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THOMSON LCD12B Service Manual
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THOMSON LCD12B 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 : 358 597 20
- 0305 / 6M - LCD12B - 27", 30", 32" 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 Zeichnunge n 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.
LCD12B
27", 30", 32"

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Summary of Contents for THOMSON LCD12B

  • Page 1 Code : 358 597 20 - 0305 / 6M - LCD12B - 27”, 30”, 32” 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 Zeichnunge n stehen uns zu. Nachdrucke,...
  • 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 LCD12B Reference Information Block Service...

  • Page 4: Block Diagram

    16 pin 10 pin 12 pin 10 pin 12 pin 30 pin 50 pin FFC 50 pin EFC 30 pin LVDS THC63LVDM83A 5 pin 4 pin 12 pin 5 pin 5 pin Keypad Board LCD12B First issue 03 / 05...
  • Page 5 BLOCK DIAGRAM - SCHEMA SYNOPTIQUE - BLOCKSCHALTBILD - SCHEMA A BLOCCHI ESQUEMA DE BLOQUES MM1234+ ADG779 BA7657F SCART 2 SCART 1 LCD12B First issue 03 / 05...
  • Page 6 BLOCK DIAGRAM - SCHEMA SYNOPTIQUE - BLOCKSCHALTBILD - SCHEMA A BLOCCHI ESQUEMA DE BLOQUES LCD12B First issue 03 / 05...
  • Page 7 Ver 09171I Auto Turn on Auto Turn on Ver 09171I Naviagation up Naviagation down - “Change“ value - Réglage de la valeur > VALUE - Wert “änden“ - “Cambiare“ valore < VALUE - “Cambiar“ valor LCD12B First issue 03 / 05...
  • Page 8 Benutzerdaten gelöscht und die Defaultwerte geladen. 5. Calibration: Kalibrieren der Schwarz- und Weißpegel des AD- Wandlers des PC-Eingangs. 6. MV enable: (30") Chip 323 Video-Port (Nur für Entwicklungszwecke, hat keine Funktion sobald der Produktionsmode verlassen wird.) LCD12B First issue 03 / 05...
  • Page 9 16. Tuner Set Factory Programs: nicht benutzt. 17. Fan test: Eine Änderung dieser Grundeinstellung ist nicht empfehlenswert. 17-1. Enter PW1230 Adjustment Page: Abgleich der Parameter des Deinterlacers. Eine Änderung dieser Grundeinstellungen ist nicht empfehlenswert. LCD12B First issue 03 / 05...
  • Page 10 25. Pr offset: ajuste del offset de Pr en la entrada YpbPr. Funktion „Calibration“ auf der Service-Mode Seite 1 durchgeführt werden. Estas 2 funciones anteriores (25,26) serán hechas automáticamente en “Calibration” de la página 1. LCD12B First issue 03 / 05...
  • Page 11 32. Reset All Nvram: Drücken der „OK“-Taste setzt alle Parameter im Service-Mode ( auch Farbtemparatur, Helligkeit usw.) zurück. 33. Test Pattern: Zeigt ein vom Scaler erzeugtes Testmuster auf dem Bildschirm. Nur im PC-Mode. 34. H.Position: Horizontallage für PC-Eingang. 35. V.Position: Vertikallage für PC-Eingang. LCD12B First issue 03 / 05...
  • Page 12 40. HXV Res / HFreq:Timing-Information (Auflösung und H-Clock) 41. HXV Total: Timing Information 42. Mode Num Timing Information 43. DCLK: Timing Information Data Clock 44.SDK: Version des Entwicklungsdebugtools (nur zur Information). 45. Factory Save: Daten des Service-Modes speichern. LCD12B First issue 03 / 05...
  • Page 13 TP 11 KP D4 TP 12 KP D5 TP 13 C1 4 R1 5 TP 14 100U TP 15 2N3904 KEYPAD BOARD Optical Points OP10 OP11 OP12 OP13 OP14 HOLE -V8 HOLE -V 8 LCD12B First issue 03 / 05...
  • Page 14 EMI BOARD F6101 L6101 T4A/250V CY6101 CN6101 R6101A 1000p 270K VZ6101 R6101B CX6101 CX6102 0.47uF 0.68uF 270K L6103 L6104 R6101C L6105 24mH Mainsvoltage 1.1mH 1.1mH 270K CY6102 50HZ / 60HZ L6102 1000p EMI BOARD LCD12B First issue 03 / 05...
