1
SAFETY PRECAUTIONS
3
1.1.
GENERAL GUIDELINES
3
2
WARNING
4
2.1.
PREVENTION OF ELECTROSTATIC DISCHARGE
(ESD) TO ELECTROSTATIC SENSITIVE (ES) DEVICES 4
2.2.
PRECAUTION OF LASER DIODE
5
2.3.
SERVICE CAUTION BASED ON LEGAL RESTRICTIONS
6
3
SERVICE NAVIGATION
7
3.1.
SERVICE INFORMATION
7
3.2.
CAUTION FOR DivX
7
4
SPECIFICATION
8
5
NEW FEATURE
9
5.1.
ABOUT DivX (EXCEPT EB)
9
5.2.
HDAVI CONTROL (HDMI LINK)
14
6
LOCATION OF CONTROLS AND COMPONENTS
16
7
OPERATING INSTRUCTIONS
17
7.1.
TAKING OUT THE DISC FROM DVD-DRIVE UNIT WHEN
THE DISC CANNOT BE EJECTED BY OPEN/CLOSE
BUTTON
17
8
SERVICE MODE
18
8.1.
SELF-DIAGNOSIS AND SPECIAL MODE SETTING 18
9
SERVICE FIXTURE AND TOOLS
28
10 ASSEMBLING AND DISASSEMBLING
29
10.1. DISASSEMBLY FLOW CHART
29
10.2. P.C.B. POSITIONS
29
10.3. TOP CASE
30
10.4. FRONT PANEL
30
10.5. SD CARD P.C.B.
30
10.6. RAM/DIGITAL P.C.B. MODULE
31
10.7. DV IN P.C.B.
32
10.8. HARD DISC DRIVE
32
10.9. POWER P.C.B.
34
10.10. REAR PANEL
34
10.11. BACK END P.C.B.
35
10.12. MAIN P.C.B. AND FRONT P.C.B.
35
10.13. TUNER P.C.B. AND TUNER
36
10.14. HDMI P.C.B.
36
11 MEASUREMENTS AND ADJUSTMENTS
37
11.1. SERVICE POSITIONS
37
11.2. CAUTION FOR REPLACING PARTS
41
11.3. STANDARD INSPECTION SPECIFICATIONS AFTER
MAKING REPAIRS
43
11.4. ABBREVIATIONS
44
12 BLOCK DIAGRAM
47
12.1. POWER BLOCK DIAGRAM
47
12.2. ANALOG VIDEO BLOCK DIAGRAM
49
12.3. ANALOG AUDIO BLOCK DIAGRAM
50
12.4. TIMER BLOCK DIAGRAM
51
12.5. HDMI BLOCK DIAGRAM
52
13 SCHEMATIC DIAGRAM
53
13.1. INTERCONNECTION DIAGRAM
53
13.2. POWER
54
13.3. MAIN NET
55
13.4. MAIN AV IO
56
13.5. MAIN TIMER
57
13.6. MAIN NICAM
58
13.7. TUNER (REPD0032A)
59
13.8. TUNER (REPD0032B)
60
13.9. SD CARD / FRONT / DV IN
61
13.10. HDMI
62
14 PRINTED CIRCUIT BOARD
63
14.1. POWER P.C.B.
63
14.2. MAIN P.C.B.
64
14.3. TUNER P.C.B. (REPD0032B)
66
14.4. TUNER P.C.B. (REPD0032A) / DV IN P.C.B.
(VEP73135A)
67
14.5. SD CARD P.C.B. / FRONT P.C.B.
68
14.6. HDMI P.C.B.
69
15 APPENDIX FOR SCHEMATIC DIAGRAM
71
15.1. VOLTAGE AND WAVEFORM CHART
71
16 EXPLODED VIEWS
76
16.1. CASING PARTS AND & MECHANISM SECTION
76
16.2. PACKING & ACCESSORIES SECTION
77
17 REPLACEMENT PARTS LIST
78
17.1. CASING PARTS & PRINTED CIRCUIT BOARDS
78
17.2. PACKING & ACCESSORIES PARTS
79
17.3. ELECTRICAL PARTS
79
17.4. SERVICE FIXTURE AND TOOLS
88
CONTENTS
Page
Page
2
DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB