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THOMSON LCD03B Service Manual
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THOMSON LCD03B Service Manual

THOMSON LCD03B Service Manual

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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 :357 510 10
- 0304 / 6M -LCDB03B Print.
No copying, translation, modification on other use authorized. All rights reserved worldwide. • Tous droits de reproduction, de traduction, d'adaptation et d'exécution réservés pour tous les pays. • Sämtliche Urheberrechte an diesen Texten und Zeichnungen stehen uns zu. Nachdrucke,
Vervielfältigungen - auch auszugsweise - nur mit unserer vorherigen Zustimmung 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.
LCD03B

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Summary of Contents for THOMSON LCD03B

  • Page 1 SERVICE MANUAL DOCUMENTATION TECHNIQUE LCD03B 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.
  • 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 2 - La descrizione dei telai El cuadro siguiente agrupa: 1 - El entorno electrónico de cada chasis (módulos) y el número de página donde está descrito. 2 - La designación de los chasis Chassis LCD03B Reference Information Desassembly. Service...

  • Page 4: Main Board

    14 pin Main Board 60 pin golden finger D-Sub Audio Input Audio Line Out 60 pin 14 pin De-Interlace Video Chipset Decoder Teltext Video Board PW1230 VPC3230D SDA555XFL SCART S-Video Composite L/R Audio Video Input LCD03B First issue 10 / 03...
  • Page 5 14 pin 80 pin golden finger D-Sub Audio Input Audio Line Out 80 pin 14 pin De-Interlace Video Chipset Decoder Teltext PW1230 VPC3230D Video Board SDA555XFL SCART S-Video Composit e L/R Audio Video Input LCD03B First issue 10 / 03...

  • Page 6: Disassembly Process

    Disassembly process 15LCDM03B Page N°1...
  • Page 7 15 " LCD TV Revision 1.0 Page N°2...
  • Page 8 15 " LCD TV Revision 1.0 Page N°3...
  • Page 9 15 " LCD TV Revision 1.0 Page N°4...
  • Page 10 15 " LCD TV PC board Slider to extract Power board The AV module AV module : video and tuner boards Revision 1.0 Page N°5...
  • Page 11 15 " LCD TV Revision 1.0 Page N°6...
  • Page 12 15 " LCD TV Revision 1.0 Page N°7...
  • Page 13 15 " LCD TV Revision 1.0 Page N°8...
  • Page 14 15 " LCD TV Revision 1.0 Page N°9...
  • Page 15 15 " LCD TV Revision 1.0 Page N°10...
  • Page 16 15 " LCD TV Revision 1.0 Page N°11...
  • Page 17 15 " LCD TV Revision 1.0 Page N°12...
  • Page 18 Disassembly process 20LCDM03B Page N°1...
  • Page 19 20 " LCD TV Revision 1.0 Page N°2...
  • Page 20 20 " LCD TV Revision 1.0 Page N°3...
  • Page 21 20 " LCD TV Revision 1.0 Page N°4...
  • Page 22 20 " LCD TV Boards overview PC board Power board Inverter board Earphone board Power board Control board AV module Revision 1.0 Page N°5...
  • Page 23 20 " LCD TV Revision 1.0 Page N°6...
  • Page 24 20 " LCD TV Revision 1.0 Page N°7...
  • Page 25 20 " LCD TV AV module Revision 1.0 Page N°8...
  • Page 26 20 " LCD TV Revision 1.0 Page N°9...
  • Page 27 20 " LCD TV Revision 1.0 Page N°10...
  • Page 28 20 " LCD TV Revision 1.0 Page N°11...
  • Page 29 20 " LCD TV Revision 1.0 Page N°12...
  • Page 30 20 " LCD TV Revision 1.0 Page N°13...
  • Page 31 Auto Turn on Ver 09171I Ver 09171I Auto Turn on Naviagation up Naviagation down - “Change“ value - Réglage de la valeur > VALUE - Wert “änden“ - “Cambiare“ valore < VALUE - “Cambiar“ valor LCD03B First issue 04 / 04...

