6]

DDR_DQ[2]

URSA_DQ[12]

URSA_DQ[11]

DDR_DQ[3]

DDRA_A[0]

DDR_DQ[1]

DDRA_A[2]

DDR_DQ[1]

DDR_DQ[0]

DDRA_A[5]

DDR_DQ[6]

DDRA_A[7]

DDR_DQ[14]

URSA_DQ[5]

URSA_DQ[15]

DDRA_A[12]

DDR_DQ[9]

DDRA_A[9]

DDR_DQ[12]

DDR_DQ[11]

DDRA_A[10]

DDR_DQ[5]

DDRA_A[1]

DDR_DQ[2]

DDR_DQ[0]

DDRA_A[12]

DDR_DQ[0-15]

URSA_DQ[3]

DDR_DQ[7]

DDRA_A[11]

DDR_DQ[13]

DDRA_A[10]

URSA_DQ[10]

DDR_DQ[10]

DDRA_A[9]

URSA_DQ[8]

DDR_DQ[8]

DDRA_A[8]

DDR_DQ[15]

DDRA_A[7]

DDR_DQ[15]

DDRA_A[6]

URSA_DQ[13]

DDRA_A[5]

DDR_DQ[14]

DDRA_A[4]

DDR_DQ[13]

DDRA_A[3]

URSA_DQ[1]

DDR_DQ[12]

DDRA_A[3]

URSA_A[3]

URSA_A[1]

URSA_A[10]

URSA_A[9]

URSA_A[12]

URSA_A[7]

URSA_A[5]

URSA_A[2]

URSA_A[0]

URSA_A[6]

URSA_A[4]

DDRB_A[11]

DDRB_A[8]

DDRA_A[8]

DDRA_A[11]

URSA_A[11]

URSA_A[8]

URSA_A[8]

URSA_A[11]

URSA_A[3]

DDRB_A[3]

AR1000

56

AR1002

56

AR1001

56

AR1003

56

AR1013

22

AR1014

22

AR1015

22

URSA_DQ[0-31]

010:AL20;009:AB4

R1000

150

OPT

AR1006

56

AR1005

56

AR1007

56

AR1010

22

AR1004

56

AR1011

22

AR1012

22

R1039

150

OPT

UR

SA

_DQ

[0-3

1]01

0:E

20;0

09:A

B4

URSA_A[0-12]

