THOMSON DTH175EL Service Manual
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THOMSON DTH175EL Service Manual

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THOMSON DTH175EL Service Manual
THOMSON DTH175EL
Service Manual

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Summary of Contents for THOMSON DTH175EL

  • Page 1 THOMSON DTH175EL Service Manual THOMSON DTH175EL Service Manual...

  • Page 2: Table Of Contents

    THOMSON DTH175EL 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...

  • Page 3: General Section

    THOMSON DTH175EL Service Manual General Section Cautions/Warnings Product Safety Notice Parts marked with the symbol in the schematic diagram have critical characteristics. Use ONLY replacement pares recommended by the manufacturer. It is recommended that the unit be operated from a suitable DC supply or batteries during initial check out procedures.

  • Page 4: Safe Warnings

    THOMSON DTH175EL Service Manual Safe Warnings Protection of Eyes from Laser Beam To protect eyes from invisible laser beam during servicing DO NOT LOOK AT THE LASER BEAM Laser Caution CAUTION Adjusting the knobs, switches, and controls, etc. or taking actions not specified herein may result in a harmful emission of laser beams.

  • Page 5: Precautions

    THOMSON DTH175EL Service Manual Precautions ESD Precautions in Repairing 1. Do not apply excessive pressure on the mechanical parts (moving pares), including the Pickup Block, as extremely high mechanical precision or required in these parts. 2. When soldering the microprocessor and signal processing IC’s, use a ceramic soldering iron or a soldering iron whose metal part is grounded since they are not resistant to static electricity.

  • Page 6: Software Upgrade

    THOMSON DTH175EL Service Manual Software Upgrade You can upgrade DVD Player using the software we provide as following step: ― Creating a software upgrade CD ― Use only a new CD-R/CD-RW(not an erased one). ― Give the CD a name of your choice(e.g. version and unit name).

  • Page 7: Exploded View

    THOMSON DTH175EL Service Manual Exploded View...

  • Page 8: Circuit Diagram And Component Layout

    THOMSON DTH175EL Service Manual Circuit Diagram and Component Layout MPEG IC Block Diagrams Fig. 2-1 MT1389...
  • Page 9 THOMSON DTH175EL Service Manual Fig. 2-2 Functional block diagram Fig.2-3 DVD Player system Diagram...
  • Page 10 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description...
  • Page 11 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 12 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 13 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 14 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 15 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 16 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 17 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 18 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 19 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 20 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 21 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)
  • Page 22 THOMSON DTH175EL Service Manual Table1. 1389C Pin Description (continued)

  • Page 23: Power Supply Circuit Diagram And Component Layout

    THOMSON DTH175EL Service Manual Power supply Circuit Diagram and Component Layout Fig 2-4 Power Supply Circuit Diagram Fig 2-5 Power Supply Assembly Drawing...
  • Page 24 THOMSON DTH175EL Service Manual Fig 2-6 Power Supply Composite...

  • Page 25: Mpeg Circuit Diagram And Component Layout

    THOMSON DTH175EL Service Manual MPEG Circuit Diagram and Component Layout MPEG Circuit Diagram Fig 2-7 Index and Power Interface...
  • Page 26 THOMSON DTH175ELService Manual Fig2-8 MTK1389 MPEG & RF Fig 2-9 SDRAM & FLASH...
  • Page 27 THOMSON DTH175EL Service Manual Fig 2-10 Video output Fig 2-11 Audio output...
  • Page 28 THOMSON DTH175EL Service Manual MPEG Assembly Drawing Fig 2-12 MPEG Assembly Drawing MPEG Composite...
  • Page 29 THOMSON DTH175EL Service Manual Fig2-13 MPEG Composite...

  • Page 30: Front Panel Circuit Diagram And Component Layout

    THOMSON DTH175EL Service Manual Front panel Circuit Diagram and Component Layout Fig 2-14 Front Panel Circuit Diagram Fig 2-15 Front Panel Assembly Drawing...
  • Page 31 THOMSON DTH175EL Service Manual Fig 2-16 Front Panel Composite...

  • Page 32: Servicing Procedures

    THOMSON DTH175EL Service Manual Servicing Procedures Power Supply Trouble Service Flow Chart Power Supply Block Trouble Check F901 Condition Replace F901 Check U901 Pin1/Pin2 Replace U901 Condition Check on D101/D102/ D103/D104/D105 Output Voltage Condition Check on Q103 Pin1 Replace Q103...