  • Page 32: Auto Turn On

    Wandlers des PC-Eingangs 6. Auto Turn On: Aktivierung des automatischen Einschalten des Gerätes über den PC-Eingang. (nur für den Burn-In in der Farbrik vorgesehen). 7. Grün markierte Felder: Software-Version Tuner, Compiler-Daten, interne Modellbezeichnung, Version der Hauptsoftware. LCD03B First issue 04 / 04...

  • Page 33: Osd Position

    14. Tuner Get V-Level: nicht benutzt 15. Set First Installation: „Enable“ lässt beim nächsten Einschalten des Gerätes nach einer Netztrennung das Installationsmenü erscheinen. 16. Tuner Set Factory Programs: nicht benutzt. 17. Exit: Verlassen des Service-Modes. LCD03B First issue 04 / 04...
  • Page 34 Pw Gamma Automatic Scale Mode VPC AGC ON VPC AGC OFF HV Lock Sensitivity - 123 - Color Delay - 123 - - 123 - Audio Gain Pb Offset NotEnabled... - 123 - - 123 - Pr Offset Enter PW1230 Adjustment Page... Page3 on service mode 18.
  • Page 35 33. Reset All Nvram: Drücken der „OK“-Taste setzt alle Parameter im Service-Mode ( auch Farbtemparatur, Helligkeit usw.) zurück. 34. Test Pattern: Zeigt ein vom Scaler erzeugtes Testmuster auf dem Bildschirm. Nur im PC-Mode. 35. H.Position: Horizontallage für PC-Eingang. 36. V.Position: Vertikallage für PC-Eingang. LCD03B First issue 04 / 04...
  • Page 36 41. HXV Res / HFreq:Timing-Information (Auflösung und H-Clock) 42. HXV Total: Timing Information 43. Mode Num Timing Information 44. DCLK: Timing Information Data Clock 45. Factory Save: Daten des Service-Modes speichern. 46. Grün hinterlegtes Feld: Version Tuner-Software LCD03B First issue 04 / 04...
  • Page 37 KP D5 TP 13 TP 14 TP 15 20L 0BI KEY PA D BOAR 48.M2302.A00 Optical Points W ednesday , Septem ber 24, 2003 HOLE -V8 HOLE -V 8 OP10 OP11 OP12 OP13 OP14 LCD03B First issue 10 / 03...
  • Page 38 TP 5 KP D0 TP 6 KP D1 TP 7 KP D2 TP 8 KP D3 TP 9 KP D4 TP 10 KP D5 20L1033012 20L1033010 IR BOARD HO LE-V 8 HOL E-V8 Optical Points LCD03B First issue 10 / 03...
  • Page 39 1. Resistor values are in ohm, K = 1,000 ohm, M = 1,1000 000 ohm 2. All resistors are SMD 0603 5% exept where otherwise indicated S_GND 3. All capacitors are SMD 0603 5% exept where otherwise indicated Represents PCB common ground LCD03B First issue 10 / 03...
  • Page 40 DC - DC CONVERTER SCHEMATIC DIAGRAM - SCHEMA CONVERTISSEUR DC -DC -SCHALTBILD GLEICHSTROMUMFORMER - SCHEMA CONVERTITORE CC - CC ESQUEMA CONVERTIDOR CC - CC ( DC/DC 15” ) POWER_ON CN702 CN701 PWR-JACK LCD03B First issue 10 / 03...
  • Page 41 1. Resistor values are in ohm, K = 1,000 ohm, M = 1,1000 000 ohm 2. All resistors are SMD 0603 5% exept where otherwise indicated 3. All capacitors are SMD 0603 5% exept where otherwise indicated Represents PCB common ground LCD03B First issue 10 / 03...
