service manual cpdp-350 500

Service Training

Revised July/24/00

ADVANCED WELDING SYSTEMS

Turbo Pulse 350 / 500 DF

CPVDP-350

(P6934) 460V model

(P6972) 230V model

CPDP-500

(P6920) 460V model

(P6973) 230V model

5311 W.T. Harris Blvd. West, Charlotte, N.C. 28269

Telephone: (704) 597-8240 Fax: (704) 333-9790

1 Setup:

Voltage: Units are singe voltage rated only

*208/230 VAC, Model460 VAC, Model

CPDP 350 DFP6972P6934

CPDP 500 DFP6973P6920

*208/230V require a slide switch change located on PCB P6972Q00

Wire Feeders:

RollsMetalCoolingTachogenerator

CMH 2312SteelAirNo

CMWH-2312SteelWaterNo

CMH 1474AluminumAirNo

CMWH-1474AluminumWaterNo

CMH 1454AluminumAirYes

CMWH-1454AluminumWaterYes

Note: Water-cooled is recommend for use with CPDP 500 DF due to heat with the higher current.

Welding Guns:

MetalCoolingCPDP 350 DFCPDP 500 DF

WTCMU-3503SteelAirRecommendedApplicable

WTCMUA-2501AluminumAirRecommendedApplicable

WTCSW-5002SteelWaterApplicableRecommended

WTCAW-5002AluminumWaterApplicableRecommended

Extension Cables:

15 FT33 FT50 FT66 FT

Remote ControlBMCPJ-0605BMCPJ-0610BMCPJ-0615BMCPJ-0620

Wire FeederBMCPJ-0705BMCPJ-0710BMCPJ-0715BMCPJ-0720

2 Input Protection:

FusePart #AmpsFunction

F1, F34610-03075Power Supply

F24610-00410Power Supply Bd.

F44612-0063T2 and MS1 (Contactor)

F54612-0063T3, PC Boards. and Fan

3 Power Capacitors Voltage:

The power capacitors (C2-C4) voltage is approximately 325 VDC per capacitor.

4 PC Board: (See page 22 for optional EPROMS available)

PC BoardPart #230 V model460 V modelFunction

PCB1P6840P00P6972, P6973P6934, P6920Main Control Bd. (less EPROM)

PCB2P6972Q00P6972, P6973

Power Supply Board

PCB2P6848Q00

P6934, Power Supply Board

PCB3P6768S00P6972, P6973P6934, P6920IGBT Driver Board

PCB4P6768T00P6972, P6973P6934, P6920Filter Board

PCB5P6848Y00

P6934, P6920MS Contactor Driver Board

WP-POTK5012C00P6972, P6973P6934, P6920Wave Pulse Potentiometer

EPROMK4774

P6934Op. Wave Pulse EPROM

EPROMK4775

P6920Op. Wave Pulse EPROM

EPROMK4781P6972

Op. Wave Pulse EPROM

EPROMK4782P6973

Op. Wave Pulse EPROM

EPROMK4773

P6920Op. .035 EPROM

5 Trouble Shooting Guide (Chart 1)Error

#Error DescriptionWarning

Indicator

(on front panel)PCB 1, P6840P00

PL202PL203PL204PL205

1Torch switch ON

2Program Push Switch Error

3Emergency Stop

4Input Overvoltage

5Output Overcurrent

6Thermal Overload (2-Tstats)

7Inverter drive circuit error

8Primary (CT1)/Secondary (CT2) current error

9+ 15V Low or Shorted Voltage

10Arc voltage detecting error

11Microprocessor error (1)

12Waveform control circuit error

13Microprocessor error (2)

14Water pressure error (8.55 PSI min.)

Indicator is Off, Indicator is ON, Indicator is Flashing

ProblemCheck and Replace if neededAction Required

No Arc when Torch switch is pressed

Check Ground cable between power supply and base metal

Attach Ground cable with good connection from power supply to base metal

Check Torch power connections between power supply and torchAttach Power cable with good connection to power supply

Check Program Switch for proper settings to front panel settingSet to proper setting per front panel

Check Warning Lamp Refer to above chart 1

Check Remote Control Connect if not

Check all control cablesPlug in or replace if needed

Check Torch switchReplace if needed

Check Power FusesTR1, TR2 or DR1 may be damaged if so call factory authorized service center

