13
5
6
7
8
5
6
7
8
C
D
F
A
B
E
PD-M427
1.6V
1.6V
0V
0V
-9.2V
0V
-9.2V
0V
1.6V
1.6V
0V
AC POWER CORD
PDG1075 :
AC110-127V/220-240V
50/60Hz
POWER
TRANSFORMER
PTT1238
MTZJ5.1
FUNCTION BOARD ASSY
S701 : EJECT
S702 : REPEAT
S703 : PGM
S704 : DISC
S705 :
TRACK
/MANUAL SEARCH REV
S706 :
TRACK
/MANUAL SEARCH FWD
S707 : STOP
S709 : RANDOM
S710 : HI-LITESCAN
SW BOARD ASSY
S801 : POWER STANDBY/ON
1SS254
10
10
MZSI
MZS2
DCHM
LPS2
DCNT
DSUP
DSDW
LPS1
NJM4558D-D
NJM4558D-D
22/25
22/25
PIN No.
Volta-
ge(V)
PLAY
PLAY:1DISC PLAY.
STOP
5.0
5.0
-23.2
-23.8
1
2
3
4
5
-23.2 -23.2 -23.2
-23.7 -23.7 -23.8
6
7
8
9
-23.2
-23.8
-23.2
-23.8
-23.2
-23.8
-23.2
-23.8
10
11
12
13
14
-23.2
-23.8
-23.2
-23.8
4.9
0.2
15
16
17
18
19
-0.1
-0.1
-25.9
-26.4
-5.2
-5.2
20
PIN No.
Volta-
ge(V)
PLAY
STOP
21
22
23
24
25
26
27
28
29
4.9
4.9 -22.8 -26.4
30
31
32
33
34
4.9
4.8
4.0
2.5
35
36
37
38
39
4.9
4.9
0.0
0.0
40
4.8
4.9
2.9
4.0
2.3
0.0
0.0
0.0
0.0
0.0
0.0
PIN No.
Volta-
ge(V)
PLAY
STOP
41
42
43
44
45
46
47
48
49
0.0
0.0
50
51
52
53
54
4.9
4.9
55
56
57
58
59
4.9
4.9
0.1
0.1
60
4.9
4.9
4.9
2.3
2.3
2.2
2.2
0.1
0.1
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
5.0
5.0
0.0
0.0
5.0
0.0
4.9
0.0
4.9
61
62
63
64
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
IC351(PD4836A)
-16.8
-17.0
-16.7 -16.7
-22.2
-23.0
-22.9
-22.5 -19.8
-23.2
-13.5
-10.5
-0.4
-0.37
-0.43
-0.44
-19.0 -20.0 -13.5
-10.5
-13.3
-10.4
0.9
0.0
100k
100k
100k
100k
47k
47k
A
: The power supply is shown with the marked box.
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST"