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DMR-EH80VEG

DMR-EH80VEB

FL DRIVE PCB

COMPONENT SIDE / SOLDER SIDE

VEP07A78F

W8

W15

W22

W23

W9

W20

W25

W29

W30

W31

W17

W34

W21

W18

W37

W27

W36

W26

W19

W16

W40

C7502

PP7502

PP7501

W32

S7502

S7504

W28

W38

S7503

S7505

S7506

W33

CH UP

CH

DOWN

STOP PLAY

REC

W35

IC7502

DP7501

PP7503

S7501

OPEN/

CLOSE

R7510

96

DMR-EH80VEG / DMR-EH80VEB

176

Table of Contents

Default Chapter2
- Default Chapter2
  - Specifications2
  - Table of Contents3
- Introduction5
- Safety Precautions5
  - General Guidelines5
- Prevention of Electrostatic Discharge (Esd) to Electrostatic Sensitive (Es) Devices6
- Precaution of Laser Diode7
- ABOUT LEAD FREE SOLDER (Pbf)7
- Prevention of Static Electricity Discharge8
  - Grounding for Electrostatic Breakdown8
    - Prevention8
    - Handling Precautions for Optical Pick-Up Unit8
- General Description9
- New Features10
  - Quick Start Function (Rec)10
- DVD) Taking out the Disc from Ram-Drive Unit When the Disc Cannot be Ejected by Button11
  - DVD) Forcible Disc Eject11
  - DVD) When the Forcible Disc Eject Can Not11
    - Be Done11
Vhs) Removing of Cassette Tape12
- Vhs) Removal by Compulsory Unloading12
- Vhs) Removal by Manual Operation12
- Vhs) Take out Cassette Tape Manually after13
  - Removing the Mechannism13
DVD) Service Explorer14
DVD) Self-Diagnosis and Special Mode Setting17
- DVD) Self-Diagnosis Functions17
- DVD) Special Modes Setting19
- DVD) Service Modes21
Vhs) Self-Diagnosis and Special Mode Setting27
- Vhs) Special Modes Setting27
- Vhs) Service Modes27
- Vhs) Self-Diagnosis Functions28
Assembling and Disassembling30
- Disassembly Flow Chart30
- Positions30
- Caution While Inserting Cassette Tape When Disassembling the Unit30
- Top Case31
- Front Panel31
- Front Jack P.C.b. & Fl Drive P.C.b32
- Power P.C.b32
- Rear Panel & Fan Motor33
- Vcr Mechanism Unit34
- Main P.C.b35
- Tuner / Converter /Decoder35
- DVD-Ram Drive35
- Digital P.C.b36
- Hard Disc Drive37
- Sd Card P.C.b39
- Digital I/F P.C.b39
5 14.16. Digital I/F P.C.b.40
Service Fixture and Tools40
Service Positions41
- Checking and Repairing of Power P.C.b41
- Checking and Repairing of Digital I/F P.C.b42
- Checking and Repairing of Main P.C.b44
- Checking and Repairing of DVD-Ram Drive45
- Checking and Repairing of Hard Disc Drive46
- Checking and Repairing of Sd Card P.C.b47
DVD) Caution after Replacing Parts48
- DVD) after Replacing the Ram Drive48
- DVD) after Replacing the Timer48
  - Microprocessor48
  - DVD) after Replacing Eeprom (Ic37502)48
Vhs) Caution after Replacing Parts49
- Adjustment Procedures after Replacing DD49
DVD) Standard Inspection Specifications after52
- Making Repairs52
Voltage and Waveform Chart53
- Waveform Chart59
Abbreviations60
- DVD60
- Vhs62
Interconnection Diagram67
Block Diagram69
- Power Supply Block Diagram69
- Digital I/F Regulator Block Diagram70
- System Control, Servo & Timer Block Diagram71
- Audio Block Diagram72
- Video Block Diagram73
- Digital I/F P.C.b. Block Diagram75
Schematic Diagram77
- Power Supply77
- DVD Output79
- Interface80
- Io / Tuner81
- Syscon / Servo / Timer Main82
- Vhs Audio83
- Video84
- Nicam Decoder85
- Front Jack86
- Fl Drive87
- Sd Card / DV in88
Printed Circuit Board89
- Power P.C.b. (Component Side)89
- Dmr-Eh80Veg / Dmr-Eh80Veb90
- Power P.C.b. (Solder Side)90
- Main P.C.b. (Component Side)91
- Main P.C.b. (Solder Side)92
- Digital I/F P.C.b. (Component Side)93
- Digital I/F P.C.b. (Solder Side)94
- Nicam Decoder P.C.b. (Vep07A51A / Vep07A51B)95
- Nicam Decoder P.C.b. (Vep07A51F)96
- Front Jack P.C.b97
- Fl Drive P.C.b98
- Sd Card P.C.b99
Exploded Views101
- Mechanism & Casing Parts101
- Front Panel Parts102
- Vhs Mechanism Parts103
- Packing & Accessories104
- Mechanism & Casing Parts105
Replacemnet Parts List105
- Vhs Mechanism Parts105
- Packing & Accessories Parts106
- Printed Circuit Boardsincluded in Main Pcb106
- Electrical Parts107
- Service Fixture and Tools118
- Block Diagram for Printing A4 Size119
Diagrams for Printing A4 Size119
- Schematic Diagramm for Printing A4 Size135
- Power P.C.b. for Printing A4 Size159
- Main P.C.b. (Component Side) for Printing A4163
- Size163
- Main P.C.b. (Solder Side) for Printing A4 Size165
- Other P.C.b.痴 for Printing A4 Size167

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