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Technicolor - Thomson 42WB02S, Service Manual

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Technicolor - Thomson 42WB02S Service Manual Download Page 10

10

First issue 06 /03

TROUBLESHOOTING

No power

Switch the

power on

Check "Power Imput" module

Check Panel Power Supply

Not correct

Correct

Not correct

Correct

Replace 

"Power input" 

module

Replace 

Panel Power 

Supply

Replace Standby 

& Audio Power 

Supply

End

End

End

Summary of Contents for 42WB02S

Page 1: ...mmung zulässig Alle Rechte vorbehalten I diritti di 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 Vo...

Page 2: ... selected PR 01 DC voltages measured between the point and earth using a digital voltmeter EMPFÄNGER Bei UHF Eingangspegel 1 mV Farbbalken PAL Norm G Weiss 100 Über die Scartbuchse Eingangspegel 1 Vss Farbbalken Farbe Kontrast Helligkeit in der Mitte des Bereichs Ton auf Minimum Zugeordnetes Programm PR 01 Gleichspannungen mit einem digitalen Voltmeter zur Masse gemessen RECEPTEUR En UHF niveau d ...

Page 3: ...TS Power adjustment location 15 Power 15 Color temperature in DVI mode 16 Color temperature in RGB mode 18 BLOCK DIAGRAM 20 SCHEMATIC DIAGRAMS Sub woofer 21 Video system regulator power 22 Digital system CPU EEPROM I O 23 OSD USB RS232 24 HSYNC SW CLOCK 25 Buffer panel connector 26 Image scaling 27 Image SDRAM 16 M 28 Flat panel interface 29 Panel link receiver DVI 30 VGA I O 31 Audio circuit 32 V...

Page 4: ...acing between the picture tube and the cabinet mask 2 excessively wide cabinet ventilation slots and 3 an improperly fitted and or incorrectly secured cabinet back cover c Leakage Current Hot Check With the instrument completely reassembled plug the AC line cord directly into a 230V AC outlet Do not use an isolation transformer during this test Use a leakage current tester or a metering system Wit...

Page 5: ...t protection c Some Projection Monitor chassis have a secondary ground system in addition to the main chassis ground This secondary ground system is not isolated from the AC power line Insulating material that must not be defeated or altered electrically separates the two ground systems 5 Observe original lead dress Take extra care to assure correct lead dress in the following areas a near sharp e...

Page 6: ...Specification of screw driver is 15 2kg see fig 1 Push the Leg Tube Assembly downward to unlock and pull it away from unit then unscrew 4 screws from rear cover Specification of screw driver is 15 2 kg 6 First issue 06 03 Fig 1 Fig 2 HOW TO EXCHANGE THE MASK PANEL PROCEDURE ...

Page 7: ...ar cover and unscrew 2 screws from AC power socket see red arrow Specification of screw driver is 9 1 kg Unscrew 4 screws from rear cover see red circle Specification of screw driver is 15 2 kg 3 Removing the screws from panel Unscrew 20 pieces of screw from panel site Specification of screw driver is 15 2 kg 10 screws 12 screws 4 screws Fig 3 20 screws Fig 4 ...

Page 8: ...m mask Specification of screw driver is 15 2 kg then remove four angles that hold the PDP filter Be careful Please do not bump or scrape when handling the PDP filter Before putting panel back clean PDP filter make sure it s free from dust Unscrew 3 screws and remove control board 3 screws Fig 6 Fig 7 J5 Fig 5 ...

Page 9: ...o aim at red arrow to guide and there is have a channel when you put down glass back to new mask Assemble 4 irons back to mask Be careful When you lock up 4 irons that screws should be to lock up on SL G point 6 Proceed in reverse order to re assemble Control buttons Fig 8 Fig 9 Top side Top bottom Fig 10 ...

Page 10: ...ESHOOTING No power Switch the power on Check Power Imput module Check Panel Power Supply Not correct Correct Not correct Correct Replace Power input module Replace Panel Power Supply Replace Standby Audio Power Supply End End End ...

Page 11: ...First issue 06 03 11 No picture Check Image board Not correct Correct Replace Image board Replace PDP module End End ...

Page 12: ...Check Interface Board Z Check X Amp Board Left Not correct Correct Not correct Correct Replace Interface Board Z Replace X Amp Board Left Replace PDP module End End Check X Amp Board Right Not correct Correct Replace X Amp Board Right End End ...

Page 13: ... Check Interface Board Y Check Y Amp Board Top Not correct Correct Not correct Correct Replace Interface Board Y Replace Y Amp Board Top Replace PDP module End End Check Y Amp Board Bottom Not correct Correct Replace Y Amp Board Bottom End End ...

Page 14: ...mmand Switch the power on Check remote control Check Front Button Control Board Not correct Correct Not correct Correct Replace the battery or the remote control Replace Front Button Control Board Replace Image Board End End End ...

Page 15: ...0V 4 Check voltage between check point and ground 5 Adjust sequence VA VS Vy and Vset_up Panel exchange the main power board adjust voltage for each Mode Digital Voltage meter the negative to get main power board GND PCB pin 1 Digital Voltage meter the anode to get main power board Va CN805 or CN806 Va Connect pin Adjust VR Va 75 0 3Vdc 2 Digital Voltage meter the anode to get main power board Vs ...

Page 16: ...DC 5Vdc 15Vdc Color Temperature Adjustment 1 1 Color Temperature setting in DVI Mode 1 Turn on PDP set and warm up for over 30 minutes 2 Turn on Color Analyzer CA 100 and reset CA 100 3 Switch PDP input signal source to DVI mode 4 Set up Video Pattern Generator Astro Model VG 828H Timing set 640 x 480 60Hz Video Panel Link the DVI output mode Connect PDP DVI input connector with Astro to receive D...

Page 17: ...anel module The color temperature factory setting OSD menus are as the following Note When adjusting the color temperature please note what is the input source and what input the PDP is the input source and the PDP input mode should be the same 7 Put the color analyzer CA 100 in the center of the screen 1 2 Adjusting procedure 1 Receive Astro VG 828H DVI dark level center block signal 10 IRE follo...

Page 18: ...ture setting in RGB Mode 1 Turn on Color Analyzer CA 100 and reset CA 100 2 Switch PDP input signal source to RGB mode 3 Set up Video Pattern Generator Astro Model VG 828H Timing set 640 x 480 60Hz Video Analog the RGB output mode Connect PDP RGB input connector with Astro to receive RGB signal 4 Dark level and bright level center block definition A Dark level center block definition WINDOW Mode F...

Page 19: ...lease set Astro VG 828H RGB bright level center block signal to 60 IRE A Press Zoom or Zoom key in remote control to select G GAIN and adjust Y 40 2FL B Press Zoom or Zoom key in remote control to select R GAIN and adjust x 308 15FL C Press Zoom or Zoom key in remote control to select B GAIN and adjust y 298 15F D Adjust R G B GAIN make sure the final value x 308 15FL y 298 15FL Y 40 2FL 4 When yo...

Page 20: ... NEL M O DULE Logic Bo ard VG A IN DVI IN RS232 IN Audio A m plifie r Board In terface Board Z X A m p B oard Right AC M aster Po w er Sw itch Bo ard X A m p B oard Left Po w er Input Module A C IN Y A m p Board Top Im age Bo ard P A NEL Z DRV Y A m p B oard B otto m Standb y Au dio Pow er Supply Board Interface Board Y P A NEL Y DRV ...

Page 21: ...CS 1 47uF 16V GN D 5V 12V_0 RS 7 10K 1 16W 1 2V C C IC S2 TC 4W 53F U 1 2 3 4 8 7 6 5 CO M IN H VEE VSS VD D CH0 CH1 AD R Lc h RS 5 47K 1 16W SU B_ W F R MU TE _1 SUB_WOOFE R O UT SMD CS 4 0 1uF 16V CS 5 0 047 uF 16V 5V GN D 12V_0 RS 6 10K 1 16W RS 4 47K 1 16W RS 2 22K 1 16W Lc h Rc h RS 3 47K 1 16W MU TE _1 1 2V C C CS 3 10uF 16V ...

Page 22: ...D D D C 321 100uF 16V D D C 316 0 01uF 50V P5V U6 2 BA033 1 2 3 VI N GN D VOU T D D D U6 0 BA033 1 2 3 VI N GN D VOU T C 330 0 01uF 50V D C 326 0 01uF 50V C 312 10uF 16V C 324 10uF 16V C 315 0 1uF 25V Z D V33SB D U6 3 BA033 1 2 3 VI N GN D VOU T C 311 100uF 16V V33 D D D C 318 0 01uF 50V D C 329 0 1uF 25V Z P5V SB5V P5V V33P C 322 10uF 16V D C 331 0 1uF 25V Z C 310 10uF 16V C 313 0 1uF 25V Z D C 3...