+1.8V_FRC_DDR

+1.8V_FRC_DDR

+1.8V_FRC_DDR

+1.8V_FRC_DDR

+1.8V_FRC_DDR

+1.8V_FRC_DDR

+1.8V_FRC_DDR

+1.8V_FRC_DDR

+1.8V_FRC_DDR

+1.8V_FRC_DDR

R1025

22

R1027

22

R1008

22

R1024

22

R1005

22

R1006

22

R1033

56

R1034

56

R1032

56

R1014

56

R1031

56

R1015

56

R1012

56

R1035

56

R1016

56

R1036

56

R1017

56

R1013

56

C1023

10uF

C1028

10uF

C1002

10uF

AR1016

22

AR1017

22

URSA_MCLKZ

009:J10

URSA_BA1

010:T9;009:R4

URSA_WEZ

010:T8;009:R4

URSA_RASZ

URSA_DQM3

009:J15

URSA_MCLKE

010:T9;009:T4

URSA_DQSB3

009:J13

URSA_ODT

010:Y14;009:J10URSA_CASZ

URSA_DQM2

009:J15

B_URSA_BA0

URSA_BA0

010:T9;009:S4

URSA_DQS2

009:J14

B_URSA_BA1

URSA_MCLK

009:J11

URSA_DQS3

009:J13

URSA_DQSB2

009:J14

B_URSA_MCLKE

010:T10

B_URSA_WEZ

010:T10

B_URSA_BA1

B_URSA_BA0

B_URSA_WEZ

010:Q13

B_URSA_MCLKE

010:Q14

B_URSA_RASZ

010:R16

B_URSA_CASZ

010:R16

B_URSA_RASZ

B_URSA_CASZ

AR1018

22

AR1019

22

A_URSA_BA1

010:AA15

A_URSA_BA0

010:AA15

A_URSA_MCLKE

010:Z14

A_URSA_WEZ

010:Y13

URSA_BA0

010:V10;009:S4

URSA_BA1

010:V10;009:R4

URSA_WEZ

010:V10;009:R4

URSA_MCLKE

010:V10;009:T4

A_URSA_RASZ

A_URSA_CASZ

URSA_RASZ

URSA_CASZ

A_URSA_MCLKE

010:V9

URSA_MCLKZ1

009:AB4

URSA_DQS0

009:X4

A_URSA_CASZ

010:X16

URSA_DQSB0

009:X4

URSA_DQM1

009:W4

A_URSA_BA1

A_URSA_BA0

A_URSA_RASZ

010:X16

URSA_MCLK1

009:AB4

A_URSA_WEZ

010:V8

URSA_ODT

010:Q14;009:J10

URSA_DQS1

009:Y4

URSA_DQM0

009:X4

URSA_DQSB1

009:Y4

C1001

10uF10V

C1022

10uF10V

IC1000

HYB18TC256160BF-2.5

J2

VREF

J8

CK

H2

VSSQ_2

B7

UDQS

N8

A4

P8

A8

L1

NC_4

L2

BA0

R8

NC_3

K7

RAS

F8

VSSQ_3

F3

LDM

P3

A9

M3

A1

N3

A5

K8

CK

R3

NC_5

L3

BA1

J7

VSSDL

L7

CAS

F2

VSSQ_4

B3

UDM

M2

A10/AP

K2

CKE

R7

NC_6

M7

A2

N7

A6

M8

A0

J1

VDDL

K3

WE

E8

LDQS

P7

A11

K9

ODT

A2

NC_1

N2

A3

P2

A7

H8

VSSQ_1

F7

LDQS

A8

UDQS

R2

A12

L8

CS

E2

NC_2

E7

VSSQ_5

D8

VSSQ_6

D2

VSSQ_7

A7

VSSQ_8

B8

VSSQ_9

B2

VSSQ_10

P9

VSS_1

N1

VSS_2

J3

VSS_3

E3

VSS_4

A3

VSS_5

G9

VDDQ_1

G7

VDDQ_2

G3

VDDQ_3

G1

VDDQ_4

E9

VDDQ_5

C9

VDDQ_6

C7

VDDQ_7

C3

VDDQ_8

C1

VDDQ_9

A9

VDDQ_10

