THOMSON 42WS90E Service Manual Download Page 8 | Manualshive

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8

First issue 03 /01

DIAGNOSTIC

The power LED located on the front of the display is a bicolour LED wich indicates the operating status including the normal, standby
and three error detections

42WS90E-42WS90E2

No energization

of POWER unit

Is the power

LED lit ?

See page 9

Is the power LED

flashing green?

See page 10

Is the power LED

lighting green?

The power LED

is lighting red :

Stand-by mode

See page 12

Is the power LED

flashing red?

See page 11

Is the power

LED flashing green

and red?

See page 12

No

No

Yes

Yes

No

Yes

No

Yes

No

Yes

All manuals and user guides at all-guides.com

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Summary of Contents for 42WS90E

Page 1: ...riproduzione di traduzione e esecuzione sono riservati per tutti i paesi Derechos de reproduccion de traduccion de adaptacion y de ejecucion reservados para todos los paises WARNING Before servicing this chassis please read the safety recommendations ATTENTION Avant toute intervention sur ce châssis lire les recommandations de sécurité ACHTUNG Vor jedem Eingriff auf diesem Chassis die Sicherheitsv...

Page 2: ... provoca la no conformidad del aparato En ese caso el fabricante cesa de ser responsable MEASUREMENT CONDITIONS CONDITIONS DE MESURES MESSBEDINGUNGEN CONDIZIONI DI MISURA CONDICIONES DE MEDIDAS RICEVITORE In UHF livello d entrata 1 mV monoscopio barre PAL norma G bianco 100 Via SCART livello d entrata 1 Vpp monoscopio barre Colore Contrasto Luminositá media Suono minimo Programma selezionato PR 01...

Page 3: ... No display ANALOG module analysis 18 Synchonisation trouble 19 AUDIO TROUBLESHOOTING No audio signal from SP output 20 No audio signal from AUDIO output 20 ADJUSTMENT 21 Video level 22 Sub brightness 24 Sub contrast 24 Video screen position 24 RGB screen position 24 Power 24 ADJUSTMENT LOCATION ANALOG module 42WS90E 25 ANALOG module 42WS90E2 26 VIDEO module 27 AUDIO module 27 POWER module 28 BLOC...

Page 4: ...al panels S and V Pull out the S I O module and the VIDEO I O module from the terminal panels Remove the 2 screws on the left side of the set and take out the R TERM module Remove the 2 screws on the right side of the set and take out the L TERM module 07 06 05 04 03 02 01 BACK PANEL 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 02 02 02 02 02 02 02 02 03 VIDEO I O MODULE L TERM MODULE TERMIN...

Page 5: ...IO module Remove the 4 screws and take out VIDEO module 4 Removing the power module Remove the 6 screws and take out the power unit 10 09 08 AUDIO MODULE SHIELD CASE AUD VIDEO MODULE SHIELD CASE VID 08 08 08 08 09 09 09 09 POWER UNIT 10 10 10 10 10 10 All manuals and user guides at all guides com ...

Page 6: ... take out the shield case ANA A Remove the 4 screws and take out the ANALOG module the bracket fan Remove the 4 screws and take out the grand boards L and R 15 17 16 14 13 12 11 DC FAN DC FAN BRACKET FAN GRAND BOARD R GRAND BOARD L B B A A 11 11 11 11 11 11 11 15 15 15 15 12 12 14 13 ANALOG MODULE SHIELD CASE ANA A 10 pcs 16 17 17 17 17 6 First issue 03 01 All manuals and user guides at all guides...

Page 7: ...of the modules refer to the below diagram to mount ferrites and connect the modules again Note RA connectors are only fitted in 42WS90E2 ferrite core ZCAT2032 930 code 351 571 10 ESD R 19 code 351 571 20 2 1 All manuals and user guides at all guides com ...

Page 8: ...ons 42WS90E 42WS90E2 No energization of POWER unit Is the power LED lit See page 9 Is the power LED flashing green See page 10 Is the power LED lighting green The power LED is lighting red Stand by mode See page 12 Is the power LED flashing red See page 11 Is the power LED flashing green and red See page 12 No No Yes Yes No Yes No Yes No Yes All manuals and user guides at all guides com ...

Page 9: ...1 of the PM connector Disconnect the PM and PQ connectors from one after another If there is M 14V output the circuit beyond the connectors is out of order If there is no output the POWER unit is out of order Is there 5V output at Pin 2 of IC6805 ANALOG module Failure in the CTL module Is there 5V output at Pin 5 of the PW connector Failure in 5V line Check the POWER module Failure in the POWER mo...

Page 10: ...ing green No Yes Failure in the ANALOG module Is 0V observed at Pin 3 of IC6800 ANALOG module No Yes Failure in fan s peripheral area of the set Failure in the ANALOG module Is 0V observed at Pin 2 or 5 of IC6807 No Yes Yes Is 0V observed at Pin 13 of the PM connector No Yes No Yes Is FL6074 normal Failure in the POWER module Is 0V observed at Pin 9 of IC6807 Is 12V observed at Pin 11 of PM connec...

