15 APPENDIX FOR SCHEMATIC DIAGRAM
15.1. VOLTAGE AND WAVEFORM CHART
Note:
Circuit voltage and waveform described, 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.
15.1.1. VOLTAGE CHART
15.1.1.1. POWER P.C.B.
Ref No.
MODE
1
2
3
4
5
6
7
8
9
1
2
3
REC
3.0
1.5
0
11.6
0
-
310
-
-1523
8.3
2.5
0
PLAY
3.0
1.5
0
11.6
0
-
310
-
-1523
8.3
2.5
0
STOP
3.0
1.5
0
11.6
0
-
310
-
-1538
8.3
2.5
0
Ref No.
MODE
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
REC
12.3
4.5
1.2
1.3
0.8
0
7.6
12.3
12.4
4.5
1.2
1.3
0
0
8.5
12.4
PLAY
12.3
4.5
1.2
1.3
0.8
0
7.6
12.3
12.4
4.5
1.2
1.3
0
0
8.5
12.4
STOP
12.3
4.5
1.2
1.3
0.8
0
7.6
12.3
12.4
4.5
1.2
1.3
1.2
0
8.5
12.4
Ref No.
MODE
1
2
3
4
1
2
3
4
5
6
7
8
REC 9.3 8.3 0 1.5
12.3 12.3 12.3 7.6 6.1 6.1 6.1 6.1
PLAY 9.3 8.3 0 1.5
12.3 12.3 12.3 7.6 6.1 6.1 6.1 6.1
STOP 9.3 8.3 0 1.5
12.3 12.3 12.3 7.6 6.1 6.1 6.1 6.1
Ref No.
MODE
E
C
B
E
C
B
REC
11.9
0
12.3
0
4.5
0
PLAY
11.9
0
12.3
0
4.5
0
STOP
11.9
0
12.3
0
4.5
0
QR1800
QR1801
IC1150
IC1200
Q1200
IC1601
IC1701
Q1600
15.1.1.2. MAIN P.C.B. - PART 1
Ref No.
MODE
1
2
3
4
5
1
2
3
4
5
REC
4.1
0
4.9
-
3.3
4.8
6.1
0
5.2
5.2
PLAY
4.1
0
4.9
-
3.3
4.8
6.1
0
5.2
5.2
STOP
4.1
0
4.9
-
3.3
4.8
6.1
0
5.2
5.2
Ref No.
MODE
1
2
3
4
5
6
7
8
1
2
3
4
5
1
2
3
4
5
REC
5.1
-
3.4
0
6.1
-
-
6.1
6.1
4.9
5.0
-
0
6.1
0
4.8
-
5.1
PLAY
5.1
-
3.4
0
6.1
-
-
6.1
6.1
4.9
5.0
-
0
6.1
0
4.8
-
5.1
STOP
5.1
-
3.4
0
6.1
-
-
6.1
6.1
4.9
5.0
-
0
6.1
0
4.8
-
5.1
Ref No.
MODE
1
2
3
4
5
6
7
8
1
2
3
4
5
REC
3.3
-
2.0
0
4.8
-
-
4.1
-
0
0
5.0
5.1
PLAY
3.3
-
2.0
0
4.8
-
-
4.1
-
0
0
5.0
5.1
STOP
3.3
-
2.0
0
4.8
-
-
4.1
-
0
0
5.0
5.1
Ref No.
MODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
REC
2.0
2.5
1.6
0
1.6
5.0
1.6
5.0
0.4
0.3
1.6
0.4
-
1.7
1.7
1.6
0.4
0
1.7
1.7
PLAY
2.0
2.5
1.6
0
1.6
5.0
1.6
5.0
0.4
0.3
1.6
0.4
-
1.7
1.7
1.6
0.4
0
1.7
1.7
STOP
2.0
2.5
1.6
0
1.6
5.0
1.6
5.0
0.4
1.6
1.6
0.4
-
1.7
1.7
1.6
0.4
0
1.7
1.7
Ref No.
MODE
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
REC
0
1.7
1.7
1.7
5.0
1.4
0.1
1.4
0
2.1
1.6
0
1.6
0
2.1
-
1.6
-
1.6
5.0
PLAY
0
1.7
1.7
1.7
5.0
1.4
0.1
1.4
0
2.1
1.6
0
1.6
0
2.1
-
1.6
-
1.6
5.0
STOP
0
1.7
1.6
1.7
5.0
1.4
0.2
1.4
0
2.1
1.6
0
1.6
0
2.1
-
1.6
-
1.6
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
1.6
5.1
2.0
0
2.0
11.6
1.6
2.0
4.5
4.4
4.4
4.0
4.5
4.5
-
4.5
9.1
4.4
4.4
4.5
PLAY
1.6
5.1
2.0
0
2.0
11.6
1.6
2.0
4.5
4.4
4.4
4.0
4.5
4.5
-
4.5
9.1
4.4
4.4
4.5
STOP
1.6
5.1
2.0
0
2.0
11.6
1.6
2.0
4.5
4.5
4.0
4.5
4.5
4.4
-
3.9
9.1
4.0
4.3
3.7
Ref No.
MODE
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
REC
4.5
4.5
-
4.5
9.0
0
0
0
0
0
4.5
4.5
4.5
4.5
0
-
9.5
4.5
4.5
0
PLAY
4.5
4.5
-
4.5
9.0
0
0
0
0
0
4.5
4.5
4.5
4.5
0
-
9.5
4.5
4.5
0
STOP
3.7
3.7
-
3.8
9.0
0
0
0
0
0
4.5
4.5
4.5
4.5
0
-
0.3
4.5
4.5
0
Ref No.
MODE
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
REC
2.1
5.0
1.5
5.1
2.1
4.5
3.6
4.8
4.6
5.0
2.0
2.8
2.1
5.1
2.0
0
2.1
0
2.0
2.5
PLAY
2.1
5.0
1.5
5.1
2.1
4.5
3.6
4.8
4.6
5.0
2.0
2.8
2.1
5.1
2.0
0
2.1
0
2.0
2.5
STOP
4.7
5.0
1.5
5.1
2.1
4.5
3.6
4.8
4.6
5.1
5.0
2.8
2.1
5.1
2.0
0
2.1
0
2.0
2.5
IC1521
IC3001
IC3001
IC3001
IC1505
IC1506
IC1507
IC1510
IC1520
IC1522
IC3001
IC3001
71
DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB