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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.
1
2
MODE
0
0
PLAY
0
0
STOP
Ref No.
1
2
MODE
12.2
4.5
PLAY
STOP
12.2
4.5
Ref No.
MODE
1
2
0
0
PLAY
STOP
0
0
Ref No.
21
22
MODE
-15
-12
PLAY
STOP
-15
-12
IC7001
Ref No.
41
42
MODE
-18
-18
PLAY
-18
3.3
STOP
Q14301(BDT110PU/PX)
Ref No.
MODE
1
2
6
6
PLAY
STOP
6
6
Q7401
Ref No.
1
2
MODE
4.5
0
PLAY
4.5
0
STOP
14.1.2. Waveform Chart
IC1021
3
4
5
6
7
0
0
3.1
3.1
3.1
0
0
3.1
3.1
3.1
IC14301( BDT110PU/PX)
3
4
5
6
7
0
1.2
1.3
0
0
0
1.2
1.3
0
0
3
4
5
6
7
0
0
0
0
3.3
0
0
0
0
3.3
23
24
25
26
27
-12
-9
-15
-20
-18
-12
-9
-15
-20
-18
IC7002(BDT110GA/GN/GT//GW/PU/PX)
43
44
1
2
3.3
0
5.9
0
3.3
0
5.9
0
3
4
5
6
11.7
12.2
6
6
11.7
12.2
6
6
Q7402
3
1
2
3
0
5
4.5
4.8
0
5
4.5
4.8
IC1102
8
1
2
3
3.1
0
0
3.6
3.1
0
0
3.6
8
11.8
11.8
IC7001
8
9
10
11
12
3.3
0
0
0
0
3.3
0
0
0
0
28
29
30
31
32
-20
-10
-20
0
0
-20
-10
-20
0
-0
3
4
5
0
5.0
5.8
0
5.0
5.8
Q1022
1
2
3
4
4.6
3.6
0
4.2
4.6
3.6
0
4.2
QR1170
1
2
3
0
3.3
0
0
3.3
0
60
4
2.4
2.4
13
14
15
16
17
3.3
-20
-20
-12
-20
3.3
-20
-20
-12
-20
33
34
35
36
37
0
0
0
-18
-18
0
0
0
-18
-18
Q1170
1
2
3
1
11.8
12.0
11.2
0.4
11.8
12.0
11.2
0.4
QR7003
1
2
3
1
3.3
0
0
4.4
3.3
0
0
4.4
18
19
20
-17
-20
0
-17
-20
0
38
39
40
-18
-18
-18
-18
-18
-18
Q1171
2
3
0
0
0
0
QR7401
2
3
0
0
0
0
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