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7-9. SCHEMATIC DIAGRAM — CONTROL BOARD —
CONTROL BOARD
S820
(OPEN)
C
MAIN
BOARD
(Page 21)
CN303
VOLTAGE CHART
IC801
NO.
VOLT
NO.
VOLT
NO.
VOLT
NO.
VOLT
1
3.6
26
1.8
51
-30.8
76
0
2
0
27
3.2
52
-22.4
77
0
3
0
28
0
53
-13.8
78
0
4
0
29
3.1
54
-16.7
79
0
5
0
30
-30.3
55
-27.8
80
0
6
3.2
31
-28.4
56
-30.6
81
0
7
0
32
-28.4
57
-30.6
82
0
8
3.1
33
-28.4
58
-22.3
83
0
9
3.2
34
-28.4
59
-27.8
84
3.1
10
3.4
35
-28.4
60
-30.6
85
0
11
3.2
36
-28.4
61
–
86
–
12
1.2
37
-28.4
62
–
87
0
13
1.6
38
-28.4
63
–
88
3.1
14
0
39
-28.4
64
–
89
0
15
1.6
40
-28.5
65
–
90
3.2
16
1.6
41
-28.5
66
0
91
–
17
3.2
42
-28.5
67
3.6
92
–
18
1.4
43
-14.1
68
3.6
93
–
19
1.6
44
-25.3
69
–
94
3.1
20
3.2
45
-30.6
70
2.7
95
3.2
21
3.2
46
3.2
71
0
96
0
22
3.7
47
-27.8
72
3.2
97
3.2
23
3.3
48
-19.5
73
0
98
0
24
1.3
49
-16.7
74
0
99
0
25
1.8
50
-19.7
75
2.9
100
3.2
• See page 28 for Waveforms. • See page 32 for IC Pin Function Description.
Q807,808
LED DRIVE
0
2.0
3.1
0
470/6.3V
1SS133T-77
1SS133T-77
1SS133T-77
1SS133T-77
M62703SL-TP
3.2
RESET SWITCH
3.2
3.3
0
0
47/25V
IC803
VOLTAGE DETECT
(Page 21)
FLUORESCENT INDICATOR TUBE
IC801
SYSTEM CONTROLLER
IC801
LC876980B-52T4-E
6
7
(AEP, UK)
47K
1
E
(EXCEPT
AEP, UK)
0
Q802,803
PLUNGER DRIVE
1SS133T-77
2
1
R868
E51
4.7K
E51
SP,KR
0
AEP,UK
G
MAIN
BOARD
CN302
25
25
RPM7240-H4
3.1
3.1
100
RD5.1ESB2
Q804,805
CAPSTAN/REEL
100/10V
MOTOR DRIVE
3.7
0
KRC102S
SWITCH
10.0
10.0
0
0
220/10V
10.0
10.0
1SS133T-77
10.0
10.0
0
22K
R867
1K
0
NO MARK: FM
CX-LEM550
IC802
REMOTE CONTROL
RECEIVER
SP,E51,KR:11P
AEP, UK:15P
FM 75Ω
(COAXIAL)
FM/AM
ANTENNA
TUNER PACK
AM
TAPE
MECHANISM
DECK
(PLAY)
(R REC)
(F REC)
(PACK)
M1
(DECK)
(T END)
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