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THOMSON DTH7500E Service Manual
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THOMSON DTH7500E 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 : 357 275 80
- 0204 / 4,8M - DTH7500 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.
DTH7500E
DTH7500U
V I D E O
DTH7500

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Summary of Contents for THOMSON DTH7500E

  • Page 1 TECHNISCHE DOKUMENTATION DTH7500 DOCUMENTAZIONE TECNICA DOCUMENTACION TECNICA DTH7500E DTH7500U 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 CLASS 2 LASER PRODUCT APPAREIL A LASER DE CLASSE 2 LASER KLASSE 2 APPARECCHIO CON LASER DI CLASSE 2 APARATO CON LASER DE CLASE 2 DANGER : Invisible laser radiation when open and interlock failed or defeated. Avoid direct exposure to beam. ATTENTION : Le rayon laser est invisible.
  • Page 4 Prévention des composants et sous-ensembles contre les ESD ( Décharge d'Electricité Statique ) Certains semi-conducteurs peuvent être facilement endommagés par l’électricité statique (les circuits intégrés et certains transistors à effet de champs, les composants semi-conducteurs de type chip ainsi que les diodes à émission laser équipant les lecteurs optiques ). Les précautions suivantes doivent être utilisées pour réduire l’incidence des dommages causés par l’électricité...

  • Page 5: Handling The Optical Pickup

    HANDLING THE OPTICAL PICKUP MANIPULATION DU BLOC OPTIQUE The laser diode used in the optical pickup may break down La diode laser utilisée dans le bloc optique peut se due to potential differences caused by electricity produced détériorer à cause d’une différence de potentiel causé par by clothing or the human body, care should therefore be l’électricité...
  • Page 6 SERVICE MODE - MODE SERVICE - SERVICE MODE - SERVICE MODE CHECKS AND MEASUREMENTS - CONTRÔLES ET VERIFICATIONS - SERVICE MODE - MODO SERVICIO CONTROLLI E VERIFICHE - AJUSTES Y COMBROBACIONES Accessing the SERVICE MENU Accès au mode service. - Connect the recorder to the mains supply and a monitor television Mettre l’...
  • Page 7 WIRING DIAGRAM - SCHEMA D’INTERCONNEXIONS - VERDRAHTUNGSPLAN - DIAGRAMMA DELLE INTERCONNESSIONI - ESQUEMA DE INTERCONEXIONES AV TUNER BOARD BB304A INLET BB601A -5VS +9VS_PSEUDO BB101A +9VSA +40VS +13VS_AV +5VS_AV BB601P +5VS_AV +5VE_AV +13VE PIN STRIP +3.3VSA +12VS BB301P +5VS_HDD BB101D AGND +5VSD POWER +5VS3D...
  • Page 8 POWER SUPPLY INTERFACE - INTERFACE ALIMENTATION - NETZTEIL - ALIMENTAZIONE - INTERFAZ ALIMENTACIÓN SCHEMATIC DIAGRAM - SCHEMA DE PRINCIPE - SCHALTBILD - SCHEMA - ESQUEMA Note : Attenzione : Power Supply primary circuit measurements. misure nell'alimentatore primario Safety Part Sicherheitsbauteil Utilice solo piezas originales When repairing, use original part only Bei Ersatz nur Originalteil verwenden...
  • Page 9 KEYBOARD WITH DISPLAY - PLATINE DE COMMANDES AVEC AFFICHEUR - BEDIENTEIL MIT DISPLAY - TASTIERA CON DISPLAY - PLATINA MANDOS CON VISUALIZADOR SCHEMATIC DIAGRAM - SCHEMA DE PRINCIPE - SCHALTBILD - SCHEMA - ESQUEMA CE520 120PF GE501 13SM31T CE521 120PF CE522 120PF BB201K...
  • Page 10 INPUT/OUTPUT - ENTREES/SORTIES - EINGÄNGE/AUSGÄNGE USB MODULE - MODULE USB - USB MODUL - MODULO USB - MÒDULO USB INGRESSO/USCITA - ENTRADA/SALIDA YE802 YE811 FRONT AV RE808 LE800 RE824 FCT03 CE814 CE812 BE801 F.BEAD 82PF (prep) VIDEO BB106U FCT04 CE815 RE825 CE813 12PF...
  • Page 11 SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 1/11 ) +5VSB +5VS DGND -5VS +5VS +5VS...
  • Page 12 SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 2/11 ) +3.3VSA NOTE: POWER FROM Upper Level +5VE RA330 JA301...

