Read Panasonic DMR-EZ47VEB Service Manual online
1 Safety Precaution
4
1.1.
General guidelines
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
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
25
8 Service Fixture & Tools
29
9 Assembling and Disassembling Instructions
30
9.1.
Disassembly Flow Chart
30
9.2.
P.C.B. Positions
31
9.3.
Caution with inserting cassette tape when disassembling
the unit
32
9.4.
Top cover
33
9.5.
Front Panel
33
9.6.
Front Jack P.C.B., FL Drive P.C.B.
34
9.7.
VHS Mechanism Unit
36
9.8.
RAM/Digital P.C.B. Module
37
9.9.
DV Jack P.C.B.
38
9.10. Rear Panel, Fan Motor
39
9.11. HDMI P.C.B.
39
9.12. Dig. Interface P.C.B.
40
9.13. Backend P.C.B.
40
9.14. Main P.C.B.
40
10 Measurements and Adjustments
41
10.1. Service Positions
41
10.2. Caution for Replacing Parts
44
10.3. (DVD) Standard Inspection Specifications after Making
Repairs
47
11 Block Diagram
49
11.1. Power Supply Block Diagram
49
11.2. Main P.C.B. Regulator Block Diagram
50
11.3. Analog Video (1/2) Block Diagram
51
11.4. Analog Video (2/2) Block Diagram
52
11.5. Analog Audio Block Diagram
53
11.6. D-IF/Timer Block Diagram
55
11.7. System Control & Servo Block Diagram
56
11.8. HDMI Block Diagram
57
12 Schematic Diagram
59
12.1. Interconnection Schematic Diagram
59
12.2. Power Supply Section (Dig. Interface P.C.B.(1/2))
Schematic Diagram (P)
61
12.3. Digital I/F (1/4) Section (Dig. Interface P.C.B.(2/2))
Schematic Diagram (IF)
63
12.4. Digital I/F (2/4) Section (Dig. Interface P.C.B.(2/2))
Schematic Diagram (IF)
64
12.5. Digital I/F (3/4) Section (Dig. Interface P.C.B.(2/2))
Schematic Diagram (IF)
65
12.6. Digital I/F (4/4) Section (Dig. Interface P.C.B.(2/2))
Schematic Diagram (IF)
66
12.7. Video Section (Main P.C.B.(1/5)) Schematic Diagram (V)
67
12.8. VHS Audio Section (Main P.C.B.(2/5)) Schematic Diagram
(A)
68
12.9. Syscon/Servo/Timer (1/4) Section (Main P.C.B.(3/5))
Schematic Diagram (S)
69
12.10. Syscon/Servo/Timer (2/4) Section (Main P.C.B.(3/5))
Schematic Diagram (S)
70
12.11. Syscon/Servo/Timer (3/4) Section (Main P.C.B.(3/5))
Schematic Diagram (S)
71
12.12. Syscon/Servo/Timer (4/4) Section (Main P.C.B.(3/5))
Schematic Diagram (S)
72
12.13. I/O Section (1/4) (Main P.C.B.(4/5)) Schematic Diagram
(AV)
74
12.14. I/O Section (2/4) (Main P.C.B.(4/5)) Schematic Diagram
(AV)
75
12.15. I/O Section (3/4) (Main P.C.B.(4/5)) Schematic Diagram
(AV)
76
12.16. I/O Section (4/4) (Main P.C.B.(4/5)) Schematic Diagram
(AV)
77
12.17. Tuner Section (Main P.C.B.(5/5)) Schematic Diagram (TU)
79
12.18. HDMI Schematic Diagram
80
12.19. FL Drive Schematic Diagram
81
12.20. DV Jack Schematic Diagram
82
12.21. Front Jack Schematic Diagram
82
13 Printed Circuit Board
83
13.1. Dig. Interface P.C.B.
83
13.2. Main P.C.B.
88
13.3. HDMI P.C.B.
93
CONTENTS
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Page
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DMR-EZ47VEB
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