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THOMSON DTH1

75EL

 Service Manual 

 

 

   

Table of Contents 

 
General Section   

Cautions/Warnings 

Safe Warnings 

Precautions 

Software Upgrade 

 

Exploded View
 

Circuit Diagram and Component Layout   

MPEG IC Block Diagrams 

Power supply Circuit Diagram and Component Layout 

MPEG Circuit Diagram and Component Layout 

Front panel Circuit Diagram and Component Layout 

 

Servicing Procedures

 

Power Supply Trouble Service Flow Chart 

Read Disc Trouble Service Flow Chart 

Composite Video Trouble Service Flow Chart 

Scart Video Trouble Service Flow Chart 

S-Video Trouble Service Flow Chart 

Composite Analogy Audio Trouble Service Flow Chart 

Front Control Trouble Service Flow Chart 

Remote Control Trouble Service Flow Chart 

 

Parts List 

 

Power parts list 

MPEG parts list 

Front panel parts list 

AV Output parts list 

 

All manuals and user guides at all-guides.com

Содержание DTH175EL

Страница 1: ...THOMSON DTH175EL Service Manual THOMSON DTH175EL Service Manual All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 2: ...Diagram and Component Layout Servicing Procedures Power Supply Trouble Service Flow Chart Read Disc Trouble Service Flow Chart Composite Video Trouble Service Flow Chart Scart Video Trouble Service F...

Страница 3: ...ries during initial check out procedures Leakage Current Check Resistance Check Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to insulated r...

Страница 4: ...ng the knobs switches and controls etc or taking actions not specified herein may result in a harmful emission of laser beams This CD Changer must be adjusted and repaired only by qualified service pe...

Страница 5: ...the Mechanism Block 1 Do not loosen any screws in the Pickup Block 2 Do not adjust any screws in the Mechanism Block except for Tilt Adjust Screws as they are adjusted precisely at the factory 3 Repla...

Страница 6: ...upgrade CD Attention If a failure should occur during the software upgrade e g a mains failure it may happen that the units function and a restart of the upgrade function are no longer possible If thi...

Страница 7: ...THOMSON DTH175EL Service Manual Exploded View All manuals and user guides at all guides com...

Страница 8: ...THOMSON DTH175EL Service Manual Circuit Diagram and Component Layout MPEG IC Block Diagrams Fig 2 1 MT1389 All manuals and user guides at all guides com...

Страница 9: ...THOMSON DTH175EL Service Manual Fig 2 2 Functional block diagram Fig 2 3 DVD Player system Diagram All manuals and user guides at all guides com...

Страница 10: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description All manuals and user guides at all guides com...

Страница 11: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 12: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com...

Страница 13: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com...

Страница 14: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com...

Страница 15: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com...

Страница 16: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 17: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com...

Страница 18: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com...

Страница 19: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com...

Страница 20: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com...

Страница 21: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 22: ...THOMSON DTH175EL Service Manual Table1 1389C Pin Description continued All manuals and user guides at all guides com...

Страница 23: ...HOMSON DTH175EL Service Manual Power supply Circuit Diagram and Component Layout Fig 2 4 Power Supply Circuit Diagram Fig 2 5 Power Supply Assembly Drawing All manuals and user guides at all guides co...

Страница 24: ...THOMSON DTH175EL Service Manual Fig 2 6 Power Supply Composite All manuals and user guides at all guides com...

Страница 25: ...THOMSON DTH175EL Service Manual MPEG Circuit Diagram and Component Layout MPEG Circuit Diagram Fig 2 7 Index and Power Interface All manuals and user guides at all guides com...

Страница 26: ...THOMSON DTH175ELService Manual Fig2 8 MTK1389 MPEG RF Fig 2 9 SDRAM FLASH All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 27: ...THOMSON DTH175EL Service Manual Fig 2 10 Video output Fig 2 11 Audio output All manuals and user guides at all guides com...

Страница 28: ...THOMSON DTH175EL Service Manual MPEG Assembly Drawing Fig 2 12 MPEG Assembly Drawing MPEG Composite All manuals and user guides at all guides com...

Страница 29: ...THOMSON DTH175EL Service Manual Fig2 13 MPEG Composite All manuals and user guides at all guides com...

Страница 30: ...HOMSON DTH175EL Service Manual Front panel Circuit Diagram and Component Layout Fig 2 14 Front Panel Circuit Diagram Fig 2 15 Front Panel Assembly Drawing All manuals and user guides at all guides com...

Страница 31: ...THOMSON DTH175EL Service Manual Fig 2 16 Front Panel Composite All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 32: ...G Check F901 Condition Replace F901 OK Check U901 NG Pin1 Pin2 Replace U901 Condition OK Check on D101 D102 D103 D104 D105 Output Voltage Condition NG Check on Q103 Pin1 NG Replace Q103 Voltage Condit...

Страница 33: ...ding unit instead of repairing the DVD loading unit in local workshop It is suggested to prove the faulty of a DVD loading unit by replacement by a good DVD loading unit Before checking the NO Disc Tr...