Page 23: ... O28 I O29 I O30 I O31 I O0 I O01 I O02 I O03 I O04 R2 N 1 5K 1 16W T C19 120PF 50V SB5V_M P7 A1 A3 ST ANDBY U7 Socket I1177 108 1 2 3 4 5 6 7 8 C13 10uF 16V RP2 10K o hm 1 8 2 7 3 6 4 5 TD O P0 A16 R9 47 1 16W SB5V D RDn_DPT V SCART _CT L1 SDA0 NM I PLLCLK A9 R22 10 1 16W R70 N 0 1 16W D SB5V C9 10uF 16V JP1 N HEADER 3 X2 12 34 56 SB5V_CPU SB5V_CPU R45 N 560K 1 16W SB5V_CPU SB5V_CPU RP1 10K o hm ...

Page 24: ... 8W S 3 R68A 33 1 16W R6 1 47 1 16W R6 6 100 1 16W D D DT EN P 5 L6 0 1 8W D D R5 7 N 1K 1 16W G 1 U1 1 MTV130 8 7 6 5 4 3 2 1 9 10 11 12 13 14 15 16 SC K SD A SSB HF LB VD D NC XI N VSS VD D VF LB INT FB KG B OUT G O UT R O UT VSS SC L2 P 1 4 7 18 VSY NC O P 4 5 SC L2_ 33 SD A2 P 1 4 7 18 SD SB5V CT S R6 4 N 220 1 16W R6 8 N 33 1 16W IIC ADDR A2 H W A3 H W SD A2 TP 23 D DS R T C2 2 12PF 50V V33SB...

Page 25: ...S PI H S P 5 U1 5 74LVC 157 2 3 5 6 11 10 14 13 1 15 4 7 9 12 16 8 1A 1B 2A 2B 3A 3B 4A 4B A B G 1Y 2Y 3Y 4Y VC C GN D FG VS R8 1 33 1 16W U1 6 IC S9161A 13 3 6 7 5 1 2 4 8 9 10 11 12 14 15 16 VD D AVD D X1 X2 GN D SEL0_C LK SEL1_D AT A OE MC LK VC LK E RRO UT EX TC LK INIT 0 INIT 1 EX TSEL PD POC LKOSD P 2 D D PLLC LK P 1 POC LK L13 0 1 8W T C5 3 N 47PF 50V R7 8 33 1 16W R8 3 33 1 16W PLLH SO P 7...

Page 26: ...N13 TxIN14 GND GND GND GND PLL GN D Tx IN26 Tx IN23 Tx IN24 Tx IN25 PWR D WN Tx IN16 Tx IN17 Tx IN15 Tx IN18 Tx IN19 Tx IN20 Tx IN21 Tx IN22 PLL GN D L VDS GND L VDS GND L VDS GND GND T xCLKOUT TxCLKOUT T xO UT 0 TxOUT0 T xO UT 1 TxOUT1 T xO UT 2 TxOUT2 T xO UT 3 TxOUT3 RP42 N 0 1 8 2 7 3 6 4 5 D BROUT 4 BPC LKO TP0 BRROUT 7 BRBOUT 6 T C371 4 7PF 5 0V L50 ON R347 N 0 1 16W BBO UT 3 R131 N 0 1 16W ...

Page 27: ...MD13 MD14 MD15 MD16 MD17 MD18 MD19 MD20 MD21 MD22 MD23 MD24 MD25 MD26 MD27 MD28 MD29 MD30 MD31 MD32 MD33 MD34 MD35 MD36 MD37 MD38 MD39 MD40 MD41 MD42 MD43 MD44 MD45 MD46 MD47 CS RAS CAS MWR DQ M0 DQ M1 MCLKSEL MCLK VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD AVDD VDD AG ND GN D GN D GN D GN D GN D GN D GN D GN D GN D GN D ...

Page 28: ... RA S CA S WE CL K CK E NC NC RFU DQ 0 DQ 1 DQ 2 DQ 3 DQ 4 DQ 5 DQ 6 DQ 7 DQ 8 DQ 9 DQ 10 DQ 11 DQ 12 DQ 13 DQ 14 DQ 15 VD D VD D VD D Q VD D Q VSS VSS VSS Q VSS Q VSS Q VD D Q VD D Q VSS Q MD _IP17 MD _IP19 C8 6 100 uF 16V UD Q M MA _IP0 W R n_I P MA _IP3 MA _IP2 MD _IP4 MD _IP15 MD _IP9 MD _IP32 MD _IP18 MA _IP1 MD _IP 0 47 P 5 MD _IP7 MA _IP2 UD Q M VD R AM MA _IP12 MD _IP38 MA _IP3 C8 9 0 1uF ...