  • Page 15 7-Sep-2004 150uH Q7301 PMBS3906 PMBS3904 ON/OFF GND D7304B D7304A R7321 R6320 RB060L RB060L R6323 7.5K 3.3K C6314 U6303 C7305 100uF LM431 470uF R7320 R6321 R7322 5.1K 1.5K 1.1K D6311 1N4148 C7320 0.1uF EGND P-ON LCD12B First issue 03 / 05...
  • Page 16 PC123F1 0.1uF EGND R6415 R7314 U6403 D7305 D7306 R7413 5.1K PC123F1 1N4148 1N4148 R7411 POWER-ON C7415 0.1uF R6416 U7402 R7412 R7317 R7318 LM431 2.87K C7312 0.1uF R7316 R7315 C7313 Q7303 Q7302 10uF PMBS3904 PMBS3904 LCD12B First issue 03 / 05...
  • Page 17 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 AUDIO BOARD Represents PCB common ground LCD12B First issue 03 / 05...
  • Page 18 OP 9 OP10 OP11 OP12 OP13 OP14 OP15 OP16 VC C SP232ECN 4.7K 4.7K G SCL SC L G SDA SD A MAIN BOARD AT24C02A Screw Holes HOLE-V8 HOLE-V 8 HOLE-V 8 HOLE-V8 HOLE-V8 HOLE-V8 LCD12B First issue 03 / 05...
  • Page 19 C173 R179 10 0 2N3904 [P.25/26] AUD_DVI_R R180 U37A 1U K [P .35/36] AUD_PC_ DVI_ R 74HC 4053 R181 R192 R182 OPEN C174 R183 10 0 2N3904 [P.23/24] AUD_PC _R R184 1U K R185 LCD12B First issue 05 / 04...
  • Page 20 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 LCD12B First issue 03 / 05...
  • Page 21 0.1U K 0.1 U K 0.1 U K 0.1U K 0.1 U K 0.1U K 0.1 U K 0.1 UK RE S SDA1 SDA0 GN D V6300L PCA9515D P SDA_5V MAIN BOARD PW R_O N LCD12B First issue 03 / 05...
  • Page 22 TXIN24 TXIN26 C 138 0.1U K RN17 0.1U K TXIN25 [P.29/30] DB[0..7] DBLV 0 T HC63LVDM83A DBLV 1 DBLV 2 DBLV 3 DBLV 4 DBLV 5 DBLV 6 DBLV 7 MA IN BOARD RN18 LCD12B First issue 05 / 04...
  • Page 23 [P.31/32] AUDIO_RESET R128 [P.29/30] [P.39/40] C S1n CL K [P.29/30] C S1n CL K R 131 10 K VCPU33 CL R R130 VCPU33 CL R C 145 74LVC273 MAIN BOARD 10 K 74LVC273 C144 LCD12B First issue 03 / 05...
  • Page 24 Z22 0 R 136 C 159 C 160 681F C 161 LM317M 0.1U K 0.1U K R137 681F + C162 MAIN BOARD VOUT C 163 C 164 C 165 LD1117-3.3 0.1U K 0.1U K LCD12B First issue 03 / 05...
  • Page 25 10 K 10 K +12V +12V_FAN [P.37/38] [P.37/38] FANSPIN1 FANSPIN2 Z22 0 TZMC5V1 TZMC5V1 MAIN BOARD +12V_FAN1 +12V_FAN2 TP72 TP69 TP24 6 TP24 5 [P.37/38] FANSPIN 1 FANSPIN2 [P.37/38] TP14 1 TP24 7 Z22 0 LCD12B First issue 03 / 05...
  • Page 26 TZMC5V1 A UD_COMP_R [P.39/40] TP53 3 A UDIO_L_OUT TP53 4 O PEN R539 [P.39/40] AUDIO_R_OUT TP53 5 22 K A UDI O _L_EAR TP53 6 [P.35/36] AUDIO_R_EAR ZD504 [P.35/36] TZMC5V1 [P.35/36] 20L2055050 [P.35/36] J503 LCD12B First issue 03 / 05...
  • Page 27 C 548 0.22U K 0.1 U K [P.39/40] COMP_CYPY 1500P J C 549 C546 R566 [P.29/30] 390P K R567 330P J MAIN BOARD R572 C 550 0.22U K [P.39/40] C OMP_CRPR C 551 330P J LCD12B First issue 03 / 05...
  • Page 28 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 LCD12B First issue 03 / 05...
