17 Voltage and Waveform Chart
Note)
Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point, because
it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product
itself.
17.1. Power P.C.B.
Ref No.
MODE
1
2
3
4
5
1
2
3
1
2
3
4
5
6
7
8
REC
2.3
1.7
0
12.0
-540
10.9
2.5
0
12.2
0
1.3
4.2
0
0.9
0.8
1.1
PLAY
2.3
1.7
0
12.0
-540
10.9
2.5
0
12.2
0
1.3
4.2
0
0.9
0.8
1.1
STOP
2.3
1.7
0
12.0
-550
10.9
2.5
0
12.2
0
1.3
4.2
0
0.9
0.8
1.1
Ref No.
MODE
1
2
3
4
5
6
7
8
1
2
3
4
5
REC
12.1
4.5
1.3
1.3
1.2
0
8.6
12.1
-
0
0
5.0
5.1
PLAY
12.1
4.5
1.3
1.3
1.2
0
8.6
12.1
-
0
0
5.0
5.1
STOP
12.1
4.5
1.3
1.3
1.2
0
8.6
12.1
-
0
0
5.0
5.1
Ref No.
MODE
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
REC
12.1
4.5
1.2
1.2
0.8
0
6.6
12.2
12.2
4.5
1.3
1.2
1.2
0
9.1
12.2
PLAY
12.1
4.5
1.2
1.2
0.8
0
6.6
12.2
12.2
4.5
1.3
1.2
1.2
0
9.1
12.2
STOP
12.1
4.5
1.2
1.2
0.8
0
6.6
12.2
12.2
4.5
1.3
1.2
1.2
0
9.1
12.2
Ref No.
MODE
1
2
3
4
1
2
3
4
5
6
7
8
1
2
3
4
5
6
REC
11.9
10.9
0
1.7
12.2
12.2
12.2
6.1
12.2
12.2
12.2
12.2
3.4
3.4
8.6
12.1
3.4
3.4
PLAY
11.9
10.9
0
1.7
12.2
12.2
12.2
6.1
12.2
12.2
12.2
12.2
3.4
3.4
8.6
12.1
3.4
3.4
STOP
11.9
10.9
0
1.7
12.2
12.2
12.2
6.1
12.2
12.2
12.2
12.2
3.3
3.3
8.6
12.1
3.3
3.3
Ref No.
MODE
1
2
3
4
5
6
1
2
3
4
5
6
REC
6.3
6.3
6.6
12.2
6.3
6.3
1.3
1.3
9.1
12.2
1.3
1.3
PLAY
6.3
6.3
6.6
12.2
6.3
6.3
1.3
1.3
9.1
12.2
1.3
1.3
STOP
6.3
6.3
6.6
12.2
6.3
6.3
1.2
1.2
9.1
12.2
1.2
1.2
Ref No.
MODE
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
REC
0
0
3.3
0
0.1
4.9
0
4.5
0.1
0
0
4.9
11.7
0
0
PLAY
0
0
3.3
0
0.1
4.9
0
4.5
0.1
0
0
4.9
11.7
0
0
STOP
0
0
3.3
0
0.1
4.9
0
4.5
0.1
0
0
4.9
11.7
0
0
Ref No.
MODE
E
C
B
REC
0
4.5
0
PLAY
0
4.5
0
STOP
0
4.5
0
Q1600
Q1400
IC1200
IC1150
Q1700
IC1400
Q1270
Q1200
IC1501
IC1701
IC1601
IC1401
QR1303
QR1304
QR1800
QR1801
QR1302
QR1301
17.2. Main P.C.B.
Ref No.
MODE
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
REC
5.0
-
0
3.4
4.8
-
-
6.2
3.3
-
0
2.0
4.8
-
-
3.7
PLAY
5.0
-
0
3.4
4.8
-
-
6.2
3.3
-
0
2.0
4.8
-
-
3.7
STOP
5.0
-
0
3.4
4.8
-
-
6.2
3.3
-
0
2.0
4.8
-
-
3.7
Ref No.