Page 29: ...oh m 1 8 2 7 3 6 4 5 V33AD C D RP 11 33 oh m 1 8 2 7 3 6 4 5 RP 15 33 oh m 1 8 2 7 3 6 4 5 DB A1 GB G RN 0 C1 22 0 1uF 25V Z D PI HSS P 3 PI D 32 39 P 5 8 GB BLU 2 C1 02 0 1uF 25V Z V33AD C C9 9 10u F 16V R4 8 N 0 1 16W GB G RN 1 GB BLU 0 DG A5 V33SB V33PLL SC L2 P 1 2 4 18 DR A5 DB B6 GA R E D4 C1 36 0 1uF 25V Z U3 1 BA033 1 2 3 VI N GN D VO U T GA BLU 6 C1 15 10u F 16V DA TAC K P 3 GB R E D6 DG ...

Page 30: ...P31 33 o hm 1 8 2 7 3 6 4 5 QO16 QE21 T C150 330PF 50V C143 10uF 10V M RP 45 R249 R231 Q20 Q21 QO 5 R251 N 10K 1 16W SCLDVI OCKINV T C154 100PF 50V O Part s PID 0 7 P 5 7 RXCN T MDSD4N X R141 N 0 1 16W X C158 10uF 16V R119 10K 1 16W DVI_VS P 3 RX2P T C144 330PF 50V X PPP5V QE2 R125 10K 1 16W TP 80 QO 6 Si I1 61B TP 83 QO 2 SCL169 RX1N T C153 100PF 50V ST SD A T MDSCN X R126 N 1K 1 16W PIXS QE11 QE...

Page 31: ... 16W R147 75 1 16W Q44 2SC2412KBQ R326 0 1 16W V SB5V_VO C163 0 01uF 50V R153 470K 1 16W SB5V_V R149 75 1 16W VGA OUT C410 47uF 16V C179 47uF 16V V F11 0 1 8W F5 0 1 8W D22 BAV99 1 3 2 V VGA_BIN D30 BAV99 1 3 2 C385 4 7uF 35V VGA_VSIN SB5V_VO SB5V_V D20 BAV99 1 3 2 F18 0 1 8W V C165 47uF 16V C388 0 068uF 16V U35 AT 24C21 1 2 3 4 5 6 7 8 A0 A1 A2 VSS SDA SCL TE ST VCC SB5V_V SCL_RG B BOUT V Q9 2SC2...

Page 32: ...2uF 50V SDA2 R27 2 2K 1 16W R24 2 7K 1 16W GND C54 330uF 16V L_OUT SPK_CT L R34 100 1 16W R8 220K 1 16W C55 1uF 10V Z CR99 0 01uF 50V C33 4 7uF 50V RR2 2 2 1 2W Q3 DT C144E KA SU RR2 R47 6 8K 1 16W R 1 VA RIO P 0 FIX O P C5 10uF 50V RR10 10K 1 16W ICA3 HE F405 2BT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Y0 Y2 Y COM Y3 Y1 INH VEE VSS B A X3 X0 X COM X1 X2 VDD C41 4 7uF 50V 5V SB5V RR13 2 2K 1 16W R3...

Page 33: ... SU R R 1 P 1 C 421 0 1uF 25V Z 9V SB F2 6 N 0 1 8W D S3_ L R_ IN J1 5 C P0054 JJST 1 2 3 4 SV 2_SW C 234 47uF 16V V C 347 N 0 1uF 25V Z S3_ C F2 1 120 C 411 N 220 uF 16V 5VSB D V R7 4 47K 1 16W L32 N 0 1 8W C 238 47uF 16V V C 419 0 1uF 25V Z L33 0 1 8W J2 2 N CO N6 1 2 3 4 5 6 5VSB D D C 336 0 1uF 25V Z C 413 N 0 1uF 25V Z J6 B P10 79 1 2 5 6 7 8 D V LG _VS C 240 47uF 16V C 343 100uF 16V D 5VSB F...

Page 34: ...1 3 2 VO L S3 SW A1214 SB_LE D POWER R1 69 7 5K 1 16W F R1 74 3 3K 1 16W R1 73 1K 1 16W R1 68 3 3K 1 16W 5VSB_ F P R1 72 1K 1 16W RC _O U T U3 9 93M2BKF 1 2 3 MA NU S8 SW A1214 S4 SW A1214 S6 SW A1214 N O N E 3 2V S 1 0V S 2 0 4V S 3 0 8V S 4 1 2V S 5 1 6V S 6 2 0V SW _O U T R1 77 820 1 16W R1 70 680 1 16W F JA 3 C P0316 E JST 1 2 3 4 5 6 R1 75 470 1 16W C2 37 100uF 10V M R1 67 1 5K 1 16W C2 35 10...

Page 35: ...e Le Gallo 92648 Boulogne cedex Tel 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 ...

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