Page 11: ...bserved at Pin 57 of IC6800 ANALOG module Failure in the POWER unit The power LED is flashing red No Yes Yes No Failure in the ANALOG module Is 0V observed at pin 13 of IC6808 ANALOG module Failure in the ANALOG module Is 0V observed at Pin 4 of IC6800 ANALOG module Failure in the POWER unit 42WS90E 42WS90E2 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 12: ...en and red flashing the power supply cannot be reset with the OFF ON operation at the mains power supply remote control and wall outlet The power LED is lighting green No Yes Yes No Failure in the ANALOG module Is H maintained at Pin 7 of the PH connector Failure in the peripheral area of PDP module Is H maintained at Pins 2 and 3 of the PM connector Failure in the PDP module and the POWER unit No...

Page 13: ...1 VIDEO I O module With the signal line discon nected is there a video signal at the signal line terminal With the YC connector disconnected is there a video signal at TP1025 Is there a rectangular wave form signal of 5Vp p at pins 2 and 3 of the IC connector No Yes Failure in the VIDEO I O module Is there a Y signal input at pins 1 and 9 of IC5006 Is there a video signal at Pins 1 3 and 5 of the ...

Page 14: ...n Is there a video signal at TP1007 TP1008 and TP1009 Failure in the ANALOG module Failure in signal line Enter a VGA or SVGA color bar signal input With the signal line discon nected is there a video signal at the signal line terminal Is there horizontal sync at Pin 13 of M1006 socket or vertical sync at Pin 14 Is there horizontal sync at Pin 8 of PC connector or vertical sync at Pin 10 42WS90E 4...

Page 15: ... on screen display of HD or DVD Is there a video signal at TP1004 VIDEO I O module With the signal line discon nected is there a video signal at the signal line terminal No RGB signal No Yes Failure in the VIDEO module Failure in the ANALOG module Is RGB signal available at Pins 1 3 5 of the VD connector 42WS90E 42WS90E2 42WS90E 42WS90E2 All manuals and user guides at all guides com ...

Page 16: ...ailure in the VIDEO I O module No NTSC color generation No Yes No Yes Failure in the VIDEO module No Yes A Is C signal available at TP9004 Is there a video signal at Pin 1 of the YC connector Is C signal available at Pin 13 of IC5008 Is C signal available at Pin 14 of IC5006 42WS90E 42WS90E2 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 17: ...at TP5030 Failure in the VIDEO I O module No PAL color generation No Yes No Yes Failure in the VIDEO module No Yes B Is C signal available at TP9005 Is there a video signal at Pin 1 of the YC connector Is C signal available at Pin 13 of ICC5008 Is C signal available at Pin 16 of ICC5006 42WS90E 42WS90E2 All manuals and user guides at all guides com ...

Page 18: ...ignal at Pin 49 of the AD connector Is normal display available after replacement of ANALOG module Is the link of AD connector correct Make correct connections Are the PD and PH con nectors correctly connected Is there a signal of 5Vp p at Pin 51 H SYNC and Pin 53 V SYNC of the AD connector and the L signal at Pin 76 Refer to No energization of POWER circuit Failure in the PDP module Are there nor...

Page 19: ...e Enter a color bar signal input Is normal display available after replacement of ANALOG module Is it a HD DVD input Is there a synchro signal at Pins 8 and 10 of the PC connector Is there a video signal at Pin 2 of the HD connector Is there a synchro signal at Pins 7 and 9 of the VD connector Are there a clock signal syn chronized with the input signal a horizontal synchro signal and a vertical s...

Page 20: ...e SOUND I O module Is audio signal available at at TP3001 and TP3002 Check each phono pin output No audio signal from AUDIO out No Yes Yes No Check the Sub woofer Is audio signal available at at TP4006 and TP4007 Failure in the SOUND I O module C C Is audio signal available at Pins 1 and 3 of POMS connector 42WS90E 42WS90E2 42WS90E 42WS90E2 All manuals and user guides at all guides com ...

Page 21: ...200 D CONTROL NTSC CONT 18 BRIHT 15 U COL 74 COLOR 4 TINT 22 CBRI 120 SERVICE MODE Before entering the service mode it could be necessary to configure the plasma monitor in the On Screen menu Using the remote control press menu button The main menu appears on the screen Press the buttons to select the setup line The setup menu appears on the screen Select the color standard line The color standard...

Page 22: ...nput TP6139 R OUT TP6139 R OUT TP6140 B OUT TP6140 B OUT TP6141 G OUT 900 mVp p Pedestal level Pedestal level Adjust BRIHT line to obtain 600mV DC Check that Pedestal level is 600 mV if not perform adjustment of sub brightness TP6140 B OUT TP6141 G OUT Check that Pedestal level is 1 8Vp p if not perform adjustment of sub contrast Repeat alternatively the COLOR and TINT adjustments 600 mV 1 8 Vp p ...