Power ON indicator PL1 is not litPL1 failureReplace PL1

No power to power supplyApply proper 3-Phase line voltage and ground

Fan MotorPower indicator PL1 is not litSee PL1 section

Power indicator PL1 is litCheck F4, F5 (on sub-chassis) T3 and check CN13 on PC Board P6840P for 200 VAC for Fan motor replacing if needed

Warning indicator PL2 is lit when control power switch is turned on see chart

Thermostats THP1 or THP2 badCheck and replace if needed

Check connections CN8 and CN9 on PC Board P6840P

Welding power supply is overloaded or duty cycle to highReduce load or cycle and allow to cool

Ambient temperature is highOperate at and ambient of 104 degrees F or less

Ventilation is blockedRemove exterior items from around power supply

Turn power OFF use clean dry air to blow out power supply

Improper line voltage (over or under voltage)Check input power for proper line voltage and correct if needed

Make sure fan is runningSee fan section

Emergency StopCheck for jumper on Q Board CN5 terminals 7 and 8 to reset the power supply

No Gas even when torch switch is pressedCheck for gas to power supply by pushing S4 switch Gas Check to check (No gas output)If no gas turn on gas tank and regulator for proper pressure make sure gas hose is hooked up

Check (SOL, #4813-001) 24 VDC Gas solenoid valve in wire feeder and replace if needed

Check for +24 VDC from Q Board replace if needed

Check wire feeder control cable and replace if needed

Check for gas to power supply by pushing S4 switch Gas Check to check (Gas output)Gas control circuit failure check Q Board and replace if needed

Check control cables line # 107, 108 and 109

Check filter (T) Board

Warning indicator lit check indicating chart 1 and repair as needed

Gas doesnt stop flowing

Check the Gas Check S4 switch

Set in the Weld Position

Check for 24 VDC at gas valve if none present replace gas solenoid #4813-001

Check for 24 VDC at gas valve if present check Q Board CN5 terminals 11 and 12 for open contact and replace Q Board

Gas flows when the torch switch is pressed but load voltage is not generatedControl circuit failureCheck P6840P Board and replace if needed

No Gas pre-flow time

Gas control circuit failureCheck P and Q Boards replacing as needed

Check P6840P dip-switch S201 position #2OFF position is .08 and ON 1.0 seconds set to ON for more time

No Gas post-flow time

Gas control circuit failureCheck P and Q Boards replacing as needed

Check P6840P dip-switch S201 position #3OFF position is .035 and ON 3.0 seconds set to ON for more time

No Wire FeedF2 Fuse on Front panel blownCheck wire feeder, welding torch and then replace F2 Fuse

Remote control and cables broken or bad contactsPlug-in or replace as needed

Motor control circuit failureCheck Wire feeder motor, P and Q board replacing as needed

Filter circuit failureCheck and replace T board if needed

Welding current is to much and out of controlControl circuit failureCheck and replace PCB P6840P if needed

Filter circuit failureCheck T Board and replace if needed

Remote control or cable failureRepair or replace if needed

Breaking of arc voltage detection line

Check S901 on PCB P6840P (standard position is TANSI under 100 ft. and DIRECT over 100 ft. as well as special wiring) and check arc voltage detection lead

Remote control does not regulate welding outputControl circuit failureCheck PCB P6840P and replace if needed

Filter circuit failureCheck T Board and replace if needed

Remote control or cable failureCheck remote control variable resistors R20 and R21 in remote control and check remote control cable replacing as needed

No welding during Crater Fill when switch is in W/O PULSE or W/PULSE positionCrater-filler switch S2 on front panelReplace if needed

WCR circuit failureCheck PCB P6840P and replace if needed

WCR contact kept closed

Current transducer CT2 failureReplace CT2

WCR circuit failureCheck PCB P6840P and replace if needed

Unstable arc and welding bead is not neat

Connection failureCheck all power, ground and control cables repair or replace as needed

Check for proper tip and replace if needed

Improper setting of

PULSE ARC CONTROLReadjust for proper setting of PULSE ARC CONTROL

Improper welding conditionsCheck settings of program switch, current, voltage, gas flow, gas type and welding speed changing if required

Wire feeding not smoothCheck pressure adjustment of wire feed readjusting if needed

Check feed, pressure rolls and torch for welding wire diameter used

Check torch liner for metallic dust inside of liner cleaning or replacing if necessary