  • Page 13: Model Only

    SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 3/11 ) RA602 Power FROM upper level CA602 -5VS 330P0...
  • Page 14 SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 4/11 ) +5VS LW114 10U0 Power FROM Upper Level +5VS CW108...
  • Page 15 SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 5/11 ) Power FROM Upper Level +5VSB +12VS_VIDEO CV/Y_REC_SEL...
  • Page 16 SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 6/11 ) RW191 330R0 CW167 ROUT_VCR LW120 Power FROM Upper Level...
  • Page 17 SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 7/11 ) LW251 RW264 +5VS_CINCH +5VS CW272 DW133...
  • Page 18 SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 8/11 ) Power FROM Upper Level +5VID -5VID +5VS...
  • Page 19 SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 9/11 ) SV_S3_1 Power FROM Upper Level +5V_SC3 LJ001 CJ005...

  • Page 20: Power Interface

    SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 10/11 ) Power to upper level CX002 100P0 BB601A...
  • Page 21 SCART INTERFACE / TUNER SCHEMATIC DIAGRAM - SCHEMA DE L’INTERFACE PERITELEVISION / TUNER - SCHALTBILD EUROPA NORMBUCHSE / TUNER SCHEMA DELLA PRESA PERITEL / SINTONIZZATORE - ESQUEMA INTERFAZ EUROTOMA / SINTONIZADOR ( AV TUNER BOARD 11/11 ) LW360 10U0 RW408 +5VS +5VS_VBI LW358...
  • Page 22 MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - SCHALTBILD HAUPTPLATINE - SCHEMA DELLA PIASTRA PRINCIPALE- ESQUEMA DE LA PLATINA PRINCIPAL (DIGITAL BOARD 1/9) +3V3SD +2V5SD 3.3ISO 3.3ISORT +2V5SD +3V3SD +5VS3D +3V3SD +2V5SD 3.3ISO 3.3ISORT +2V5SD +3V3SD +5VS3D +8VS +3V3SD +5VS3D DVA_RST...
  • Page 23 MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - SCHALTBILD HAUPTPLATINE - SCHEMA DELLA PIASTRA PRINCIPALE- ESQUEMA DE LA PLATINA PRINCIPAL (DIGITAL BOARD 2/9) FPV14 VDDX VDDI VDDE VDDA FPV08 AGND_IN TPV01 CVBS/Y_REC BB101D CV003 100N0 16.0V TPV03 CV002 100N0 C_REC AI11...
  • Page 24 MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - SCHALTBILD HAUPTPLATINE - SCHEMA DELLA PIASTRA PRINCIPALE- ESQUEMA DE LA PLATINA PRINCIPAL (DIGITAL BOARD 3/9) RG784 27CK_GS DGND +3V3SD +5VS3D 3.3ISORT (PREP) OSCLK/OSSTB RG708 75R0 VEI_SSTB TP104 3.3ISO ADSDAT2 (PREP) RG709 75R0 BB101D...
  • Page 25 MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - SCHALTBILD HAUPTPLATINE - SCHEMA DELLA PIASTRA PRINCIPALE- ESQUEMA DE LA PLATINA PRINCIPAL (DIGITAL BOARD 4/9) +3V3SD +3V3SD +3V3SD (PREP) DGND IE002 74LVTH244A CE051 CE083 CE084 CE085 CE086 CE087 CE088 CE089 +3V3SD 20288040 TPE07...

