1 INTRODUCTION
5
2 SAFETY PRECAUTIONS
5
2.1.
GENERAL GUIDELINES
5
3 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO
ELECTROSTATIC SENSITIVE (ES) DEVICES
6
4 PRECAUTION OF LASER DIODE
7
5 HANDLE THE LEAD-FREE SOLDER
7
5.1.
ABOUT LEAD FREE SOLDER (PbF)
7
6 PREVENTION OF STATIC ELECTRICITY DISCHARGE
8
6.1.
GROUNDING FOR ELECTROSTATIC BREAKDOWN
PREVENTION
8
6.2.
HANDLING PRECAUTIONS FOR OPTICAL PICK-UP
UNIT
8
7 GENERAL DESCRIPTION
9
8 NEW FEATURES
10
8.1.
QUICK START FUNCTION (REC)
10
9 (DVD) TAKING OUT THE DISC FROM RAM-DRIVE UNIT WHEN
THE DISC CANNOT BE EJECTED BY BUTTON
11
9.1.
(DVD) FORCIBLE DISC EJECT
11
9.2.
(DVD) WHEN THE FORCIBLE DISC EJECT CAN NOT
BE DONE.
11
10 (VHS) REMOVING OF CASSETTE TAPE
12
10.1. (VHS) REMOVAL BY COMPULSORY UNLOADING.
12
10.2. (VHS) REMOVAL BY MANUAL OPERATION.
12
10.3. (VHS) TAKE OUT CASSETTE TAPE MANUALLY AFTER
REMOVING THE MECHANNISM
13
11 (DVD) SERVICE EXPLORER
14
12 (DVD) SELF-DIAGNOSIS AND SPECIAL MODE SETTING
17
12.1. (DVD) SELF-DIAGNOSIS FUNCTIONS
17
12.2. (DVD) SPECIAL MODES SETTING
19
12.3. (DVD) SERVICE MODES
21
13 (VHS) SELF-DIAGNOSIS AND SPECIAL MODE SETTING
26
13.1. (VHS) SPECIAL MODES SETTING
26
13.2. (VHS) SERVICE MODES
26
13.3. (VHS) SELF-DIAGNOSIS FUNCTIONS
28
14 ASSEMBLING AND DISASSEMBLING
30
14.1. DISASSEMBLY FLOW CHART
30
14.2. P.C.B. POSITIONS
30
14.3. CAUTION WHILE INSERTING CASSETTE TAPE WHEN
DISASSEMBLING THE UNIT
30
14.4. TOP CASE
31
14.5. FRONT PANEL
31
14.6. FRONT JACK P.C.B. & FL DRIVE P.C.B.
32
14.7. REAR PANEL & FAN MOTOR
32
14.8. VCR MECHANISM UNIT
33
14.9. MAIN P.C.B.
34
14.10. DVD VIF DECODER,VCR VIF DECODER,VCR NICAM
P.C.B.,DVD NICAM P.C.B
34
14.11. DVD-RAM DRIVE
35
14.12. DIGITAL P.C.B.
36
14.13. POWER & DIGITAL I/F P.C.B.
37
15 SERVICE FIXTURE AND TOOLS
38
16 SERVICE POSITIONS
39
16.1. CHECKING AND REPAIRING OF POWER & DIGITAL I/F
P.C.B.
39
16.2. CHECKING AND REPAIRING OF MAIN P.C.B.
40
16.3. CHECKING AND REPAIRING OF DVD-RAM DRIVE 41
17 (DVD) CAUTION AFTER REPLACING PARTS
42
17.1. (DVD) AFTER REPLACING THE RAM DRIVE
42
17.2. (DVD) AFTER REPLACING THE TIMER
MICROPROCESSOR
42
17.3. (DVD) AFTER REPLACING EEPROM (IC9705)
42
18 (VHS) CAUTION AFTER REPLACING PARTS
43
18.1. ADJUSTMENT PROCEDURES AFTER REPLACING DD
CYLINDER, VHS MICROPOCESSOR OR MAIN P.C.B 43
18.2. (VHS) X-VALUE & LINEARITY (P2 AND P3 POSTS)
ADJUSTMENT
44
18.3. (VHS) CAUTION AFTER REPLACING VHS
MICROPROCESSOR (IC6001)
45
19 (DVD) STANDARD INSPECTION SPECIFICATIONS AFTER
MAKING REPAIRS
46
20 VOLTAGE AND WAVEFORM CHART
47
20.1. WAVEFORM CHART
52
21 ABBREVIATIONS
53
21.1. DVD
53
21.2. VHS
55
22 INTERCONNECTION DIAGRAM
59
23 BLOCK DIAGRAM
61
23.1. POWER SUPPLY BLOCK DIAGRAM
61
23.2. SYSTEM CONTROL, SERVO & TIMER BLOCK
DIAGRAM
62
23.3. AUDIO BLOCK DIAGRAM
63
23.4. VIDEO BLOCK DIAGRAM
64
23.5. DIGITAL I/F P.C.B. BLOCK DIAGRAM
67
24 SCHEMATIC DIAGRAM
69
24.1. POWER SUPPLY
69
24.2. DVD OUTPUT
70
24.3. INTERFACE
71
24.4. IO / TUNER
72
24.5. SYSCON / SERVO / TIMER MAIN
73
24.6. VHS AUDIO
74
24.7. VIDEO
75
24.8. NICAM DECODER
76
24.9. FRONT JACK
77
24.10. FL DRIVE
78
25 PRINTED CIRCUIT BOARD
79
25.1. POWER & DIGITAL I/F P.C.B. (COMPONENT SIDE) 79
25.2. POWER & DIGITAL I/F P.C.B. (SOLDER SIDE)
80
25.3. MAIN P.C.B. (COMPONENT SIDE)
81
25.4. MAIN P.C.B. (SOLDER SIDE)
82
25.5. NICAM DECODER P.C.B. (VEP07A51A / VEP07A51B) 83
25.6. NICAM DECODER P.C.B. (VEP07A51E / VEP07A51F) 84
CONTENTS
Page
Page
3
DMR-ES30VEG / DMR-ES30VEC / DMR-ES30VEB
Содержание DMR-ES30VEB
Страница 29: ...29 DMR ES30VEG DMR ES30VEC DMR ES30VEB ...
Страница 60: ...DMR ES30VEG DMR ES30VEC DMR ES30VEB 60 ...
Страница 68: ...DMR ES30VEG DMR ES30VEC DMR ES30VEB 68 ...
Страница 87: ...26 EXPLODED VIEWS 26 1 MECHANISM CASING PARTS 87 DMR ES30VEG DMR ES30VEC DMR ES30VEB ...
Страница 88: ...26 2 FRONT PANEL PARTS 88 DMR ES30VEG DMR ES30VEC DMR ES30VEB ...
Страница 89: ...26 3 VHS MECHANISM PARTS 89 DMR ES30VEG DMR ES30VEC DMR ES30VEB ...
Страница 90: ...26 4 PACKING ACCESSORIES 90 DMR ES30VEG DMR ES30VEC DMR ES30VEB ...