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
3.2. Caution for DivX
8
4 Specifications
9
5 Location of Controls and Components
11
6 Operation Instructions
13
6.1. Taking out the Disc from DVD-Drive Unit when the Disc
cannot be ejected by OPEN/CLOSE button
13
7 Service Mode
16
7.1. Self-Diagnosis and Special Mode Setting
16
8 Service Fixture & Tools
28
9 Disassembly and Assembly Instructions
29
9.1. Disassembly Flow Chart
29
9.2. P.C.B. Positions
30
9.3. Top case
31
9.4. Front Panel
31
9.5. HDD, ATAPI P.C.B.
32
9.6. RAM/Digital P.C.B. Module
34
9.7. DV Jack P.C.B.
35
9.8. Rear Panel
36
9.9. Power P.C.B.
36
9.10. HDMI P.C.B.
37
9.11. Main P.C.B., Front Jack P.C.B. and Front (L) P.C.B.
37
10 Measurements and Adjustments
38
10.1. Service Positions
38
10.2. Caution for Replacing Parts
42
10.3. Standard Inspection Specifications after Making Repairs
44
11 Block Diagram
45
11.1. Power Supply Block Diagram
45
11.2. Analog Video Block Diagram
47
11.3. Analog Audio Block Diagram
48
11.4. Analog Timer Block Diagram
49
11.5. HDMI Block Diagram
50
12 Schematic Diagram
51
12.1. Interconnection Schematic Diagram
51
12.2. Power Supply Schematic Diagram
52
12.3. Main Net (1/4) Section (Main P.C.B. (1/4)) Schematic
Diagram (M)
53
12.4. Main Net (2/4) Section (Main P.C.B. (1/4)) Schematic
Diagram (M)
54
CONTENTS
Page Page
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DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG