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SERVICE MANUAL
DOCUMENTATION TECHNIQUE
TECHNISCHE DOKUMENTATION
DOCUMENTAZIONE TECNICA
DOCUMENTACION TECNICA
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 Sicherheitsvorschriften lesen.
ATTENZIONE : Prima di intervenire sullo chassis, leggere le norme di sicurezza.
IMPORTANTE : Antes de cualquier intervención, leer las recomendaciones de seguridad.
Code : 351 530 30
- 0301 / 00M -
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42WS90E
42WS90E2
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Summary of Contents for THOMSON 42WS90E
- Page 1 SERVICE MANUAL DOCUMENTATION TECHNIQUE 42WS90E TECHNISCHE DOKUMENTATION 42WS90E2 DOCUMENTAZIONE TECNICA DOCUMENTACION TECNICA Plasma 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 Sicherheitsvorschriften lesen.
- Page 2 Do not disconnect modules when they are energized! Repairs on power supply section are to be carried out only with isolating transformer. Ne pas retirer les modules lorsqu' ils sont sous tension. N'effectuer les travaux de maintenance sur la partie reliée au secteur (Switch Mode) qu'au travers d'un transformateur d'isolement.
- Page 3 ....25 (42WS90E) DIAGNOSTIC ....... . . 8 ANALOG module .
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Page 4: Removing The Back Panel
DISASSEMBLING THE MODULES 1. Removing the back panel - Remove the 17 screws , the 8 screws and the screw - Remove the back panel. BACK PANEL 2. Removing the terminal panels (S), (V), R TERM, L TERM, S-I/O and VIDEO I/O modules - Remove the 2 screws on the left side of the set and - Remove the 2 screws... -
Page 5: Removing The Audio And Video Modules
3. Removing the AUDIO and VIDEO modules - Remove the 4 screws and take out AUDIO module, - Remove the 4 screws and take out VIDEO module. AUDIO MODULE VIDEO MODULE SHIELD CASE (AUD) SHIELD CASE (VID) 4. Removing the power module - Remove the 6 screws and take out the power unit. - Page 6 5. Removing the bracket (fan)/DC fan - Remove the 7 screws , the 2 screws , and the screw the bracket (fan), - Take out the bracket (fan), - Remove the 4 screws and take out the grand boards L and R - Remove the 16 screws and take out the DC fan from DC FAN...
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Page 7: Wire Location
WIRE LOCATION After replacement of the modules refer to the below diagram to mount ferrites and connect the modules again. Note: “RA” connectors are only fitted in 42WS90E2. First issue 03 / 01... -
Page 8: Diagnostic
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 See page 9... - Page 9 42WS90E-42WS90E2 Power LED unlit Is the power plug correctly Rearrange the power plug connected to the wall outlet? connection correctly. Fuses F1 and F2 have blown Is there AC 100V behind out. Replace the fuses. If they the fuses F1 and F2?
- Page 10 42WS90E The power LED is flashing green Failure in the Is 0V observed at Pin 4 of IC6800 (ANALOG module)? ANALOG module Is 0V observed at Failure in fan's peripheral Failure in the pin 1 of pin 2 of area of the set...
- Page 11 42WS90E The power LED is flashing red Failure in the Is 0V observed at Pin 57 ANALOG module of IC6800 (ANALOG module)? Is 0V observed at pin 5 Failure in the of IC6808 (ANALOG module) ? ANALOG module Failure in the...
- Page 12 42WS90E-42WS90E2 The power LED is fla- shing red and green Failure in the Is 0V observed at Pin 14 of ANALOG module IC6800 (ANALOG module)? Failure in the In the case of green and red flashing, the power supply PDP module cannot be reset with the OFF/ON operation at the mains power supply, remote control, and wall outlet.
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Page 13: No Video Screen Display
VIDEO TROUBLESHOOTING 42WS90E-42WS90E2 No video screen display Enter a color bar signal input Is there on-screen See page 18 display of VIDEO? With the signal line discon- Is there a video signal at nected, is there a video signal Failure in signal source... -
Page 14: No Rgb /Pc Screen Display
42WS90E-42WS90E2 No RGB / PC screen display Enter a VGA or SVGA color bar signal input. Is there on-screen See page 18 display of "PC"? Is there horizontal sync at Is the LED litting green? Failure in signal line Pin 13 of M1006 socket, or... -
Page 15: No Hd/Dvd Screen Display
42WS90E-42WS90E2 No HD / DVD screen display Enter a color bar signal input Is there on-screen See page 18 display of "HD" or "DVD"? With the signal line discon- Is there a video signal at nected, is there a video signal... - Page 16 42WS90E-42WS90E2 No video in NTSC mode Is Y signal available at TP9003? Is there a video signal at TP9007? Is there a video signal at Pin Failure in the 1 of the YC connector? VIDEO module Failure in the VIDEO I/O module...
- Page 17 42WS90E-42WS90E2 No video in PAL mode Is Y signal available at TP5004? Is there a video signal at TP5030? Is there a video signal at Pin Failure in the 1 of the YC connector? VIDEO module Failure in the VIDEO I/O module...
- Page 18 42WS90E-42WS90E2 No display, ANALOG module analysis Is there a video signal at TP6139, TP6140 and TP6141? Is there a signal of 5Vp-p at Pins 1 ~ 47 of the AD connector (odd-numbers only)? Is there a clock signal at Pin...
- Page 19 42WS90E-42WS90E2 Synchronisation trouble Enter a color bar signal input Is there a synchro. signal at Pins Is it a VIDEO input? Is it a HD/DVD input? 8 and 10 of the PC connector? Is there a video signal at Pin...
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Page 20: No Audio Signal From Sp Output
AUDIO TROUBLESHOOTING 42WS90E-42WS90E2 No audio signal from SP output Is audio signal available at Failure in the AUDIO module at TP3001 and TP3002? Is audio signal available at pins Failure in the 1 , 3 , 4 , 6 , 8 , 10 of IC4001? -
Page 21: Adjustment
ADJUSTMENTS ADJUSTMENTS NECESSARY AFTER REPLACEMENT OF MODULES: - After replacement of ANALOG module, perform the adjusments of "Video level" and "Video screen position". - After replacement of VIDEO module, perform the adjusments of "video level" and "video screen position". - After replacement of POWER or PDP module, perform the adjusment of "-180V and +180V" and "+5V". Replacing another module does not require further adjustment unless abnormal conditions are encountered. -
Page 22: Video Level
TP6141 (G-OUT) NTSC colour bar test pattern SERVICE Adjust "COLOR" line to obtain a blue level : MODE 1.2Vp-p (42WS90E) or 1.4 Vp-p (42WS90E2) Video input "D-CONTROL Adjust "TINT" line to obtain a blue level : TP6140 NTSC" menu 1.2Vp-p (42WS90E) or 1.4 Vp-p (42WS90E2) - Page 23 Check that Pedestal level is 1.8Vp-p, if not perform (B-OUT) adjustment of sub-contrast TP6141 (G-OUT) PAL colour bar test pattern SERVICE Adjust "COLOR" line to obtain a blue level : MODE 1.2Vp-p (42WS90E) or 1.4 Vp-p (42WS90E2) Video input "D-CONTROL White Cyan Magenta Blue Black TP6140 Linearly decreases PAL"...
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Page 24: Sub-Brightness
VGA input Apply colour bar test pattern POWER +5V ADJ Adjust "+5V ADJ" : to either Video, HD/DVD or VGA input V = 5.0 V +/- 0.1 V (42WS90E) V = 5.1 V +/- 0.1 V (42WS90E2) First issue 03 /01... -
Page 25: Analog Module (42Ws90E)
ADJUSTMENT LOCATION ANALOG module 42WS90E IC6000 TP6130 (R) IC6301 VR6104 TP6115 TP6136 TP6137 TP6138 VR6103 IC6001 TP6117 IC6003 IC6300 TP6070 (GND) TP6139 TP6141 TP6140 IC6073 (R-OUT) (G-OUT) (B-OUT) SW6501 SW6500 SW6550 IC6702 IC6805 First issue 03 / 01... - Page 26 42WS90E2 TP6300 TP6301 IC6102 TP6072 IC6000 TP6100 IC6117 IC6301 IC6111 IC6701 IC6003 IC6001 IC6109 TP6201 TP6203 IC6004 IC6300 IC6700 IC6104 IC6105 TP6138 TP6111 IC6511 TP6112 TP6117 VR6104 IC6112 IC6113 IC650 IC6106 TP6140 TP6141 TP6139 (B-OUT) (G-OUT) (R-OUT) VR6103 IC6116 IC6115 IC6114 TP6115 IC6510...
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Page 27: Video Module
VIDEO module 42WS90E - 42WS90E2 TP5022 (GND) TP5002 IC5001 IC5002 IC9006 IC9001 IC9002 TP5001 TP5021 (GND) IC9003 TP5003 (GND) TP5015 TP5014 TP9013 TP5016 DL5001 TP5009 PWC-4213A TP5001 IC5008 VIDEO TP5003 PWC-4213B VI/O RGB-IN EXT-CONT S-VID AUDIO module 42WS90E - 42WS90E2... -
Page 28: Power Module
POWER module 42WS90E TP5 TP6 D-180V D+80V D+5V ADJ AC Inlet 42WS90E2 TP5 TP6 D+180V D+80V D+5V ADJ AC Inlet First issue 03 /01... -
Page 29: I/O Module (42Ws90E)
BLOCK DIAGRAMS I/O module 42WS90E - 42WS90E2 First issue 03 / 01... -
Page 30: Analog Module (42Ws90E)
ANALOG module 42WS90E First issue 03 /01... -
Page 31: Analog Module (42Ws90E2)
ANALOG module 42WS90E2 First issue 03 / 01... -
Page 32: Video Module
VIDEO module 42WS90E - 42WS90E2 First issue 03 /01... -
Page 33: Audio Module
AUDIO module 42WS90E - 42WS90E2 First issue 03 / 01... -
Page 34: Power Module
POWER module 42WS90E - 42WS90E2 First issue 03 /01... - Page 35 NOTES : ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- 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- Page 36 Dopravaku - dum Genius 1 Tel. : 01 41 86 60 00 Dolni Chabry Minitel : 3616 ou 3623 TCEDS CZ - 18400 Prague 8 Internet : http://www.thomson.fr Tel. : (2) 688 67 70 THOMSON multimedia Hungary KFT Lajos u. 78. II.em.
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