1 Specifications 5
2 Safety precautions
6
2.1. General guidelines
6
2.2. Caution for fuse replacement
6
3 Prevention of Electrostatic Discharge (ESD) to Electrostatic
Sensitive (ES) Devices
7
4 Precaution of Laser Diode
8
5 How to replace the Lithium Battery
9
6 Handling the Lead-free Solder
9
6.1. About lead free solder (PbF)
9
7 Each Buttons
10
8 New Features
12
8.1. Quick start function (REC)
12
9 (DVD) Taking out the Disc from RAM-Drive Unit when the
Disc cannot be ejected by OPEN/CLOSE button
13
9.1. (DVD) Forcible Disc Eject
13
9.2. (DVD) When the Forcible Disc Eject can not be done.
13
10 (VHS) Removing Cassette Tape manually
14
10.1. (VHS) Removal by compulsory unloading.
14
10.2. (VHS) Removal by manual operation by rotating the
Loading Motor with the batteries.
14
10.3. (VHS) Take out Cassette Tapemanually after removing the
mechanism
15
11 (DVD) Service Explorer
16
12 (DVD) Self-Diagnosis and Special Mode Setting
19
12.1. (DVD) Self-Diagnosis Functions
19
12.2. (DVD) Special Modes Setting
20
12.3. (DVD) Service Modes
21
13 (VHS) Self-Diagnosis and Special Mode Setting
25
13.1. (VHS) Self-Diagnosis Functions
25
13.2. (VHS) Special Modes Setting
26
13.3. (VHS) Service Modes
26
13.4. (VHS) Self-Diagnosis History Memory Function
27
13.5. (VHS) Description of Self Diagnosis Memory
29
14 Assembling and Disassembling
31
14.1. Disassembly Flow Chart
31
14.2. P.C.B. Positions
32
14.3. Caution with inserting cassette tape when disassembling
the unit
32
14.4. Top Case
33
14.5. Front Panel
33
14.6. Front Jack P.C.B. & FL Drive P.C.B.
34
14.7. Power Unit and Power P.C.B., Rear Panel & Fan Motor
34
14.8. VTR Mechanism Unit
36
14.9. Main P.C.B.
37
14.10. DVD-RAM Drive
37
14.11. Digital P.C.B.
37
14.12. Digital I/F P.C.B.
38
15 Service Fixture and Tools
39
16 Service Positions
40
16.1. Checking and Repairing of Power P.C.B.
40
16.2. Checking and Repairing of & Digital I/F P.C.B.
41
16.3. Checking and Repairing of Main P.C.B.
42
16.4. Checking and Repairing of Digital P.C.B.
43
16.5. Checking and DVD-RAM Drive
44
17 (Power P.C.B.) Caution after replacing parts
45
18 (DVD) Caution after parts replacing parts
45
18.1. (DVD) After replacing the RAM Drive with new one
45
18.2. (DVD) When the unit does not operate normally after
replacing the Timer Microprocessor or Main P.C.B.
45
19 (VHS) Caution after replacing parts
46
19.1. (VHS) Adjustment Procedures after replacing DD Cylinder,
VHS Microprocessor or Main P.C.B.
46
19.2. (VHS) X-VALUE & LINEARITY (P2 and P3 Posts)
ADJUSTMENT
47
19.3. (VHS) Caution after replacing VHS Microprocessor
(IC6001)
48
20 (DVD) Standard Inspection Specifications after Making
Repairs
49
21 Voltage and Waveform Chart
50
21.1. Power P.C.B.
50
21.2. Digital I/F P.C.B.
50
21.3. Main P.C.B.
51
21.4. FL Drive P.C.B.
53
21.5. Front Jack P.C.B.
54
21.6. P9001 Connector
54
21.7. Waveform
55
22 Abbreviations
57
22.1. DVD
57
22.2. VHS
59
23 Block Diagram
63
23.1. Power Supply Block Diagram
63
23.2. Digital I/F Regulator Block Diagram
64
23.3. Digital I/F Timer Block Diagram
65
23.4. System Control & Servo Block Diagram
66
23.5. Audio Block Diagram
67
23.6. Video Block Diagram
68
24 Schematic Diagram
71
24.1. Interconnection Schematic Diagram
71
24.2. Main Power Supply Schematic Diagram
73
24.3. Sub Power Section (Digital I/F P.C.B.(1/3)) Schematic
Diagram (SP)
74
CONTENTS
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DMR-ES30 VP / DMR-ES30 VPC
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