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14 Appendix for Schematic Diagram
14.1. 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.
14.1.1. Power P.C.B.
Ref No.
MODE
1
2
3
REC
3.0
1.5
0
PLAY
3.0
1.5
0
STOP
3.0
1.5
0
Ref No.
MODE
1
2
3
REC
12.3
4.5
1.2
PLAY
12.3
4.5
1.2
STOP
12.3
4.5
1.2
Q1200
Ref No.
MODE
1
2
3
REC
9.3
8.3
0
PLAY
9.3
8.3
0
STOP
9.3
8.3
0
QR1800
Ref No.
MODE
E
C
B
REC
11.9
0
12.3
PLAY
11.9
0
12.3
STOP
11.9
0
12.3
14.1.2. Main P.C.B.
IC1501
Ref No.
MODE
1
2
3
REC
-
0
0
PLAY
-
0
0
STOP
-
0
0
Ref No.
MODE
1
2
3
REC
12.2
4.5
1.2
PLAY
12.2
4.5
1.2
STOP
12.2
4.5
1.2
Ref No.
MODE
1
2
3
REC
3.3
-
2.0
PLAY
3.3
-
2.0
STOP
3.3
-
2.0
Ref No.
MODE
1
2
3
REC
2.0
2.5
1.6
PLAY
2.0
2.5
1.6
STOP
2.0
2.5
1.6
Ref No.
MODE
21
22
23
REC
0
1.7
1.7
PLAY
0
1.7
1.7
STOP
0
1.7
1.6
Ref No.
MODE
41
42
43
REC
1.6
5.1
2.0
PLAY
1.6
5.1
2.0
STOP
1.6
5.1
2.0
Ref No.
MODE
61
62
63
REC
4.5
4.5
4.5
PLAY
4.5
4.5
4.5
STOP
3.7
3.7
3.7
Ref No.
MODE
81
82
83
REC
2.1
5.0
1.5
PLAY
2.1
5.0
1.5
STOP
4.7
5.0
1.5
DMR-EX77EG / DMR-EX77EC / DMR-EX77EC1 / DMR-EX77EB / DMR-EX87EG / DMR-EX87EC / DMR-EX87EC1 / DMR-EX87EB
IC1150
4
5
6
7
8
11.6
0
-
-
-
11.6
0
-
-
-
11.6
0
-
-
-
IC1601
4
5
6
7
8
1.3
0.8
0
7.2
12.3
1.3
0.8
0
7.2
12.3
1.3
0.8
0
7.2
12.3
4
1
2
3
1.5
12.3
12.3
12.3
1.5
12.3
12.3
12.3
1.5
12.3
12.3
12.3
QR1801
E
C
B
0
4.5
0
0
4.5
0
0
4.5
0
IC1506
4
5
1
2
3.0
3.2
4.8
6.1
3.0
3.2
4.8
6.1
3.0
3.2
4.8
6.1
IC1508
4
5
6
7
8
1.3
0.9
0
9.0
12.2
1.3
0.9
0
9.0
12.2
1.3
0.9
0
9.0
12.2
IC1521
4
5
6
7
8
0
4.8
-
-
4.1
0
4.8
-
-
4.1
0
4.8
-
-
4.1
4
5
6
7
8
0
1.6
5.0
1.6
5.0
0
1.6
5.0
1.6
5.0
0
1.6
5.0
1.6
5.0
24
25
26
27
28
1.7
5.0
1.4
0.1
1.4
1.7
5.0
1.4
0.1
1.4
1.7
5.0
1.4
0.2
1.4
44
45
46
47
48
0
2.0
11.6
1.6
2.0
0
2.0
11.6
1.6
2.0
0
2.0
11.6
1.6
2.0
64
65
66
67
68
4.5
9.0
0
0
0
4.5
9.0
0
0
0
3.8
9.0
0
0
0
84
85
86
87
88
5.1
2.1
4.5
3.6
4.8
5.1
2.1
4.5
3.6
4.8
5.1
2.1
4.5
3.6
4.8
IC1200
9
1
2
3
-
8.3
2.5
0
-
8.3
2.5
0
-
8.3
2.5
0
Q1600
4
5
6
7
8
7.2
6.1
6.1
6.1
6.1
7.2
6.1
6.1
6.1
6.1
7.2
6.1
6.1
6.1
6.1
3
4
5
0
5.2
5.2
0
5.2
5.2
0
5.2
5.2
IC1510
1
2
3
4
5.0
0
4.8
6.1
5.0
0
4.8
6.1
5.0
0
4.8
6.1
IC3001
9
10
11
12
13
0.4
0.3
1.6
0.4
0
0.4
0.3
1.6
0.4
0
0.4
1.6
1.6
0.4
0
IC3001
29
30
31
32
33
0
2.1
1.6
0
1.6
0
2.1
1.6
0
1.6
0
2.1
1.6
0
1.6
IC3001
49
50
51
52
53
4.5
4.4
4.4
4.0
4.5
4.5
4.4
4.4
4.0
4.5
4.5
4.5
4.0
4.5
4.5
IC3001
69
70
71
72
73
0
0
4.5
4.5
4.5
0
0
4.5
4.5
4.5
0
0
4.5
4.5
4.5
IC3001
89
90
91
92
93
4.6
5.0
2.0
2.8
2.1
4.6
5.0
2.0
2.8
2.1
4.6
5.1
5.0
2.8
2.1
83
IC1520
5
1
2
3
5.0
6.1
0
4.8
5.0
6.1
0
4.8
5.0
6.1
0
4.8
14
15
16
17
18
1.7
1.7
1.6
0.4
0
1.7
1.7
1.6
0.4
0
1.7
1.7
1.6
0.4
0
34
35
36
37
38
0
2.1
0
1.6
0
0
2.1
0
1.6
0
0
2.1
0
1.6
0
54
55
56
57
58
4.5
4.5
4.5
9.1
4.4
4.5
4.5
4.5
9.1
4.4
4.4
4.5
3.9
9.1
4.0
74
75
76
77
78
4.5
0
-
9.5
4.5
4.5
0
-
9.5
4.5
4.5
0
-
0.3
4.5
94
95
96
97
98
5.1
2.0
0
2.1
0
5.1
2.0
0
2.1
0
5.1
2.0
0
2.1
0
4
5
-
5.1
-
5.1
-
5.1
19
20
1.7
1.7
1.7
1.7
1.7
1.7
39
40
1.6
5.0
1.6
5.0
1.6
5.0
59
60
4.4
4.5
4.4
4.5
4.3
3.7
79
80
4.5
0
4.5
0
4.5
0
99
100
2.0
2.5
2.0
2.5
2.0
2.5
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