  • Page 42 INVERTER SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE INVERSEUR - SCHALTBILD INVERTER - SCHEMA INVERTER - ESQUEMA DEL INVERSOR ( INVERTER 15” / 20” ) CN601 CN603 CN604 CN602 LCD03B First issue 10 / 03...
  • Page 43 Proj ct Code Model N am e 99.M127 5.001 20L03B Tuesday, Sept ember 23, 200 Optical Points HOLE-V8 HOLE- V8 HOLE- V8 HOLE-V8 HOLE- V8 OP10 OP1 1 OP1 2 OP1 3 OP1 4 OP15 OP16 LCD03B First issue 10 / 03...
  • Page 44 R2 8 [P.4] 42 OHM GHSSOG 1N4148 C2 9 C3 0 74LVC1G 126 LD1117-3.3 R2 9 0.1U K 47 U 1N4148 C3 1 RCX2 V D33 220 P 50V J 74LV123PW R3 1 221K F LCD03B First issue 10 / 03...
  • Page 45 VCPU 33 C 359 0.1U K [P.1] DECOE [P.7] PWR_ ON [P.3] LED1_SE L [P.3] LED2_SE L [P.4] CS1 n CL K R1 26 VCPU 33 74LVC27 3 C 360 10 U 16 V LCD03B First issue 10 / 03...
  • Page 46 0.1U K 0.1U K 0 .1U K 0.1U K 0.1U K 0.1U K 0.1U K 0 .1U K 0.1U K 0.1U K 0 .1U K 0 .1U K 0.1U K 0.1U K 0 .1U K LCD03B First issue 10 / 03...
  • Page 47 D BE3 RN 17 D R 4 D BE4 D R 5 D BE5 D R 6 D BE6 D R 7 D BE7 RN 18 CN 21 CN 20 22 P 22 P LCD03B First issue 10 / 03...
  • Page 48 0.1U K 5600P K 5600P K BIN R 50 V 50 V 0.1U K BOUTR BIN L BOUTL 5.6K C 101 I2C Add 0x88 0 .1U K C1 05 0 .1U K R8 1 5.6K LCD03B First issue 10 / 03...
  • Page 49 (For EMI) (For EMI) 301F C1 17 16 V +12 V V C C VI N VOUT TP2 3 TP24 C 119 C 118 C 120 LD1117-3. 3 0.1U K 16 V 0.1U K LCD03B First issue 10 / 03...
  • Page 50 PC BOA GF-80Pin 48.M 2305 .A00 onday, September 08, 2003 Optical Points HO LE-V 8 HO LE-V 8 HO LE-V 8 HO LE-V 8 HO LE-V 8 OP10 OP11 OP12 OP13 OP14 OP15 OP16 LCD03B First issue 10 / 03...
  • Page 51 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K LCD03B First issue 10 / 03...
  • Page 52 48.M 2305 .A00 C359 74LVC 273 PC BOARD VCPU33 C 362 0.1U K U 22 [P. 1] DECOE [P. 7] PWR_ON [P. 3] LED1_SEL [P. 3] LED2_SEL [P. 4] CS1n R126 VCPU33 74LVC 273 C 360 LCD03B First issue 10 / 03...
  • Page 53 C7 5 C7 6 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K LCD03B First issue 10 / 03...
  • Page 54 DGE6 DGE7 RN 16 PC BOA RD CN 19 CN 18 48.M 2305 .A00 DR[0. .7] DBE0 [P. 4] DBE1 DBE2 DBE3 RN 17 DBE4 DBE5 DBE6 DBE7 RN 18 CN 21 CN 20 LCD03B First issue 10 / 03...
  • Page 55 R524 R525 C548 C543 C545 R516 10 0 R7 2 R521 10 0 48.M 2305 .A00 20L0BI PC BOARD R522 10 0 LINE OUT_ L R523 10 0 LINEOUT_ R Digital GND Analog GND LCD03B First issue 10 / 03...
  • Page 56 0.1U K R8 4 301F C117 10 U U1 8 VOUT C119 C 118 C120 LD1117-3. 3 0.1U K 0.1U K +12V TP 23 TP 24 OPEN 20L0BI PC BOA RD 48.M 2305 .A00 LCD03B First issue 10 / 03...