Check whether conduit of torch is bent severally replacing if needed

Wire or base metalCheck whether oil or the like cleaning surface if necessary

Check whether welding wire is rusted changing to new wire

Shielding gasGas mixture bad requires changing to new tank

Air in gas check for bad connections and gas hose failure correcting if necessary

Arc blow occursChange the direction of welding

Change the place of grounding point of the base metal

6 Dip Switch Guide

S201 (Factory Settings)

ON

OFFoooo

1234

SetOFFONS201 Description

1X

ON for Initial current when using crater-filler mode

2.081.0ON for longer Pre-flow in seconds

3.353.0ON for longer Post-flow in seconds

4XCM-231Always set to OFF (Only turn ON if using CM-231 wire feeder)


ON

OFFoooooooo

12345678


1

ON = 20 Amp change to pulse peak current

2


3


4

OFF = Increases 1, 2, 3 ON = Decreases 1, 2, 3 of pulse peak current

5

ON = 0.1 ms change to pulse duration

6


7


8

OFF = Increases 5, 6, 7 ON = Decreases 5, 6, 7 of pulse duration


ON

OFFoooooooo

12345678


1

ON = Base current to be fixed at 60 Amp

2

Always set to OFF

3

ON = Cancels slow down function

4

ON = Changes current and voltage from 0-15 VDC to 0-10 VDC

5

Always set to OFF

6

Always set to OFF

7

Always set to OFF

8

ON = Automatic operation (using E-stop terminals for start-stop)


TANS1oStandard under 100 ft

DIRECT

Over 100 ft away requires a lead from voltage detection terminal to work (-)

Burn-back Time:

R125 potentiometer located on P6840P Board adjustments are Center = Standard (preset), CCW = -250 ms shorter, CW = +250 ms longer

Burn-back Voltage:

R124 potentiometer located on P6840P Board adjustments are Center = Standard (preset), CCW = -9 V lower, CW = +10 V higher

CN5 on Q Board (12 Pin Terminal Block)

Note: * Using the E-Stop terminals requires resetting power to power supply.

** Shunt for: CPDP 350 = 400A/60mV, CPDP 500 = 600A/60mV

*** Recommend a voltmeter with a full scale of 100 V

7 Printed Circuit Board (PCB)7.1 Location and functions of P.C.B.

PC Board

Part # Location Function

P6840P

Upper chassis

Sequence control ( micro-computer )

Output voltage setting

Pulse waveform control

Multi-static characteristic control

Constant penetration control

Voltage feedback

Current feedback

Input over voltage protect circuit

Shortage of input voltage protect circuit

Thermal overload protect circuit

PWM control circuit

Over current protect circuit

DC magnetization protect circuit

WCR circuit

Short-circuit detector

P6848Q(460Vmodel)

P6972Q

(230Vmodel)

Upper chassis

Wire feeding motor control circuit

Relaycircuit

External connection terminal

Power supply for P.C.B.

P6768S Upper chassisIGBT driver

P6768T

Lower chassis

(Sub chassis)Filter circuit for remote control and wire feeder

P6848Y(460Vmodel only) Upper chassisMagnetic contactor driver

7.2 PC Board P6840P

7.2.1 Measurement ( P6840P )Check pin #FunctionConditionWaveform or Voltage

(T) means Tester,(S) means Oscilloscope

CH101Reset signal for CPUN.A.N.A.

CH102

Wire feeding speed setting

( In test CP mode )TS (Torch Switch) is OFF.

(T) CH304(-) - CH102(+)( 0-9.5V(depending on program #)

According to welding current setting knob in remote pendant.

CH103

Welding current setting of

remote control

TS is OFF.

(T) H304(-) - CH103(+)( 0-5V(depending on program #)

According to welding current setting knob in remote pendant.

CH104

Welding voltage setting of

remote control

TS is OFF.

(T) CH304(-) - CH104(+) ( 0-5V(depending on program #)

According to welding voltage setting knob in remote pendant

CH201

Feedback of tacho-generator

Wire inching

(T) CH304(-) - CH201(+) ( 0-5V According to wire feeding speed.

( Only when using wire feeder with tacho-generator(CM(W)H-145) )

CH301+5V lineN.A.(T) CH302(-) - CH301(+) (+5V

CH302Ground for +5VN.A.N.A.


CH304

CH406Ground for+15V, -15VN.A.N.A.

CH305-15V lineN.A.(T) CH305(-) - CH304(+) (+15V



CH308

Output setting signal

( In test CP mode )TS is OFF.

non-pulse mode

(T) CH304(-) - CH308(+)(approx.0V-10V

According to welding voltage setting knob in remote pendant

CH309

Torch switch signal

TS is ON.(T) CH304(-) -CH309(+) (0V

TS is OFF..(T) CH304(-) -CH309(+) (+4.2V

CH401

Actual welding current

waveform

Welding

(S) CH304(-) - CH401(+)Example of pulsed MAG. 1V is equivalent to 100A.

CH402

Voltage feedback for "MULTI"

control

TS is ON, and

no load output

In pulse mode(T) CH304 - CH402 (Approx. 3V

(S) CH304 - CH402

CH403

CH404Control pulse for IGBTTS is OFF.

(T) CH304(-) - CH403 (CH404) (+)

(+15V

TS is ON and no load output

(T) CH304(-) - CH403 (CH404) (+)

(Approx. +8V

(S) CH304 -CH403(CH404)

CH403 and CH404 shall not be 0V at same time.

CH405

Voltage feedback signal

(In test CP or CC mode )TS is ON.

(T) CH304(-) -CH405(+)(Approx. 1/10 of output voltage.

CH407

Current feedback for OCP

Welding

(S) CH304(-) - CH407(+)*Pulse width and pulse peak vary according to instantaneous value of welding current and voltage.

CH408

Feedback signal for protection of DC magnetization

TS is ON and no load output

In pulse mode(S) CH304(-) - CH408(+)

CH601

Current feedback signal for A/D converter

Only welding

(non-pulse )

(S) CH304(-) - CH601(+)Example of non-pulse welding

0.2V is equivalent to 100A.

CH801

"MULTI" control setting

Only welding

( non-pulse )

(S) CH304(-) - CH801(+)Example of non-pulse welding

CH901

Output voltage signal

TS is ON and no load output(T) CH901(-) - CH304(+)

(Approx. +8V-+9V

CH902

Short-circuit detect signal

TS is OFF.(T) CH304(-) - CH902(+) (0V( equivalent to short)

TS is ON and no load output(T) CH304(-) - CH902(+) (+15V

( equivalent to arc )

CH903Voltage feedback signal for A/D converterTS is OFF.(T) CH304(-) - CH903(+) (0V

TS is ON and no load output(T) CH304(-) - CH903(+) ( Approx.+4V

7.2.2 Potentiometers ( P6840P ) Refer to owner's manual " 11. 1 Build-in function and adjustment " for details.

Potentiometers on P.C.B. are already adjusted to optimum value. But some of them can be re-adjusted by the operator. The following is the meaning of each potentiometer.Do not re-adjust the potentiometer marked .

Symbol No.Meaning of potentiometer

R124Antistick voltage adjustment

R125Antistick time adjustment

R126No use

R251Gain adjustment of tacho-generator feedback ( Only when using wire feeder with tacho-generator)

R301Input over voltage threshold adjustment

R418Voltage feedback adjustment (for CP)

R421Voltage feedback adjustment (for "MULTI" control )

R938Output voltage detector compensation for Hall current sensor

R946Output voltage feedback adjustment for A/D converter

7.2.3 Jumper sockets( P6840P )

Do not changeover the jumper sockets.Symbol No.Meaning of jumper socket"a" side"b" sideStandard position

J101EPROM/ extended bus changeoverEPROMExtended bus"a"

J303Input for thermostat changeover12"b"

J401PWM setting signal changeoverInternal signalExternal signal"a"

J402"MULTI" control changeoverHardwareSoftware"a"

7.2.4 Location of check pins and potentiometers on P6840P

7.3 PC Board P6848Q7.3.1 Measurement ( P6848Q )Check pin #FunctionConditionWaveform or Voltage


CH1

Power supply for wire feeding motorTS is OFF.

(T) CH1(-) - CH6(+) (Approx. +30V

CH2Power supply -15VTS is OFF.(T) CH2(+) - CH6(-) (+15V

CH3Power supply +24VTS is OFF.(T) CH4(-) - CH3(+) (Approx.+24V-+26V


CH5Power supply +15VTS is OFF.(T) CH6(-) - CH5(+) (+15V

CH6Ground for +5V,+15V,-15VN.A.N.A.