  • Page 29 [P.55/56] AUDIO_R_LINE TP16 TP17 [P.45/46] [P.51/52] SCART2_S_Y SCART2_S WI TCH TP18 TP19 [P.51/52] SCART2_S_C TP24 1000P J 1000P J 1 00K 1 00K +9 V VC C TP20 TP21 CONNECTOR BOARD AUDIO MONITOR OUTPUT LCD12B First issue 03 / 05...
  • Page 30 S CART1_VIDEO_OUT TP49 SDA_TV BAV99 0.1 U K 68 K 1000 OHM 2060201207 [P.47/48] SCART1_RED_IN 10U 16V 2N3904 [P.51/52] SCL_5V 68 K Top View (ST) R6 1 [P.51/52] SCART1_RE D S DA_5V CONNECTOR BOARD [P.45/46] LCD12B First issue 03 / 05...
  • Page 31 SCART2_AR_I N REVERSE SCART2_AL_IN SCART2_SWITCH CLK_OUT2 12.4 to 14.1V DATA_OUT2 TP10 TP11 SCART2_S_C_IN TP12 TP13 TP14 SCART2_S_Y_IN BAV99 SCART2_ VD_OUT 1000 OH M Sc rew Holes Optical Points HOLE-V8 HOLE-V8 SCART BOARD 30" 32" LCD12B First issue 03 / 05...
  • Page 32 1000 OH M SCART2_S_Y_IN SCART2_S_Y TP93 TP94 SCART2_LOUT AUD_SCART2_L TP95 TP97 TP96 SCART2_RO UT AUD_SCART2_R TP99 TP98 SCART2_VD_ OUT TP101 TP100 SCART2_S_Y SCART2_SWITCH TP104 TP102 SCART2_DET SCART2_S _C TP103 TP105 SCART BOARD 30" 323 LCD12B First issue 03 / 05...
  • Page 33 C VBS_VD [P.51/52] A UD_PC_L [P.55/56] AUD_PC_ R 0.1 U K 0.1 U K [P.55/56] AUD_COM P_L [P.55/56] AU D_COMP_R AUDIO_L_OUT [P.55/56] AUDIO_R_OUT [P.55/56] A UDI O _L_EAR [P.55/56] AUDIO_R_EAR [P.55/56] [P.55/56] CONNECTOR BOARD LCD12B First issue 03 / 05...
  • Page 34 RGB A in 0.1 U K 0.1 U K 0.1 U K R 145 O PEN RGB B in 1U Z [P.47/48] SCART1_RED R 146 10 K 1U Z [P.53/54] TEXT_R R147 R 148 R 149 LCD12B First issue 03 / 05...
  • Page 35 22 0 SCART2_R OU T C144 10 U 16V S crew Holes Optical Points CONNECTOR BOARD OP10 OP11 OP12 OP13 OP14 OP15 OP16 HO LE-V 8 HO LE-V 8 HO LE-V 8 HO LE-V 8 LCD12B First issue 03 / 05...
  • Page 36 100uF BEAD 70ohm 2012 470K 0.1uF 47uF TV_COMP_OUT 1 H_OSC P_COMP AUDIO_R SCL1 AUDIO_L HSYNC R43 470 SDA1 IRIN TV_VIDEO SYNCOUT SC-OUT-R 100pF 130K SC-OUT-L 0.1uF 2200P VSYNC CON14AP 470K BA7046 AT24C08 TUNER BOARD LCD12B First issue 03 / 05...
  • Page 37 LM358 R5 5 N C C7 0 SC-OUT-R VCCAUDIOAH BEAD 70ohm +8VOP BEAD 70ohm C6 1 C6 0 C6 2 C6 3 10uF 0.1uF 10uF 0.1uF VCCAUDIOA 2.7uH VCCAUDIOD 2.7uH VCCSI F BEAD 70ohm LCD12B First issue 03 / 05...
  • Page 38 Timing 12...19 Digital CLAMP Interna Block Diagram OUTA Output Data MIDSCV HSYNC DTACK SYNC CO AST PROCESSING HSOUT AND CLOCK CLAMP VSOUT GENERATIO N FILT SOGOUT BYPASS SERIAL REGISTER SD A AD9883A POWER MANAGEMENT LCD12B First issue 03 / 05...
  • Page 39 Documentación técnica destinada exclusivamente a los profesionales de mantenimiento Thomson multimedia Scandinavia AB Florettgatan 29 C S-25467 Helsingborg (Sweden) Tel. : 042 25 75 00 Thomson Sales UK Limited Bath Road West Drayton Middlesex UB7 0DB (England) Thomson multimedia Sales Germany GmbH & Co oHG...