R1

VDD_1

M9

VDD_2

J9

VDD_3

E1

VDD_4

A1

VDD_5

B9

DQ15

B1

DQ14

D9

DQ13

D1

DQ12

D3

DQ11

D7

DQ10

C2

DQ9

C8

DQ8

F9

DQ7

F1

DQ6

H9

DQ5

H1

DQ4

H3

DQ3

H7

DQ2

G2

DQ1

G8

DQ0

IC1001

HYB18TC256160BF-2.5

J2

VREF

J8

CK

H2

VSSQ_2

B7

UDQS

N8

A4

P8

A8

L1

NC_4

L2

BA0

R8

NC_3

K7

RAS

F8

VSSQ_3

F3

LDM

P3

A9

M3

A1

N3

A5

K8

CK

R3

NC_5

L3

BA1

J7

VSSDL

L7

CAS

F2

VSSQ_4

B3

UDM

M2

A10/AP

K2

CKE

R7

NC_6

M7

A2

N7

A6

M8

A0

J1

VDDL

K3

WE

E8

LDQS

P7

A11

K9

ODT

A2

NC_1

N2

A3

P2

A7

H8

VSSQ_1

F7

LDQS

A8

UDQS

R2

A12

L8

CS

E2

NC_2

E7

VSSQ_5

D8

VSSQ_6

D2

VSSQ_7

A7

VSSQ_8

B8

VSSQ_9

B2

VSSQ_10

P9

VSS_1

N1

VSS_2

J3

VSS_3

E3

VSS_4

A3

VSS_5

G9

VDDQ_1

G7

VDDQ_2

G3

VDDQ_3

G1

VDDQ_4

E9

VDDQ_5

C9

VDDQ_6

C7

VDDQ_7

C3

VDDQ_8

C1

VDDQ_9

A9

VDDQ_10

R1

VDD_1

M9

VDD_2

J9

VDD_3

E1

VDD_4

A1

VDD_5

B9

DQ15

B1

DQ14

D9

DQ13

D1

DQ12

D3

DQ11

D7

DQ10

C2

DQ9

C8

DQ8

F9

DQ7

F1

DQ6

H9

DQ5

H1

DQ4

H3

DQ3

H7

DQ2

G2

DQ1

G8

DQ0

R1002

1K1%

R1038

1K1%

R1001

1K1%

R1037

1K1%

C1020

0.1uF

C1016

0.1uF

C1007

0.1uF

C1015

0.1uF

C1009

0.1uF

C1018

0.1uF

C1004

0.1uF

C1025

0.1uF

C1026

0.1uF

C1012

0.1uF

C1027

0.1uF

C1005

0.1uF

C1019

0.1uF

C1011

0.1uF

C1003

0.1uF

C1006

0.1uF

C1017

0.1uF

C1024

0.1uF

C1014

0.1uF

C1013

0.1uF

C1039

0.1uF

C1038

0.1uF

C1029

0.1uF

C1041

0.1uF

C1037

0.1uF

C1031

0.1uF

C1040

0.1uF

C1034

0.1uF

C1033

0.1uF

C1036

0.1uF

C1035

0.1uF

C1030

0.1uF

C1010

0.1uF

DDR2 1.8V By CAP - Place these Caps near Memory

MST7327N DDR2

10

12

EAX57644501

2008.12.12

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 26: Lg Lcd Tv Ch.ld91b 42lh5000

THE

S

YMBO

L MA

RK O

F TH

IS S

CHEM

ETIC

DIA

GRAM

INC

ORPO

RATE

SSP

ECIA

L FE

ATUR

ES I

MPOR

TANT

FOR

PRO

TECT

ION

FROM

X-R

ADIA

TION

.FI

LRE

AND

ELEC

TRIC

AL S

HOCK

HAZ

ARDS

, WH

EN S

ERVI

CING

IF

IS

ESSE

NTIA

L TH

AT O

NLY

MANU

FATU

RES

SPEC

FIED

PAR

TS B

E US

ED F

ORTH

E CR

ITIC

AL C

OMPO

NENT

S IN

THE

SYMB

OL M

ARK

OF T

HE S

CHEM

ETIC

.

