dell tft-lcd color monitor e173fp service manual

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DELL E173FP Service Manual

SERVICE MANUAL17 LCD MonitorDELL E173FP

THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RE LIABILITY FOR CHANGES, ERRORS OR OMISSIONS. Prepared By: WuHaiyan Checked By: Sushi Manufacture Date: May-29-04

1

DELL E173FP Service Manual

Table of ContentsTable of Contents -----------------------------------------------------------------------------------------------2 -----------------------------------------------------------------------------4

1. MONITOR SPECIFICATIONS

2. LCD MONITOR DESCRIPTION -----------------------------------------------------------------------------5 3. OPERATING INSTRUCTIONS 3.1 GENERAL INSTRUCTIONS --------------------------------------------------------------------------6 ----------------------------------------------------------------------------6

3.2 CONTROL BUTTONS ----------------------------------------------------------------------------------------6 3.3 ADJUSTING THE PICTURE ----------------------------------------------------------------------------7

4. Input/Output Specification--------------------------------------------------------------------------------------10 4.1 Input Signal Connector ----------------------------------------------------------------------------------------10 4.1.1 Analog D-SUB Connector ----------------------------------------------------------------------------------10 4.2 Factory Preset Display Modes 4.3 Power Supply Requirements 4.3.1 Input Requirements ----------------------------------------------------------------------------10 ----------------------------------------------------------------------------11

--------------------------------------------------------------------------------------11

4.3.2 Output Requirements----------------------------------------------------------------------------------------11 4.4 PANEL SPECIFICATION -------------------------------------------------------------------------------------11 4.4.1 Panel Feature ----------------------------------------------------------------------------------------------11 ----------------------------------------------------------------------------------11 --------------------------------------------------------------------------------12

4.4.2 Display Characteristics 4.4.3 Optical Characteristics

4.4.4 Parameter guide line for CCFL Inverter --------------------------------------------------------------12 5. Block Diagram ----------------------------------------------------------------------------------------------------13 5.1 Monitor Exploded View ----------------------------------------------------------------------------------------13 5.2 Software Flow Chart ----------------------------------------------------------------------------------------14 --------------------------------------------------------------------------------16

5.3 Electrical Block Diagram

5.3.1 Main Board ----------------------------------------------------------------------------------------------------16 5.3.2 Inverter/Power Board ----------------------------------------------------------------------------------------17 6. Schematic ----------------------------------------------------------------------------------------------------------18 6.1 Main Board --------------------------------------------------------------------------------------------------18 --------------------------------------------------------------------------------------23 2

6.2 Inverter/Power Board

DELL E173FP Service Manual

7. PCB Layout 7.1 Main Board

----------------------------------------------------------------------------------------------------25 --------------------------------------------------------------------------------------------------25 --------------------------------------------------------------------------------------26

7.2 Inverter/Power Board

7.3 Keypad Board----------------------------------------------------------------------------------------------------28 8. Maintainability -----------------------------------------------------------------------------------------------------29 8.1 Equipments and Tools Requirements ---------------------------------------------------------------------29 8.2 Trouble Shooting -----------------------------------------------------------------------------------------------30 8.2.1 Main Board ----------------------------------------------------------------------------------------------------30 8.2.2 Power/Inverter Board ---------------------------------------------------------------------------------------33 8.2.3 Key Pad Board ------------------------------------------------------------------------------------------------35 9. White-Balance, Luminance adjustment ---------------------------------------------------------------------36 10. EDIT Content ----------------------------------------------------------------------------------------------38

11. ISP User Manual-------------------------------------------------------------------------------------------------39 11.1. Connect ISP Writer preparation action-------------------------------------------------------------------39 11.2. To Use ISP WRITER-----------------------------------------------------------------------------------------39 11.3. Executing ISP--------------------------------------------------------------------------------------------------43 12. BOM List ----------------------------------------------------------------------------------------------------------44

3

DELL E173FP Service Manual

1. MONITOR SPECIFICATIONSDriving system LCD Panel Size Pixel pitch Viewable angle Response time (typ.) Video Input Sync. Type H-Frequency V-Frequency Display Colors Dot Clock Max. Resolution Plug & Play Power Consumption ON Mode TFT Color LCD 43cm(17.0") 0.264mm(H) x 0.264mm(V) 140 (H) 120 (V) 16 ms Analog Only H/V TTL Separate and Composite Sync. 30kHz 80kHz 56-75Hz Over 16.2 million Colors 135MHz 1280 x 1024 VESA DDC2BTM HCLK(ZAN3SL)