MODE
1
2
3
4
5
1
2
3
4
5
6
7
8
REC
3.7
3.1
3.3
1.3
0
5.0
-
0
3.4
4.9
-
-
6.1
PLAY
3.7
3.1
3.3
1.3
0
5.0
-
0
3.4
4.9
-
-
6.1
STOP
3.7
3.1
3.3
1.3
0
5.0
-
0
3.4
4.9
-
-
6.1
Ref No.
MODE
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
REC
5.2
-
0
3.6
6.2
-
-
6.1
5.0
-
0
3.4
4.9
-
-
6.2
PLAY
5.2
-
0
3.6
6.2
-
-
6.1
5.0
-
0
3.4
4.9
-
-
6.2
STOP
5.2
-
0
3.6
6.2
-
-
6.2
5.0
-
0
3.4
4.9
-
-
6.2
Ref No.
MODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
REC
1.4
0
2.5
5.0
1.8
4.9
1.4
4.7
0.1
2.7
0
1.4
4.9
1.4
0
0.1
2.7
0
1.4
4.9
PLAY
1.4
0
2.5
5.0
1.8
4.9
1.4
4.7
0.1
2.7
0
1.4
4.9
1.4
0
0.1
2.7
0
1.4
4.9
STOP
1.4
0
2.5
5.0
1.8
1.6
1.4
4.7
0.1
2.7
0
1.4
4.9
1.4
0
0.1
2.7
0
1.4
4.9
Ref No.
MODE
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
REC
1.4
0
0.1
2.7
4.9
1.7
1.8
1.9
1.9
2.2
0
2.2
2.2
2.2
2.2
1.7
1.7
0
1.8
5.0
PLAY
1.4
0
0.1
2.7
4.9
1.7
1.8
1.9
1.9
2.2
0
2.2
2.2
2.2
2.2
1.7
1.7
0
1.8
5.0
STOP
1.4
0
0.1
2.7
4.9
1.8
1.8
1.9
1.9
2.2
0
2.2
2.2
2.2
2.2
1.7
1.7
0
1.8
5.0
Ref No.
MODE
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
REC
2.8
0
2.8
4.9
2.8
2.8
1.8
4.7
2.8
0
2.8
4.9
2.8
2.9
1.1
0
5.1
5.1
5.1
0.1
PLAY
2.8
0
2.8
4.9
2.8
2.8
1.8
4.7
2.8
0
2.8
4.9
2.8
2.9
1.1
0
5.1
5.1
5.1
0.1
STOP
2.8
0
2.8
4.9
2.8
2.8
1.8
4.7
2.8
0
2.8
4.9
2.8
2.9
1.1
0
5.1
5.1
5.1
0.1
IC3001
IC1501
IC1502
IC1510
IC3001
IC1504
IC1511
IC3001
IC1512
36
DMR-EH50 P / DMR-EH50 PC
Summary of Contents for DMR-EH50P
Page 2: ...2 DMR EH50P DMR EH50PC ...
Page 4: ...1 Specifications 4 DMR EH50P DMR EH50PC ...
Page 7: ...4 Precaution of Laser Diode 7 DMR EH50P DMR EH50PC ...
Page 9: ...7 Each Button 9 DMR EH50P DMR EH50PC ...
Page 10: ...10 DMR EH50P DMR EH50PC ...
Page 15: ...Error Occurring Disc State 15 DMR EH50P DMR EH50PC ...
Page 30: ...14 2 Checking and Repairing of Digital P C B 30 DMR EH50P DMR EH50PC ...
Page 31: ...14 3 Checking and Repairing of Main P C B 31 DMR EH50P DMR EH50PC ...
Page 33: ...14 4 Checking and Repairing of DVD RAM Drive 33 DMR EH50P DMR EH50PC ...
Page 34: ...14 5 Checking and Repairing of HDD 34 DMR EH50P DMR EH50PC ...
Page 48: ...DMR EH50P DMR EH50PC 48 ...
Page 72: ...DMR EH50P DMR EH50PC 72 ...
Page 73: ...22 Exploded Views 22 1 Casing Parts Mechanism Section 73 DMR EH50P DMR EH50PC ...
Page 74: ...22 2 Packing Accessories Section 74 DMR EH50P DMR EH50PC ...