  • Page 33: Read Disc Trouble Service Flow Chart

    THOMSON DTH175EL Service Manual Read Disc Trouble Service Flow Chart Read disc problem in a DVD player is a very complicated issue that may involve complex issues. This problem is not only relation to the electronic circuit, but also very much relation to the operation environment.

  • Page 34: Composite Video Trouble Service Flow Chart

    THOMSON DTH175EL Service Manual Composite Video Trouble Service Flow Chart Composite Video Trouble Check “SETUP” Item See “User Manual” Check Y1 Output Signal Replace Y1 Parts Check C55/C56 Signal Replace C55/C56 Check D12/D14 Signal Replace D12/D14 Check Q12 Pin Signal...

  • Page 35: Scart Video Trouble Service Flow Chart

    THOMSON DTH175EL Service Manual SCART Video Trouble Service Flow Chart Composite SCART Video Trouble Check “SETUP” Item See “User Manual” Check Y1 Output Signal Replace Y1 Parts Check C49/C50/C53/ Replace C49/C50/C53/ C54/C57/C58 Signal C54/C57/C58 Check D5/ D7/ D9/ Replace D5/D7/D9/...

  • Page 36: S-Video Trouble Service Flow Chart

    THOMSON DTH175EL Service Manual S- Video Trouble Service Flow Chart Composite S- Video Trouble Check “SETUP” Item See “User Manual” Check Y1 Output Signal Replace Y1 Parts Check C47/C48/C51/ Replace C47/C48/C51/ C52 Signal Check D4/ D6/ D8/ D10 Replace D4/D6/D8/...

  • Page 37: Composite Analogy Audio Trouble Service Flow Chart

    THOMSON DTH175EL Service Manual Composite Analogy Audio Trouble Service Flow Chart Composite Analogy Audio Trouble Check R138 Signal Replace U4 Check U14 Pin2~4 Signal Replace U4 Check U14 Pin28 +5V Check Power Supply Check U14 Pin21~26 Signal Replace U14 Check U13/U15/U16...

  • Page 38: Front Control Trouble Service Flow Chart

    THOMSON DTH175EL Service Manual Front Control Trouble Service Flow Chart Front Control Trouble Check between JP2 and Power Connection Replace Check between JP1 and MPEG Connection Check U2 Pin9/25 Voltage See: 3.1 Check U2 Replace VFD SEG Signal Check U1 Power Signal...

  • Page 39: Remote Control Trouble Service Flow Chart

    THOMSON DTH175EL Service Manual Remote Control Trouble Service Flow Chart Remote Control Trouble Check Remote Control Replace Battery Replace Control Check U3 Pin2 Voltage Check Power Supply Check U3 Pin3 Output Signal Replace U3 Check U4 Pin111 Signal Replace C22/R24...