  • Page 57 +5VS TP44 VC C TP45 +9 V +9 V BE AD TEKCON SLOT 60Pin Screw Holes Opti cal Points OP10 OP1 1 OP1 2 OP1 3 OP1 4 HOLE- V8 HOLE-V8 HOLE-V 8 HOLE-V8 LCD03B First issue 10 / 03...
  • Page 58 R2 4 C1 18 330P J 1000 OHM SD_Y_ GND [P.1] 1000 OHM R 235 0.22U K SD_C R_I N 3.3NH [P.1] R2 5 C5 4 3 30 P J 1000 OHM SD _CR_GND [P.1] LCD03B First issue 10 / 03...
  • Page 59 0 .1U K 0 .1U K 0 .1U K 0.1U K 0 .1U K 0 .1U K 0 .1U K 0 .1U K 0.1U K 0.1U K C 103 C1 02 0.1U K 0.01U K LCD03B First issue 10 / 03...
  • Page 60 S CART_ROUT R110 470 [P.1] [P.5] SCART_L OUT BSN2 0 BSN2 0 Q1 2 C 196 C 197 C 198 C 199 O PEN O PEN OPE N OPE N [P.1] BSN 20 BSN 20 LCD03B First issue 10 / 03...
  • Page 61 R22 1 100K R1 27 [P.1] TV_DET IN2+ OUT2 2N3904 IN2- 1.40V R 222 R2 23 High Active IN3+ OUT3 R 245 R21 8 R 219 IN3- 6.8K 3.9K IN4+ OUT4 IN4- LMV3 24M LCD03B First issue 10 / 03...
  • Page 62 16 V 16 V R1 70 681F C 166 16 V +3. 3VDAC PIN1 1 P IN 30 PIN4 4 C17 3 C17 4 C1 75 0 .1U K 0 .1U K 0.1U K LCD03B First issue 10 / 03...
  • Page 63 2N3904 R198 TEKCON SLOT 80Pin BEAD S crew Holes 20L0BI VIDEO BOARD 48.M 2306 .A00 Optical Points HO LE-V 8 HO LE-V 8 HO LE-V 8 HO LE-V 8 OP10 OP11 OP12 OP13 OP14 LCD03B First issue 10 / 03...
  • Page 64 [P. 1] 1000 OHM SD_Y_ GN D [P. 1] 1000 OHM 3.3NH R235 C4 8 0 .22U K SD_ CR_I N R2 5 C5 4 330P J [P. 1] 1000 OHM SD _ CR_GND LCD03B First issue 10 / 03...
  • Page 65 C 107 C 108 C 109 C 110 C 111 C 112 C 113 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K 0.1U K LCD03B First issue 10 / 03...
  • Page 66 [P. 5] C203 C204 Top View (ST) 20L0BI C201 C202 NC_C0603 NC_C0603 VIDEO BOARD [P. 1] 48.M 2306 .A00 NC_C0603 NC_C0603 SC L W ednesday, September 24, 2003 BSN20 BSN20 [P. 1] BSN20 BSN20 LCD03B First issue 10 / 03...
  • Page 67 IN4+ OUT4 NC_R0603 NC_R0603 1000 OHM IN4- [P .2 ] SCAR T_ RED_IN SC AR T_ RE D [P. 5] R138 LMV3 24M 20L0BI VIDEO BOARD 48.M 2306 .A00 W ednesday, September 24, 2003 LCD03B First issue 10 / 03...
  • Page 68 681F LM317 M 0.1U K 0.1U K R170 681F C 166 +3.3VDA C PI N1 1 PI N3 0 PI N4 4 C 173 C 174 C 175 0.1U K 0.1U K 0.1U K LCD03B First issue 10 / 03...

  • Page 69: Integrated Circuits Block Diagram

    R G B Down Scaler Video Digital Y U V Enhancement Graphic Port 24-Bit Two-Wire Proramming Unit Analog Interface VSync/ Color Blue Output HSync DACs Screen PW1230 Timing Digital Interna Block Diagram Output Data LCD03B First issue 04 / 04...
  • Page 70 CLAMP OUTA 2...9 CLAMP OUTA 12...19 CLAMP OUTA MIDSCV HSYNC DTACK SYNC CO AST PROCESSING HSOUT AND CLOCK CLAMP VSOUT GENERATIO N SOGOU T FILT BYP ASS SERIAL REGISTER SD A AD9883A POWER MANAGEMENT LCD03B First issue 04 / 04...
  • Page 71 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.