Panasonic DMR-EZ47VP, Service Manual

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1 Safety Precaution 4
1.1. General guidelines 4
1.2. Caution for fuse replacement 4
2 Warning 5
2.1. Prevention of Electrostatic Discharge (ESD) to
Electrostatic Sensitive (ES) Devices 5
2.2. Precaution of Laser Diode 6
2.3. Service caution based on legal restrictions 7
3 Service Navigation 8
3.1. Service Information 8
3.2. Caution for DivX 8
4 Specifications 9
5 Location of Controls and Components 10
5.1. Each Buttons 10
6 Operation Instructions 12
6.1. (DVD) Taking out the Disc from RAM-Drive Unit when the
Disc cannot be ejected by OPEN/CLOSE button 12
6.2. (VHS) Removing Cassette Tape manually 14
7 Service Mode 16
7.1. (DVD) Self-Diagnosis and Special Mode Setting 16
7.2. (VHS) Self-Diagnosis and Special Mode Setting 26
8 Service Fixture & Tools 32
9 Assembling and Disassembling Instructions 33
9.1. Disassembly Flow Chart 33
9.2. P.C.B. Positions 34
9.3. Caution with inserting cassette tape when disassembling
the unit 35
9.4. Top cover 36
9.5. Front Panel 36
9.6. Front (L) P.C.B. & Front (R) P.C.B. 37
9.7. DVD drive 39
9.8. SD/DV Jack P.C.B. 39
9.9. Rear Panel, Fan Motor 40
9.10. Digital P.C.B. 40
9.11. VHS Mechanism Unit 41
9.12. Main P.C.B. 42
9.13. Digital I/F P.C.B. 42
10 Measurements and Adjustments 43
10.1. Service Positions 43
10.2. Caution for Replacing Parts 47
10.3. Standard Inspection Specifications after Making Repairs 50
11 Block Diagram 53
11.1. Power Supply Block Diagram 53
11.2. Main P.C.B. Regulator Block Diagram 54
11.3. Analog Video Block Diagram 55
11.4. Analog Audio Block Diagram 57
11.5. Analog Timer Block Diagram 58
11.6. System Control & Servo Block Diagram 59
12 Schematic Diagram 61
12.1. Interconnection Schematic Diagram 61
12.2. Power Supply Section (Power & Digital I/F P.C.B.(1/3))
Schematic Diagram (P) 63
12.3. Digital I/F (1/4) Section (Power & Digital I/F P.C.B.(2/3))
Schematic Diagram (IF) 65
12.4. Digital I/F (2/4) Section (Power & Digital I/F P.C.B.(2/3))
Schematic Diagram (IF) 66
12.5. Digital I/F (3/4) Section (Power & Digital I/F P.C.B.(2/3))
Schematic Diagram (IF) 67
12.6. Digital I/F (4/4) Section (Power & Digital I/F P.C.B.(2/3))
Schematic Diagram (IF) 68
12.7. Tuner Section (Power & Digital I/F P.C.B.(3/3)) Schematic
Diagram (IF) 69
12.8. Video Section (Main P.C.B.(1/4)) Schematic Diagram (V)
70
12.9. VHS Audio Section (Main P.C.B.(2/4)) Schematic Diagram
(A) 71
12.10. Syscon/Servo/Timer (1/4) Section (Main P.C.B.(3/4))
Schematic Diagram (S) 72
12.11. Syscon/Servo/Timer (2/4) Section (Main P.C.B.(3/4))
Schematic Diagram (S) 73
12.12. Syscon/Servo/Timer (3/4) Section (Main P.C.B.(3/4))
Schematic Diagram (S) 74
12.13. Syscon/Servo/Timer (4/4) Section (Main P.C.B.(3/4))
Schematic Diagram (S) 75
12.14. I/O Section (1/4) (Main P.C.B.(4/4)) Schematic Diagram (I)
77
12.15. I/O Section (2/4) (Main P.C.B.(4/4)) Schematic Diagram (I)
78
12.16. I/O Section (3/4) (Main P.C.B.(4/4)) Schematic Diagram (I)
79
12.17. I/O Section (4/4) (Main P.C.B.(4/4)) Schematic Diagram (I)
80
12.18. DV Jack/SD Card Schematic Diagram 82
12.19. Front (L) Schematic Diagram 83
12.20. Front (R) Schematic Diagram 83
13 Printed Circuit Board 85
13.1. Power & Digital I/F P.C.B. 85
13.2. Main P.C.B. 90
13.3. DV Jack/SD Card P.C.B. 95
13.4. Front (L) P.C.B., Front (R) P.C.B. 96
14 Appendix for Schematic Diagram 97
14.1. Voltage and Waveform Chart 97
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DMR-EZ47VP / DMR-EZ475VP