Read Panasonic DMR-EH68EC / DMR-EH68EP / DMR-EH685EG 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
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
17
7.1.
Self-Diagnosis and Special Mode Setting
17
8
Service Fixture & Tools
29
9
Disassembly and Assembly Instructions
30
9.1.
Disassembly Flow Chart
30
9.2.
P.C.B. Positions
31
9.3.
Top case
32
9.4.
Front Panel
32
9.5.
Front (L) P.C.B., Front (R) P.C.B.
33
9.6.
HDD, ATAPI P.C.B.
33
9.7.
RAM/Digital P.C.B. Module
35
9.8.
DV Jack P.C.B., USB SD P.C.B.
36
9.9.
Rear Panel
37
9.10. Power P.C.B.
37
9.11. HDMI P.C.B.
38
9.12. Main P.C.B., SW P.C.B.
38
10 Measurements and Adjustments
39
10.1. Service Positions
39
10.2. Caution for Replacing Parts
43
10.3. Standard Inspection Specifications after Making Repairs 45
11 Block Diagram
47
11.1. Power Supply Block Diagram
47
11.2. Analog Video Block Diagram
49
11.3. Analog Audio Block Diagram
50
11.4. Analog Timer Block Diagram
51
11.5. HDMI Block Diagram
52
12 Schematic Diagram
53
12.1. Interconnection Schematic Diagram
53
12.2. Power Supply Schematic Diagram
54
12.3. Main Net (1/4) Section (Main P.C.B. (1/4)) Schematic
Diagram (M)
55
12.4. Main Net (2/4) Section (Main P.C.B. (1/4)) Schematic
Diagram (M)
56
12.5. Main Net (3/4) Section (Main P.C.B. (1/4)) Schematic
Diagram (M)
57
12.6. Main Net (4/4) Section (Main P.C.B. (1/4)) Schematic
Diagram (M)
58
12.7. AV I/O (1/4) Section (Main P.C.B. (2/4)) Schematic
Diagram (AV)
60
CONTENTS
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Page
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DMR-EH68EC / DMR-EH68EP / DMR-EH685EG
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