Page 23: ...p PAL colour bar test pattern Video input TP6139 R OUT TP6140 B OUT Pedestal level TP6140 B OUT TP6141 G OUT Check that Pedestal level is 1 8Vp p if not perform adjustment of sub contrast 1 8 Vp p White Yellow Cyan Green Magenta Red Blue Black 1 40V 1 20V Linearly decreases From the black to blue of the signal Pedestal SERVICE MODE D CONTROL SECAM menu SERVICE MODE D CONTROL SECAM menu SERVICE MOD...

Page 24: ...f the display range in the PDP module select HP and VP lines and adjust correctly 42WS90E2 only Select H POS line and adjust Adjust GD line to obtain 1 8Vp p Pedestal level 1 8 Vp p Select V POS line and adjust Check that H PHA 3 and H CLK 0 Adjust separate for cinema 4 3 16 9 and PAL SECAM Select H POS line and adjust Select V POS line and adjust Check that H PHA 3 and H CLK 0 Adjust separate for...

Page 25: ...M TP6130 R TP6115 TP6117 VR6104 VR6103 IC6000 IC6301 IC6001 IC6300 IC6073 IC6003 SW6500 SW6501 TP6139 TP6141 TP6140 SW6550 TP6070 GND TP6136 TP6137 TP6138 1 2 1 7 7 4 8 0 1 2 1 4 1 8 IC6805 IC6702 1 3 1 3 1 3 1 3 1 3 1 3 1 3 8 1 1 3 14 1 TB AD TA TQ AE F1 R OUT G OUT B OUT All manuals and user guides at all guides com ...

Page 26: ...E 8 4 8 0 1 3 1 3 1 3 1 3 1 5 PN 8 1 14 1 AD IC6004 IC6109 TP6203 TP6111 TP6138 TP6139 VR6103 TP6115 TP6141 TP6140 IC6114 IC6551 IC6552 IC607 IC6115 IC6116 TP6112 TP6117 VR6104 IC6104 IC6511 IC650 IC6105 TP6201 IC6508 IC6509 IC6113 IC6112 IC6106 IC6510 IC6550 IC6553 IC6004 IC6811 IC6810 IC6800 IC6813 IC6812 TP6804 TP6805 TP6075 S6800 TP6800 TP6801 IC6600 RA F1 S6801 IC6820 R OUT G OUT B OUT All ma...

Page 27: ... TP5003 TP5001 DL5001 IC5008 BS YC PWC 4213A VIDEO M7 EXT CONT M6 RGB IN M5 Pr M4 Pb M3 Y M2 S VID M1 VID PWC 4213B VI O JC VD PV PWC 4216A AUDIO MS 1 4 1 5 1 9 1 4 M4006 SW2002 3 1 1 2 6 1 8 1 SR SL PA AE IC3004 PWC 4216B SOUND I O L TERM PWB R TERM PWB Light inter cepting block POWER PWB SW2001 Power supply M4001 VIDEO M4002 HD DVD M4003 RGB AUDIO OUT VOL PWB CTL PWC Heat sink All manuals and us...

Page 28: ...3 TP8 PD PH PA PM PN PV TP7 TP5 TP6 AC Inlet FG D 5V ADJ FAN FAN FAN FAN PQ D 80V ADJ D 180V ADJ 42WS90E2 1 4 1 10 1 6 1 5 1 14 1 8 1 4 TP4 TP3 TP8 PD PH PA PM PN PV TP7 TP5 TP6 AC Inlet FG D 5V ADJ FAN FAN FAN PQ D 80V ADJ D 180V ADJ All manuals and user guides at all guides com ...

Page 29: ...First issue 03 01 29 BLOCK DIAGRAMS I O module 42WS90E 42WS90E2 All manuals and user guides at all guides com ...

Page 30: ...30 First issue 03 01 ANALOG module 42WS90E All manuals and user guides at all guides com ...

Page 31: ...First issue 03 01 31 ANALOG module 42WS90E2 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 32: ...32 First issue 03 01 VIDEO module 42WS90E 42WS90E2 All manuals and user guides at all guides com ...

Page 33: ...First issue 03 01 33 AUDIO module 42WS90E 42WS90E2 All manuals and user guides at all guides com ...

Page 34: ...34 First issue 03 01 POWER module 42WS90E 42WS90E2 All manuals and user guides at all guides com ...

Page 35: ...First issue 03 01 35 NOTES All manuals and user guides at all guides com ...

Page 36: ... 01 41 86 60 00 Minitel 3616 ou 3623 TCEDS Internet http www thomson fr THOMSON multimedia Sales UK Limited 30 Tower View Kings Hill West Malling Kent ME19 4NQ England Tel 44 0 173 252 0920 THOMSON multimedia Sales Italy S p A Via Leonardo da Vinci 43 20090 Trezzano sul naviglio Milano Tel 02 48 414 111 THOMSON multimedia Scandinavia AB Florettgatan 29 C S 25467 Helsingborg Sweden Tel 042 25 75 00...

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