  • Page 40: Parts List

    THOMSON DTH175EL Service Manual Parts List Power parts list PART NO. DESCRIPTION LOCATION Carbon Resistor 1 M2R1110030433110 RT14-1/4W-10R±5% R122,R902 2 M2R1110230433110 RT14-1/4W-1K±5% R111,R101,R110,R112,R121, M2R1120230433110 RT14-1/4W-2K±5% R109 3 M2R1110430433110 RT14-1/4W-100K±5% R903 4 M2R1110530233110 RT15-1/2W-1M±5% R901 Oxidation Resistor 5 M2R8833330133110 RYG1-1W-33K-J R904...
  • Page 41 THOMSON DTH175EL Service Manual PART NO. DESCRIPTION LOCATION 24 M2D10FR104220000 FR104 （ DO-41 ） D101,,D103,D907 25 M2D1IN5392220000 1N5392- （ DO-41 ） D108,D109 26 M2D1IN5822220000 IN5822 D105 Certain VOLT Diode 27 M2D1BZX12V220000 BZX-12V-1/2W- （ DO-35 ） Z101, 29 M2D1BZX4V3220000 BZX-4V3-1/2W- （ DO-35 ）...
  • Page 42 THOMSON DTH175EL Service Manual MEPG Parts List PART NO. DESCRIPTION LOCATION Chip Resistor M2R0000030811000 RC-05K000OT L3,L10 M2R001R030811000 RC-05K1R0JT R42~R45 M2R0033030811000 RC-05K330JT M2R0000031000000 RC-03K000OT 24 R11,R20,R21,R26~R31,R40,R79,R80, R89,R90,R103,R104,R114,R134 R172,R171,R169,R112,R9,R161 4** M2R0000031000000 RC-03K000OT R61 16M FLASH M2R001R031000000 RC-03K1R0JT M2R006R831000000 RC-03K6R8JT M2R0010031000000 RC-03K100JT R23,R24,R39,R41,R126...
  • Page 43 THOMSON DTH175EL Service Manual PART NO. DESCRIPTION LOCATION 28 M2R0015331000000 RC-03K153JT R14,R49 29 M2R0018331000000 RC-03K183JT 30 M2R0020331000000 RC-03K203JT R46,R51,R53,R56 31 M2R0022331000000 RC-03K223JT R110,R123,R132,R146,R152,R158 32 M2R0010431000000 RC-03K104JT 18 R7,R16,R32,R35,R111,R125,R119 R131,R141,R151,R157,R167,R178 R182,R184,R186,R188,R180 33 M2R0015431000000 RC-03K154JT R17,R19 34 M2R0018431000000 RC-03K184JT R118,R130,R140,R150,R156,R166 35 M2R0068431000000...
  • Page 44 THOMSON DTH175EL Service Manual PART NO. DESCRIPTION LOCATION C43,C46,CB83,CB68,CB71,CB85 CB84,CB64,CB66,CB69 CB72~CB76 57 M2C0474B84080500 CC-0805F474Z160NT 58 M2C0105B84060300 CC-0603F105Z160NT C15,C16,C23~C26 ELECT Capacitor 59 M2C2106B57051122 CD11-16V-10U-M 11 CE40,CE44,CE46,CE48,CE49,CE51 CE53,CE1,CE15,CE24,CE55 60 M2C2476B89051122 CD11-16V-47U-M 11 CE7,CE16~CE18,CE21~CE23,CE27 CE28,CE33,CE37 61 M2C2107B57051122 CD11-16V-100U-M CE19,CE20,CE3,CE11 62 M2C2227B59061222 CD11-16V-220U-M 12 CE2,CE4~CE6,CE9,CE42,CE43,CE25...
  • Page 45 THOMSON DTH175EL Service Manual PART NO. DESCRIPTION LOCATION Jack 79 M2P88FPC24005000 JP24-05M 80 M2P000000PH5A000 PH-5A 81 M2P000000PH6A000 PH-6A 82 M2P00000PH6AB000 PH-6A-B CON1 83 M2P0000TJC35A000 TJC3-5A 84 M2P11AV684120003 AV6-8.4-12-03 85 M2P11000RCA1A000 RCA-1A-COAX 86 M2P00000PH10A000 PH-10A 87 M2P00000PH7AB000 PH-7A-B J9(Karaoke) 88 M2P000000PH8A000 PH-8A...
  • Page 46 THOMSON DTH175EL Service Manual PART NO. DESCRIPTION LOCATION M2I0M29W80070000 M29W800DT-TSOP48 M2I029W800B70000 M29W800DB-TSOP48 M2IMX29LV800AT00 MX29LV800ATTI － 70 － TSOP M2IAT49LV8192000 AT49LV8192AT-70TC M2IAT49F8192AT00 AT49F8192AT-70TC 101 M2IAZ4558AM00000 AZ4558AM-SSOP8 U13,U15,U16 102 M2I0WM8766000000 WM8766-SSOP28 103 M2B1HY6551389C12 HY655-1389C-0S0 VER1.2 MPEG Board...

  • Page 47: Front Panel Parts List

    THOMSON DTH175EL Service Manual Front panel parts list PART NO. DESCRIPTION LOCATION Carbon Resistor 1 M2R1147130633110 RT13-1/6W-470R±5% 2 M2R1110330633110 RT13-1/6W-10K±5% R1 R4 R5 R6 R9 R10 3 M2R1151330633110 RT13-1/6W-51K±5% Porcelain Capacitor 4 M2C1101F44000022 CC1-50V-101-K C5 C6 C7 5 M2C1104F84000022 CT1-50V-104-Z...

  • Page 48: Av Output Parts List

    THOMSON DTH175EL Service Manual AV Output parts list PART NO. DESCRIPTION QTY LOCATION Chip Resistor 1 M2R0000030811000 RC-05K000OT Socket 2 M2P000000PH7A000 PH-7A 3 M2P11AV684120004 AV6-8.4-12-04 4 M2B100HY5996CH11 HY599-6CH Ver1.1 PCB (one side) SCART PART NO. DESCRIPTION LOCATION Capacitor 1 M2C0101F30080500 CC-0805CG101JN500T...

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