CH7Power supply +5VTS is OFF.(T) CH6(-) - CH7(+) (+5V

7.3.2 Potentiometers ( P6848Q)

Refer to owner's manual " 11. 1 Build-in function and adjustment " for details.

Potentiometers on P.C.B. are already adjusted to optimum value. But some of them can be re-adjusted by the operator. The following is the meaning of each potentiometer.Do not re-adjust the potentiometer marked .Symbol No.Meaning of potentiometer

R11Wire feeding speed adjustment

7.3.3 Location of check pins and potentiometers on P6848Q/P6972Q

7.4 PC Board P6848S 7.4.1 Measurement ( P6848S )Check pin #FunctionConditionWaveform or Voltage


CH1+15V lineTS is OFF.(T) CH2(-) - CH1(+) (+15V


CH3Power supply for IGBT driverTS is OFF.(T) CH2(-) - CH3(+) (+15V

CH4

CH5Control pulse for IGBT (1)TS is OFF.(T) CH2(-) - CH4(CH5) (+) (Approx.+14V

TS is ON andno load output

(T) CH2(-) - CH4(CH5) (+) (Approx.+8V

(S) CH2(-) - CH4(CH5) (+)

CH6

IGBT driver error signal (1)

TS is OFF.

(T) CH2(-) - CH6(+) (0V

(When error occurs, +14V appears.)

CH7

IGBT driver error signal (2)

TS is OFF.

(T) CH8(-) - CH7(+) (Approx. 0V

(When error occurs, +15V appears.)

CH8Ground for CH7N.A.N.A.

CH10

CH11Voltage between gate and emitter of IGBT(VGE)TS is OFF.

(T) CH11(-) - CH10(+) (Approx. +6V

TS is ON, and no load output

(T) CH10(-) CH11(+) (Approx. +2.5V(S) CH10(-) CH11(+)

CH20

CH21Voltage between gate and emitter of IGBT (VGE)TS is OFF.(T) CH21(-) CH20(+) (Approx. +6V

TS is ON, and no load output(T) CH20(-) CH21(+) (Approx. +2.5V(S) CH20(-) CH21(+)

Same as CH10-CH11 waveform

CH30

CH31Voltage between gate and emitter of IGBT (VGE)TS is OFF.(T) CH31(-) - CH30(+) (Approx. +6V

TS is ON, and no load output

(T) CH30(-) CH31(+) (Approx. +2.5V(S) CH30(-) CH31(+)


CH40

CH41Voltage between gate and emitter of IGBT (VGE)TS is OFF.(T) CH41(-) - CH40(+) (Approx. +6V

TS is ON, and no load output(T) CH40(-) CH41(+) (Approx. +2.5V(S) CH40(-) CH41(+)


7.4.2 Location of check pins and potentiometers on P6848S8 Check the performance of main semiconductors

When checking main power parts, pay attention to electric shock.( Refer to1.Precautions at maintenance.)

8.1. Primary rectifier module ( Diode module ) DR1

Turn off the control power switch and wait for more than 3 minutes to discharge the capacitors.

And then disconnect the wirings ( No.18 or 19 and 20 ).

Measure the resistance between terminals of DR1 with analogue tester.( 1 range)

Resistance shall be the value as follows.

Probe RED

AC1AC2AC3AC1AC2AC3(+)(+)(+)(-)(-)(-)

Probe BLACK(+)(+)(+)(-)(-)(-)AC1AC2AC3AC1AC2AC3

Resistance

Approx.

19Approx.

19Approx.

19Approx.

19Approx.

19Approx.

19

8.2 IGBT module TR1,2


And then disconnect the wirings ( No.49 and 50 ).

Measure the resistance same as DR1. Resistance shall be the value as follows.

Probe REDC1C2E1C2E1E2

Probe BLACKC2E1E2C1C2E1

Resistance

Approx.

16Approx.

16

8.3 Secondary rectifier module ( Diode module )


And then disconnect the wirings ( No.31 ).

Measure the resistance same as DR1.

Resistance shall be the value as follows.

Probe REDKA

Probe BLACKAK

Resistance

Approx.

13

9 General procedure for checking the troubles

In case of checking only sequence circuit without applying input power to main circuit, remove the wirings

( No.18 or 19, 20 ) from terminals of rectifier module DR1, and insulate them.

