Panasonic DMR-ES30VP - 16.4. Checking and Repairing of Digital P.C.B.

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16.4. Checking and Repairing of Digital P.C.B.

43

DMR-ES30 VP / DMR-ES30 VPC

Table of Contents

Casing Parts & Mechanism Section2
Table of Contents3
Specifications5
Safety Precautions6
- General Guidelines6
- Caution for Fuse Replacement6
- Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices7
- Precaution of Laser Diode8
- How to Replace the Lithium Battery9
- Handling the Lead-Free Solder9
  - About Lead Free Solder (Pbf)9
- Each Buttons10
- New Features12
  - Quick Start Function (REC)12
  - Disc Cannot be Ejected by OPEN/CLOSE Button13
VHS) Removing Cassette Tape Manually14
- VHS) Removal by Compulsory Unloading14
- VHS) Removal by Manual Operation by Rotating the14
  - Loading Motor with the Batteries14
  - VHS) Take out Cassette Tapemanually after Removing the Mechanism15
DVD) Service Explorer16
DVD) Self-Diagnosis and Special Mode Setting19
- DVD) Self-Diagnosis Functions19
- DVD) Special Modes Setting20
- DVD) Service Modes21
VHS) Self-Diagnosis and Special Mode Setting25
- VHS) Self-Diagnosis Functions25
- VHS) Special Modes Setting26
- VHS) Service Modes26
- VHS) Self-Diagnosis History Memory Function27
- VHS) Description of Self Diagnosis Memory29
Assembling and Disassembling31
- Disassembly Flow Chart31
- Positions32
- Caution with Inserting Cassette Tape When Disassembling the Unit32
- Top Case33
- Front Panel33
- Front Jack P.C.B. & FL Drive34
- Power Unit and Power P.C.B., Rear Panel & Fan Motor34
- VTR Mechanism Unit36
- Main P.C.B37
- DVD-RAM Drive37
- Digital P.C.B37
- Digital I/F P.C.B38
Service Fixture and Tools39
Service Positions40
- Checking and Repairing of Power P.C.B40
- Checking and Repairing of & Digital I/F P.C.B41
- Checking and Repairing of Main P.C.B42
- Checking and Repairing of Digital P.C.B43
- Checking and DVD-RAM Drive44
Power P.C.B.) Caution after Replacing Parts45
DVD) Caution after Parts Replacing Parts45
- DVD) after Replacing the RAM Drive with New One45
- DVD) When the Unit Does Not Operate Normally after Replacing the Timer Microprocessor or Main45
VHS) Caution after Replacing Parts46
- VHS) Adjustment Procedures after Replacing DD Cylinder, VHS Microprocessor or Main46
- VHS) X-VALUE & LINEARITY (P2 and P3 Posts) ADJUSTMENT47
- VHS) Caution after Replacing VHS Microprocessor48
- (Ic6001)48
DVD) Standard Inspection Specifications after Making Repairs49
Voltage and Waveform Chart50
- Power P.C.B50
- Digital I/F P.C.B50
- Main P.C.B51
- FL Drive P.C.B53
- Front Jack P.C.B54
- P9001 Connector54
- Waveform55
Abbreviations57
- DVD57
- Vhs59
Block Diagram63
- Power Supply Block Diagram63
- Digital I/F Regulator Block Diagram64
- Digital I/F Timer Block Diagram65
- System Control & Servo Block Diagram66
- Audio Block Diagram67
- Video Block Diagram68
Schematic Diagram71
- Interconnection Schematic Diagram71
- Main Power Supply Schematic Diagram73
- Sub Power Section (Digital I/F P.C.B.(1/3)) Schematic Diagram (SP)74
- Dmr-Es30Vp / Dmr-Es30Vpc75
Digital I/F Section (Digital I/F P.C.B.(2/3)) Schematic75
- Diagram (IF)75
DVD Output Section (Digital I/F P.C.B.(3/3)) Schematic78
- Diagram (DO)78
I/O Tuner Section (Main P.C.B.(1/4)) Schematic Diagram (I)79
Syscon/Servo/Timer Section (Main P.C.B.(2/4)) Schematic Diagram (S)83
Video Section (Main P.C.B.(3/4)) Schematic Diagram (V)85
VHS Audio Section (Main P.C.B.(4/4)) Schematic Diagram87
FL Drive Schematic Diagram88
- Front Jack Schematic Diagram89
Print Circuit Board91
- Power P.C.B91
- Digital I/F P.C.B92
- Main94
- Main P.C.B94
- Front Jack P.C.B. , FL Drive P.C.B99
Exploded Views101
- Casing Parts & Mechanism Section101
- VHS Mechanism Section103
- Packing & Accessories Section104
Replacement Parts List105

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