  • Page 26: Ide Connector

    MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - SCHALTBILD HAUPTPLATINE - SCHEMA DELLA PIASTRA PRINCIPALE- ESQUEMA DE LA PLATINA PRINCIPAL (DIGITAL BOARD 5/9) OS[0:7] TPL13 TPL14 DGND +3V3SD +3.3VELM +5VS3D TPL01 TPL02 TPL03 +3.3VELM +8VS VDD1 VSS3 EMI_AD[1:21] TPL99 EMI_D[0:15] SDRD0...
  • Page 27 MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - SCHALTBILD HAUPTPLATINE - SCHEMA DELLA PIASTRA PRINCIPALE- ESQUEMA DE LA PLATINA PRINCIPAL (DIGITAL BOARD 6/9) TPD90 TPD91 DXXVCC +2V5SD +1V8SD DX_656D[0:7] FD500 +3.3VCPU +5VS3D RD552 2U2H 25520240 TPD52 PROC_MEMORY BB104D TPD51 CD569 RD541...
  • Page 28 MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - SCHALTBILD HAUPTPLATINE - SCHEMA DELLA PIASTRA PRINCIPALE- ESQUEMA DE LA PLATINA PRINCIPAL (DIGITAL BOARD 7/9) SPDIF BB101D R_PR2H_DXX BB101D B_PB2H_DXX BB101D G_Y2H_DXX BB101D +5VS5A AGND +5VAV CVBS_DXX BB101D +5VS5A Y_DXX BB101D CV_OUT RD316...
  • Page 29 MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - SCHALTBILD HAUPTPLATINE - SCHEMA DELLA PIASTRA PRINCIPALE- ESQUEMA DE LA PLATINA PRINCIPAL (DIGITAL BOARD 8/9) EMI_D[0:15] VCCRAM 21152830 21152830 EMI_AD[1:21] BD102 CD138 BD101 +5VS3D 10N0 DGND CD139 DD100 EMI_AD21 RB421D EMI_AD20 10N0 ID103...
  • Page 30 MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE - SCHALTBILD HAUPTPLATINE - SCHEMA DELLA PIASTRA PRINCIPALE- ESQUEMA DE LA PLATINA PRINCIPAL (DIGITAL BOARD 9/9) +3.3VPLL (PREP) +3.3VPLL RC037 +3.3VPLL IC001 (PREP) CC031 15406700 CC001 100N0 (PREP) 100N0 21153950 (PREP) 16.0V QC003 RC032...
  • Page 31 POWER SUPPLY CIRCUIT BOARD - CIRCUIT IMPRIME DE L’ALIMENTATION - LEITERPLATTE NETZTEIL - PIASTRA DEI CIRCUITI DI ALIMENTAZIONE - PLATINA ALIMENTACIÓN COMPONENT SIDE - COTÉ COMPOSANTS - BESTÜCKUNGSSEITE - LATO COMPONENTI - LADO COMPONENTES BAR CODE DP010 JP081 LP010 JP107 CP064 JP053 DP054...
  • Page 32 KEYBOARD CIRCUIT BOARDS - CIRCUITS IMPRIMES PLATINES COMMANDES - LEITERPLATTE BEDIENTEIL - PIASTRE TASTIERA - PLATINAS MANDOS COMPONENT SIDE - COTÉ COMPOSANTS - BESTÜCKUNGSSEITE - LATO COMPONENTI - LADO COMPONENTES OPEN/CLOSE PLAY PAUSE SEARCH-RW ON/OFF INPUT PR(-)/SKIP-REV PR(+)/SKIP-FW STOP RECORD SEARCH-FW SE532 SE540...
  • Page 33 SCART INTERFACE P.C.B./TUNER - PLATINE INTERFACE PERITELEVISION/TUNER -LEITERPLATTE EUROPA NORMBUCHSE/TUNER - PIASTRA PRESA PERITEL/TUNER PLATINA INTERFAZ EUROTOMA/TUNER COMPONENT SIDE - COTÉ COMPOSANTS - BESTÜCKUNGSSEITE - LATO COMPONENTI - LADO COMPONENTES SW001 BA501 RW113 BA680 RA502 RA609 RA610 FDU03 TA601 TA603 RW002 CA606 RW420...
  • Page 34 SCART INTERFACE P.C.B./TUNER - PLATINE INTERFACE PERITELEVISION/TUNER -LEITERPLATTE EUROPA NORMBUCHSE/TUNER - PIASTRA PRESA PERITEL/TUNER PLATINA INTERFAZ EUROTOMA/TUNER É SOLDER SIDE - COT CUIVRE - LÖTSEITE - LATO SALDATURE - LADO DEL COBRE BA680 CA69 5 CW290 BW351 RW143 CW094 CW164 RW146 RW512 BW352...
  • Page 35 DIGITAL PROCESSING P.C.B. - PLATINE TRAITEMENT DIGITAL - LTPL. DIGITALVERARBEITUNG - PIASTRA ELABORAZIONE DIGITALE - PLATINA TRATAMIENTO DIGITAL COMPONENT SIDE - COTÉ COMPOSANTS - BESTÜCKUNGSSEITE - LATO COMPONENTI - LADO COMPONENTES BD501 BD502 BARCODE BARCODE BD102 BB104D BB105D BD101 QC003 CG720 EG731 FDU06...
  • Page 36 DIGITAL PROCESSING P.C.B. - PLATINE TRAITEMENT DIGITAL - LTPL. DIGITALVERARBEITUNG - PIASTRA ELABORAZIONE DIGITALE - PLATINA TRATAMIENTO DIGITAL É SOLDER SIDE - COT CUIVRE - LÖTSEITE - LATO SALDATURE - LADO DEL COBRE RC031 DD502 CC016 CC032 CC013 TPD61 TPD94 DD500 RC017 RC011 RC014...
  • Page 37 DIGITAL BOARD ABBREVIATION DA0..2 ....PCM output data 0-2 ABBREVIATIONS - ABREVIATIONS - ABKÜRZUNGEN - ABBREVIAZIONI - ABREVIACIONES DAC_MUTE1 ..Audio mute control for UDA1338 DAC and ---- 168CK_ELM .
  • Page 38 ISCLK/ISSTB ..input stream clock for MPEG encoder SDRAMRAS ..EMI SDRAM row address select ISSYNC ... .input stream sync for MPEG encoder SDRD0..15 .
  • Page 39 46, quai Alphonse Le Gallo Czech s.r.o. 92648 Boulogne cedex ul. Dopravaku - dum Genius 1 Tel. : 01 41 86 60 00 Dolni Chabry Internet : www.thomson-network.com CZ - 18400 Prague 8 Tel. : (2) 688 67 70 Thomson multimedia Thomson multimedia Switzerland...

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