Title

ZAN3 SL & MCUSize C Date: Document Number Rev Sheet 2 of 5

Zan3 SL MAIN BOARDFriday , February 13, 2004

C

19

DELL E173FP Service Manual+5V +5V +5V

8 7 6 5

RP103 4.7K 1/16W R155 LED_O 1 4.7K 1/16W 2 3

2 LED_G

R154 LED_G 4.7K 1/16W

1

3 Q101 PMBS3904 2

2 LED_O

Q102 PMBS3904 LED_GREEN 8 7 6 5 4 3 2 1 CN101

1 2 3 4

LED_ORANGE 2 KEY _MENU 2 KEY _RIGHT 2 KEY _LEFT 2 KEY _ONOFF KEY _MENU KEY _RIGHT KEY _LEFT KEY _ONOFF R157 R158 R159 R160 220 1/16W 220 1/16W 220 1/16W 220 1/16W ENTER RIGHT LEFT POWER

To k e yboard

C154

C156

C155

0.001uF 0.001uF 0.001uF

C157 0.001uF

GND C152 0.001uF GND C153 0.001uF GND

CONN

GND

GND

GND

GND

Title

KEYS CONNECTIONSize A Date: Document Number Rev Sheet 3 of 5

Zan3 SL MAIN BOARDFriday , February 13, 2004

C

20

DELL E173FP Service Manual2 LVDS_O[0..9] LVDS_O0 LVDS_O1 LVDS_O2 LVDS_O3 LVDS_O4 LVDS_O5 LVDS_O6 LVDS_O7 LVDS_O8 LVDS_O9 CN103 LVDS_O0 LVDS_O2 LVDS_O4 LVDS_O6 LVDS_O8 LVDS_E0 LVDS_E2 LVDS_E4 LVDS_E6 LVDS_E8 RXO0RXO1RXO2RXOCRXO3RXE0RXE1RXE2RXECRXE31 3 5 7 9 11 13 15 17 19 21 23 CONN24A 2 4 6 8 10 12 14 16 18 20 22 24 RXO0+ RXO1+ RXO2+ RXOC+ RXO3+ RXE0+ RXE1+ RXE2+ RXEC+ RXE3+ LVDS_O1 LVDS_O3 LVDS_O5 LVDS_O7 LVDS_O9 LVDS_E1 LVDS_E3 LVDS_E5 LVDS_E7 LVDS_E9

2

LVDS_E[0..9] LVDS_E0 LVDS_E1 LVDS_E2 LVDS_E3 LVDS_E4 LVDS_E5 LVDS_E6 LVDS_E7 LVDS_E8 LVDS_E9 GND + C158 100uF/16V

+VLCD

15.4mA

GND C159 0.1uF/16V

R172

330 1/8W

FOR LAYOUT 100uF/16VGND

Title

PANEL INTERFACESize A Date: Document Number Rev Sheet 4 of 5

Zan3 SL MAIN BOARDFriday , February 13, 2004

C

21

DELL E173FP Service ManualCN104 1 2 3 4 5 6 BLON/OFF DIMMING R162 4.7K 1/16W +5V 2 PBIAS

+5V FB105 120 OHM

+3.3V_VDD

C163 GND 0.1uF/16V +5V GND R164 1K 1/16W R165 C162 100uF/16V + C164 0.1uF/16V D113 NC 47uF/16V GND GND GND GND + C165 C167 0.1uF/16V

CONN

U105 AIC1084-33M 3 VIN VOUT 1 ADJ

TO263

2

147m A

C168 0.1uF/16V

C166 47uF/16V

+

2

BRIGHTNESS

GND

GND

Brightness

1K 1/16W C169 2.2uF +

GND +5V +VLCD +5V +3.3V_VDD

R167 NC

R168 4.7K 1/16W

SOT-223U106 3 C173 0.1uF/16V VI GND VO 2

+1.8V_VDD

3 1Q104 AO3401 R169 0 1/16W R170 NC

204m A

R171 100K 1/16W 2 PPWR C175

3

1

Q105 PMBS3904 + 2

2C172 22uF/16V

C171 47uF/16V

+

C174 0.1uF/16V

0.8A-m axGND GND

0.1uF/16V

GND

GND

GND

3D 1 G AO3401 2 S

GND

Title

POWERSize A Date: Document Number Rev

1

Zan3 SL MAIN BOARDFriday , February 13, 2004 Sheet 5 of 5

C

22

DELL E173FP Service Manual

6.2 Internal Power BoardC0N102

12 11 10 9 8 7 6 5 4 3 2 133A8009-12G-H

GND GND 5V 5V GND GND 12V 12V DIM GND ON/OFF GND

5V

12V DIM ON/OFF GND T901 D910 1 O DB901 2KBP06M 3 + C904 120uF/400V R907 1M 1/4W R906 1M 1/4W R904 1M 1/4W C905 0.0015uF/2KV R903 100K 2W D901 R905 1M 1/4W UF4007 3 7,8 D911 10A/100V + C923 1000uF/16V 10,11 + C925 470uF/16V C931 1000P/50V C927 0.1uF O 7,8 L903 + C922 1000uF/16V R921 47 1/2W C921 0.001uF/500V + 12V R920 47 1/2W C920 0.001uF/500V

4

9

20A/100V C924 470uF/16V C930 1000P/50V ZD904 SML473

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