Pioneer PD-M427 Service Manual page 13
Multi compact disc player
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Also See for PD-M427:
- Servise manual (32 pages) ,
- Service manual (32 pages) ,
- Operating instructions manual (40 pages)
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5
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST"
1SS254
10
: The power supply is shown with the marked box.
5
6
IC351(PD4836A)
PLAY:1DISC PLAY.
2
PIN No.
1
3
4
5
6
7
8
5.0
-23.2
-23.2 -23.2 -23.2
-23.2
-23.2
-23.2
Volta-
PLAY
ge(V)
STOP
5.0
-23.8
-23.7 -23.7 -23.8
-23.8
-23.8
-23.8
PIN No.
22
21
23
24
25
26
27 28
-22.5 -19.8
-13.5
-0.4
-0.43
4.9
-19.0 -20.0 -13.5
Volta-
PLAY
ge(V)
STOP
-22.9
-23.2
-10.5
-0.37
-0.44
4.9 -22.8 -26.4
PIN No.
41
42
43
44
45
46
47 48
Volta-
PLAY
0.0
0.0
0.0
0.0
0.0
5.0
0.0
0.0
ge(V)
0.0
STOP
0.0
0.0
0.0
0.0
0.0
5.0
0.0
MTZJ5.1
AC POWER CORD
PDG1075 :
AC110-127V/220-240V
50/60Hz
POWER
TRANSFORMER
PTT1238
PD-M427
6
7
9
10
11
12
13
14
15
16
17
18
19
-23.2
-23.2
-23.2
4.9
-0.1
-16.8
-17.0
-25.9
-5.2
-23.8
-23.8
-23.8
0.2
-0.1
-26.4
-5.2
-16.7 -16.7
32
34
38
39
29
30
31
33
35
36
37
-13.3
4.9
4.8
4.0
0.9
4.9
4.0
0.0
0.0
0.0
-10.5
-10.4
4.8
4.9
2.5
2.9
4.9
2.3
0.0
0.0
0.0
49
50
51
52
53
54
55
56
57
58
59
0.1
5.0
4.9
4.9
4.9
4.9
4.9
2.3
2.2
0.1
0.1
0.0
0.0
4.9
4.9
4.9
4.9
2.3
2.2
0.1
100k
100k
1.6V
22/25
0V
47k
-9.2V
1.6V
NJM4558D-D
10
-9.2V
1.6V
NJM4558D-D
0V
47k
22/25
1.6V
100k
100k
FUNCTION BOARD ASSY
S701 :
S702 : REPEAT
S703 : PGM
S704 : DISC
S705 :
S706 :
S707 : STOP
S709 : RANDOM
S710 : HI-LITESCAN
SW BOARD ASSY
S801 : POWER STANDBY/ON
7
8
20
-22.2
-23.0
40
0.0
0.0
60
61
62
63
64
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0V
0V
0V
EJECT
TRACK
/MANUAL SEARCH REV
TRACK
/MANUAL SEARCH FWD
A
13
8
A
B
C
D
E
F
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