Страница 34: ...See User Manual OK NG Check Y1 Output Signal Replace Y1 Parts OK NG Check C55 C56 Signal Replace C55 C56 OK NG Check D12 D14 Signal Replace D12 D14 OK NG Check Q12 Pin Signal Replace Q12 around parts...

Страница 35: ...OK NG Check Y1 Output Signal Replace Y1 Parts OK NG Check C49 C50 C53 Replace C49 C50 C53 C54 C57 C58 Signal C54 C57 C58 OK NG Replace D5 D7 D9 D11 D13 D15 OK NG Check Q7 Q10 Q13 Signal Replace Q7 Q10...

Страница 36: ...l OK NG Check Y1 Output Signal Replace Y1 Parts OK NG Check C47 C48 C51 Replace C47 C48 C51 C52 Signal C52 OK NG Replace D4 D6 D8 D10 OK NG Check Q6 Q8 Signal Replace Q6 Q8 around parts OK NG Check P1...

Страница 37: ...ignal Replace U4 OK NG Check U14 Pin28 5V Check Power Supply OK NG Check U14 Pin21 26 Signal Replace U14 OK NG Check U13 U15 U16 Check U13 between Pin2 6 Signal Pin2 6 and Pin3 5 Parts OK NG Check U13...

Страница 38: ...trol Trouble NG Check between JP2 and Power Connection OK Replace Check between JP1 and MPEG Connection NG OK NG Check U2 Pin9 25 Voltage See 3 1 Check U2 OK OK Replace VFD SEG Signal NG OK Check U1 P...

Страница 39: ...te Control Trouble OK NG NG Check Remote Control Replace Battery Replace Control OK NG Check U3 Pin2 Voltage Check Power Supply OK NG Check U3 Pin3 Output Signal Replace U3 OK NG Check U4 Pin111 Signa...

Страница 40: ...4 J 1 C911 Porcelain Capacitor 10 M2C1104F84000022 CT 50V 104 Z 4 C107 C113 C117 C912 HI VOLT Porcelain Capacitor 11 M2C1102M84000022 CT81 1KV 102 Z 1 C906 12 M2C1103L84000022 CT81 500V 103 Z 1 C110 E...

Страница 41: ...65 1 U901 34 M2I00PC817B00000 PC817B DIP4 1 U902 Insurance Managing 35 M2U110T0A5250V00 T0 5A 250V 1 F901 Insurance Managing Header 36 M2P3300000520000 5 20 2 F901 Transformer 37 M2T11EEL221001E0 EEL2...

Страница 42: ...9 13 M2R0011131000000 RC 03K111JT 1 R162 14 M2R0030121000000 RC 03K301FT 1 R60 15 M2R0033131000000 RC 03K331JT 1 R175 16 M2R0047131000000 RC 03K471JT 5 R108 R193 R194 R197 R198 17 M2R0056131000000 RC...

Страница 43: ...200J500NT 3 C4 C10 C11 41 M2C0220F30060300 CC 0603CG220J500NT 12 C85 C88 C77 C84 42 M2C0270F30060300 CC 0603CG270J500NT 1 C73 43 M2C0470F30060300 CC 0603CG470J500NT 14 C47 C58 C75 C76 44 M2C0101F30060...

Страница 44: ...L28 L32 L29 L33 L34 L35 L43 Chip Inductor 66 M2H0500M02U70805 L0805 2 7UH 500MA K 1 L42 Chip Magnetism Bead 67 M2HL500M070R0805 L0805 500mA 70R 12 L2 L4 L5 L7 L9 L11 L19 L20 L25 L30 L26 L27 68 M2HL50...

Страница 45: ...1 U5 M2I00AT565400000 AT5654 1 U5 95 M2I0AT24C0200000 AT24C02 SSOP8 1 U12 96 M2I0MT1389FE0000 MT1389FE C LQFP256A 1 U4 M2IEM8165TS00000 EM636165TS 6 2 U7 U8 M2IEM636165TS000 EM636165TS 7 2 U7 U8 M2IM1...

Страница 46: ...M2IMX29LV800AT00 MX29LV800ATTI 70 TSOP 1 U11 M2IAT49LV8192000 AT49LV8192AT 70TC 1 U11 M2IAT49F8192AT00 AT49F8192AT 70TC 1 U11 101 M2IAZ4558AM00000 AZ4558AM SSOP8 3 U13 U15 U16 102 M2I0WM8766000000 WM8...

Страница 47: ...374N220000 LT0374N 43 M1 1 D1 IC 9 M2I00PT696100000 PT6961 SOP32 1 U2 IR 10 M2IAT138BST15M20 AT138BST 15M2 1 U3 Jiggle Switch 11 M2S0KFCA06D05001 KFC A06 2WB 230g 1 POWER 12 M2S00KAO06060501 Jiggle Sw...

Страница 48: ...2 04 1 CN1 PCB 4 M2B100HY5996CH11 HY599 6CH Ver1 1 1 PCB one side SCART NO PART NO DESCRIPTION QTY LOCATION Capacitor 1 M2C0101F30080500 CC 0805CG101JN500T 8 C1 C8 Jumper Wire 2 J 4 5 10mm 2 A1 A2 Soc...

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