GND

C1103

330pF

50V

SCART1_DET

C1124

330pF

50V

SC2_ID

SC1_G

SC1_CVBS_IN

SC1_R_IN

2:S14

C1123

330pF

50V

SC1_ID

2:E16

REC_8

SC1_B

SC1_L_IN

C1108

220pF

50V

OPT

SC2_L_IN

SC2_R_IN

SC1_FB

C1107

100uF

16V

SC2_CVBS_IN

C1125

220pF

50V

OPT

C1102

330pF

50V

SC1_R

SCART2_DET

C1122

100uF

16V

+3.3V

+3.3V

SC_RE1

1:AJ19

REC_8

AI8

Q1116

2SC3052

E

B

C

SC_RE2

1:AJ19

+12V

Q1117

2SC3052

E

B

C

Q1118

2SC3052

E

B

C

C1109

47uF

16V

Q1111

2SC3052

E

B

C

+12V

DTV/MNT_VOUT

R1188

51K

OPT

R1123

11K

D1101

30V

OPT

D1102

30V

OPT

D1103

30V

OPT

D1104

30V

OPT

D1106

30V

OPT

D1109

30V

OPT

D1111

30V

OPT

D1112

30V

OPT

D1115

30V

OPT

D1118

30V

OPT

D1100

5.6V

OPT

D1105

5.6V

OPT

D1107

5.6V

OPTD1108

5.6V

OPT

D1113

5.6V

OPT

D1114

5.6V

OPT

D1116

5.6V

OPT

D1117

5.6V

OPT

R1118

62K

L1100

120-ohm

L1101

120-ohm

L1105

120-ohm

L1106

120-ohm

L1109

BLM18PG121SN1D

Q1109

ISA1530AC1

out_of_stockE

B

C

C1141

0.1uF

50V

C1139

0.1uF

50V

C1104

10uF

35V

Q1120

2SC3052

E

B

C

L1104

BLM18PG121SN1D+12V

C1144

0.1uF

50V

FE_VSCART_OUT

C1142

47uF

16V

C1145

0.1uF

50V

Q1119

ISA1530AC1

out_of_stockE

B

C

SCART1_Rout

DTV/MNT_L_OUT

SCART2_Lout

DTV/MNT_R_OUT

+12V

IC1103

LM324D

33

22

44

11

66

55

77

88

99

10

10

11

11

12

12

13

13

14

14

TV_L_OUT

SCART2_Rout

SCART1_Lout

TV_R_OUT

TV_L_OUT

2SC3052

Q1129

DTV/MNT_R_OUT

Q1131

RT1P141C-T112

1

2

3

2SC3052

Q1128

DTV/MNT_L_OUT

2SC3052

Q1127

Q1130

RT1P141C-T112

1

2

3

2SC3052

Q1126

TV_R_OUT

TV_L_OUT

002:P7

TV_R_OUT

002:P7

DTV/MNT_R_OUT

DTV/MNT_L_OUT

R1179

680

OPT

C1126

0.1uF

50V

R1185

0R1187

0

R1182

0

0R1117

R1105

0

0R1133

R1134

0

C1105

0.1uF

16V

C1113

0.1uF

16V

C1132

0.1uF

C1131

0.1uF

R114710K

R1108

10K

R1121

10K

R1128

10K

R115410K

R115310K

R1110

10K

R1178

10K

R114810K

R112712K

R1111

12KR1112

12K

R112912K

R1186

12K

R1167

15K

R1175

15K

R1184

15K

R1181

1K

R1180

1K

R1126

1K

R1159

1K

R1196

2.2K

R1191

2.2K

R1190

2.2K

R1197

2.2K

R1114

22

R1150

2K

R1151

2K

R1149

2K R1152

2K

R1176

2K

OPT

R1146

33K

R1155

33K

R1156

33K

R1145

33K

C1129

33pF

R113033pF

C1128

33pF

C1127

33pF

R11224.7K

R1124

4.7K

R1162

470

R1140

470

R1192470K

OPT

R1195470K

OPT

R1103

470K

R1115

470K

R1116

470K

R1100

470K

R1194470K

OPT

R1193470K

OPT

R1166

47K

R1174

47K

C1119

47pF

50V

C1106

47pF

50V

R1158

5.6K

R1157

5.6K

R1144

5.6K

R1143

5.6K

R1177

560

OPT

R1139

75

R1109

75

R1106

75

R1104

75

R1102

75

R1101

75

R1137

75

C1120

OPT

C1101

OPT

C1121

OPT

C1100

OPT

JK1101

1R_OUT

2R_IN

3L_OUT

4GND

5GND

6L_IN

7.

8SC2_ID

9.

10

.

11

11

12

12

13

13

14

14

15

15

16

16

17

17

18

18

19

19

20

20

21

21

23

23 22

22

JK1100

1R_OUT

2R_IN

3L_OUT

4GND

5GND

6LIN

7B

8SC_ID

9.

10

.

11

11

12

12

13

13

14

14

15

15

16

16

17

17

18

18

19

19

20

20

21

21

23

23 22

22

R1136

75

R1107

75

R1131

390

R1113

390

R1161

120

R1138

120

C1134

10uF

16V

C1133

10uF

16V

C1135

10uF

16V

C1136

10uF

16V

L1107

BLM18PG121SN1D

L1108

BLM18PG121SN1D

L1102

BLM18PG121SN1D

L1103

BLM18PG121SN1D

C1110

1000pF

50V

C1114

1000pF

50V

C1112

1000pF

50V

C1111

1000pF

50V

R1125

62K

R1132

11K

+5V_ST

C1315

1000pF

50V

R1317

100

ZD1303

5.6V

AMOTECH

SDA_SUB/AMP

C1305

0.1uF

R1302

10K IR-OUT

ZD1304

5.6V

AMOTECH

Q1301

2SC3052

IR-OUT

E

BC

C1314

0.1uF

16V

R1323

100

L1314

BLM18PG121SN1D

R1300

22 IR-OUT

L1303

BLM18PG121SN1D

Q1300

2SC3052

IR-OUT

EB

C

ZD1301

5.6V

CDS3C05HDMI1

C1310

0.1uF

16V

L1313

BLM18PG121SN1D

R1319

4.7K

IR_OUT

IR

+5V_ST

P1304

12507WS-12L

1SCL

2SDA

3GND

4KEY1

5KEY2

65V_ST

7GND

8WARM_ST

9IR

10

GND

11

3.3V

12

PWR_ON

13

ZD1300

5.6V

CDS3C05HDMI1

SCL_SUB/AMP

R1301

10K

IR-OUT

R1322

100

KEY1

L1301

BLM18PG121SN1D

R1320

4.7K

C1309

100pF

50V

R1303

10K

IR-OUT

R1304

47K IR-OUT

C1307

0.1uF

LED_ON

+3.3V

R1325

100

+5V_ST

R1321

100

ZD1302

5.6V

AMOTECH

KEY2

R1305

100

R1318

100

+3.3V_ST

C1311

1000pF

50V

WARM_LED_ON

R1164

0 R1163

0

R1135

0 R1160

0

R1119

10K

SCART2_MUTE

D1120

ENKMC2838-T112

A1

C

A2

D1119

ENKMC2838-T112

A1

C

A2

SCART1_MUTE

+3.3V

SB_MUTE

+3.3V_ST

R1141

10K

SB_MUTE

R1120

10K

D1110

5.6V

OPT

C1115

4700pF

C1118

4700pF

C1117

4700pF

C1116

4700pF

C1143

10uF

35V

11 12

SCART

[SCART2 PIN 8]