9.1 When main fuse F1 and / or F3 blows. (460V model only)1) Check the main semiconductors according to 4. Check the performance of main semiconductors, and replace them if necessary.

2) Replace fuses blown.

3) Disconnect the wirings from DR1 as mentioned above.

4) Turn on control power switch.

5) Check the pin CH1-CH5 ,CH10-CH42 on P.C.B. P6848S according to 1.4.1.

6) If P.C.B. P6768S is abnormal, check the pin CH403, CH404 on P.C.B. P6840P. (Disconnect CN13 of P6840P and short-circuit 7pin and 8pin of CN13 on P.C.B..)

7) If P.C.B. P6840P is abnormal, replace it. If not, replace P.C.B. P6768S.

8) Check resistor R28, R29 on sub chassis replace them if necessary.

9) If any abnormality is not found, connect the wirings to DR1. And turn on control power switch. Turn on torch switch and observe the no load output voltage. ( Refer to owner's manual for rated no load voltage. ) If no load voltage is less than 50V, check CH308, CH309,CH402-CH408 of P.C.B. P6840P.

9.2 When welding power source does not work ( Main fuse F1 and / or F3 does not blow.).

1) Check cartridge fuses F4, F5 on sub chassis ( lower chassis ).

2) Check whether magnetic contactor MS1 is ON when turning on the control power switch. If not P.C.B. P6768S may be damaged.

3) Check warning indicators. (Refer to 3. Warning indicators )

4) Check control power supply ( CH301, CH303, CH305, CH306 ) according to 1.2.1.

5) When PL201 is not flickering even if CH301 is normal, P.C.B. P6906P may be damaged.

6) Check 5)(7 of 5.1.Details of troubleshooting are printed in owner's manual.

10 Block diagram

11 Others 11.1 Arc voltage direct feedback

When output side cables is longer than 30m,welding problems may occur as follows.

Too much spatter is generated.

Arc is unstable.

Wire feeds, however it does not melt.

In that case, directly detecting the work side of arc voltage may solve the problems. (Torch side is already connected

to detecting circuit. )

Procedure of directly detecting work side of arc voltage.

Prepare optional detecting wire K2809B.

Connect the wire to the terminal on output terminal plate and work piece.

Set switch S901 on P.C.B. P6906P to "DIRECT" side.

11.2 Optional EPROM

Optional EPROMS for Turbo Pulse DF Series

EPROM #ProgramWelding Method

K4773

500DF, 460V14Mild SteelCO2.035

26

MAG

27

Pulsed MAG

35Stainless SteelMIG

36

Pulsed MIG

43Cored WiresMAG

NOTE: Wave Pulse requires Part # K5012C00 Wave Pulse Potentiometer

K4774

350DF, 460V55Soft AluminumWave Pulsed MIG3/64

56

1/16

65Hard Aluminum

3/64

66

1/16

71InconelPulsed MIG.035

72

.045

81Silicon BronzeMIG Brazing.030

82

.035

K4775

500DF, 460V

55Soft AluminumWave Pulsed MIG3/64

56

1/16

65Hard Aluminum

3/64

66

1/16


72

.045

K4781

350DF, 230/208V55Soft AluminumWave Pulsed MIG3/64

56

1/16

65Hard Aluminum

3/64

66

1/16


72

.045

81Silicon BronzeMIG Brazing.030

82

.035

K4782

500DF, 230/208V

55Soft AluminumWave Pulsed MIG3/64

56

1/16

65Hard Aluminum

3/64

66

1/16


72

.045

Ammeter**

Voltmeter***

+

-

Gas Solenoid Valve

N. C. = Gas Flow

N. O. = No Gas Flow

Weld Current Relay

N. C. = Welding

N. O. = Stopped

E-Stop *

N. C. = Run

N. O. = Stopped

Power Prep Relay

24 VDC

N. C. = Power ON w/No Faults

-

+

+

-

EMBED HANA.Document.3


EMBED Word.Picture.8







EMBED Word.Picture.8









P6840P


SERVICE MANUAL

2P. 1Service manual CPDP-350 500

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service manual cpdp-350 500

Documents

power supply f24610

check power fusestr1

power capacitors voltage

microprocessor error

torchattach power cable

check remote control

power capacitors c2c4

program push switch