25
25
CX-LEM550
7-9. SCHEMATIC DIAGRAM — CONTROL BOARD —
• See page 28 for Waveforms.
• See page 32 for IC Pin Function Description.
NO.
VOLTAGE CHART
IC801
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
VOLT
3.6
0
0
0
0
3.2
0
3.1
3.2
3.4
3.2
1.2
1.6
0
1.6
1.6
3.2
1.4
1.6
3.2
3.2
3.7
3.3
1.3
1.8
NO.
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
VOLT
1.8
3.2
0
3.1
-30.3
-28.4
-28.4
-28.4
-28.4
-28.4
-28.4
-28.4
-28.4
-28.4
-28.5
-28.5
-28.5
-14.1
-25.3
-30.6
3.2
-27.8
-19.5
-16.7
-19.7
NO.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
VOLT
-30.8
-22.4
-13.8
-16.7
-27.8
-30.6
-30.6
-22.3
-27.8
-30.6
–
–
–
–
–
0
3.6
3.6
–
2.7
0
3.2
0
0
2.9
NO.
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VOLT
0
0
0
0
0
0
0
0
3.1
0
–
0
3.1
0
3.2
–
–
–
3.1
3.2
0
3.2
0
0
3.2
0
3.1
0
0
3.2
0
0
10.0
10.0
10.0
10.0
10.0
10.0
0
3.7
0
0
3.1
3.1
3.3
3.2
2.0
0
NO MARK: FM
FLUORESCENT INDICATOR TUBE
1SS133T-77
1SS133T-77
1SS133T-77
SEL2155S-CD-TP
Q807,808
LED DRIVE
1SS133T-77
1SS355TE-77
M62703SL-TP
1SS133T-77
1SS133T
-77
1SS133T-77
KRC102S
22K
220/10V
RD5.1ESB2
100
RPM7240-H4
47K
47K
1
2
2
R868
SP,KR
0
4.7K
E51
1
R867
AEP,UK
1K
0
E51
IC802
REMOTE CONTROL
RECEIVER
Q804,805
CAPSTAN/REEL
MOTOR DRIVE
SWITCH
Q802,803
PLUNGER DRIVE
VOLTAGE DETECT
RESET SWITCH
IC803
TUNER/BAND
SYNCHRO
REC
nN
X
z
REC
PAUSE/START
?/1
N
470/6.3V
100/6.3V
47/25V
22/16V
100/10V
22/16V
(OPEN)
S820
ALBUM +
ALBUM -
DISPLAY
i-Bass
x
BASS/
TREBLE
. m
TUNING -
M >
CONTROL BOARD
TAPE
MECHANISM
DECK
M1
(DECK)
(T END)
(PACK)
(F REC)
(R REC)
(PLAY)
FM/AM
TUNER PACK
FM 75
Ω
(COAXIAL)
AM
ANTENNA
SP,E51,KR:11P
AEP, UK:15P
X802
(EXCEPT
AEP, UK)
(EXCEPT SP
, KR)
(AEP, UK)
E
Q808
Q807
R874
Summary of Contents for CX-LEM550
Page 47: ...47 CX LEM550 MEMO ...