2008.12.12

EAX52884001

close to wafer

CONTROL

IR & LED

Zener Diode is

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 27: Lg Lcd Tv Ch.ld91b 42lh5000

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES

SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.

FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS

ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR

THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

FE_TS_DATA[5]

FE_TS_DATA[6]

FE_TS_DATA[1]

FE_TS_DATA[0]

FE_TS_DATA[3]

FE_TS_CLK

FE_TS_DATA[2]

FE_TS_DATA[4]

FE_TS_SYN

FE_TS_DATA[7]

FE_TS_VAL

+5V_GENERAL

+3.3V_TUNER

+5V_GENERAL

FE_BOOSTER_CTL

/FE_RESET

FE_TS_DATA[0-7],FE_TS_CLK,FE_TS_VAL,FE_TS_SYN

FE_DEMOD_SDA

+1.2V_TUNER

Q1200

2SC3052

E

B

C

FE_AGC_SPEED_CTL

FE_TS_ERR

Q1203

2SC3052

E

B

C

+3.3V_TUNER

FE_TUNER_SDA

FE_SIF

+5V_GENERAL

FE_DEMOD_SCL

FE_TUNER_SCL

FE_TS_VAL

IC1201

NL17SZ08DFT2G

32

4

15

FE_TS_ERR

+3.3V_TUNER

FE_TS_VAL_ERR

GND

FE_TS_VAL

FE_VMAIN

+5V_GENERAL

L1202

MLB-201209-0120P-N2

L1201

MLB-201209-0120P-N2

L1204

MLB-201209-0120P-N2

C1212

47uF

16V

R1238

0

R1241

200

R1240

200

R1239

1K

OPT

R1205

0

R1208

47

R1207

47

C1205

47pF

50V

C1206

47pF

50V

C1220

0.1uF

16V

C1215

0.1uF

16V

Q1201

ISA1530AC1

E

B

C

Q1205

ISA1530AC1

E

B

C

Q1202

ISA1530AC1

E

B

C

C1209

68uF

10V

R1223

0

C1222

0.01uF

25V

C1208

0.1uF

16V

OPT

C1210

0.1uF

16V

C1219

0.1uF

16V

C1214

0.1uF

16V

C1227

0.1uF

16V

C12000.1uF16V

C1221

0.1uF

16V

R1229

10

R1224

100

R1225

100K

C1216

100pF

50V

C1207

100pF

50V

R1209

10K

R1231

10K

R1232

10K

R1230

2.2K

R1222

33

R1221

33

R1226

4.7K

R121347

R121847

R121147

R121047

R121947

R121647

R122047

R121747

R121447

R121247

R121547

R1245

47

R1227

470

C1217

47pF

50V

C1218

47pF

50V

R1228

82

TU1200

TDFW-G235D

TUNER

1ANT[5V]

2BB[CTR]

3GND_1

4+B[5V]

5NC_1

6RF_AGC

7TP[VT]

8NC_2

9GND_2

10

SDA_T

11

SCL_T

12

AIF_1

13

NC_3

14

GND

15

VIDEO

16

NC_4

17

SIF

18

SDA

19

SCL

20

RST

21

3.3V

22

1.2V

23

ERR

24

MCL

25

D7

26

D6

27

D5

28

D4

29

D3

30

D2

31

D1

35

SHIELD

32

D0

33

VAL

34

SYNC

Tuner PLL : 0xC2Analog Tuner : 0x86

Digital Tuner : 0x1E

12

12

TU

NE

R

OPTION : RF AGC

USE ONLY FOR SECAM

DVB-CI DETECT

DVB-T/C : 1.2V(MICRONAS demod)DVB-T : 1.8V(INTEL demod)

2008

.12.

12E

AX

57

64

45

01

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

Page 28: Lg Lcd Tv Ch.ld91b 42lh5000