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CD-C621H
A
B
C
A_GND
TUN_SM
VLOAD (–VP)
P21 12 - F
SPN_P
CNP701
HI_CUT
TO MAIN PWB
S.MUTE
SP_DET
SP_RLY
T_T1 T2
T_BIAS
D
REC/PLAY
D_GND
12V M
SPA SIG
–15V
E
F
TAPE MECHANISM
PWB-F
FWM1
2+
M
–
PHM1
2
4
MM1
RUN PALS
G
TAPE MOTOR
SENSOR
1
3
SWM3
F.P.
CNPM2
SWM4
F.A.S
SOLM1
SOLENOID
SWM5
CAM
FWM2
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1
DISPLAY PWB-A3
R721
R722
R723
100K
100K
100K
Q707
Q705
Q706
2SC3331
2SC3331
2SC3331
CLK
1
DO
2
CE
3
DI
4
5
6
VF1
7
8
VF2
9
10
11
12
13
14
15
16
17
18
+B
19
20
–B
21
+B
5V
22
+B
–B
R562
390K
C551
R551
270P
10K
C557
R556
270P
33K
R558
C559
68K
0.0027
R553
C553
12K
0.0027
D551
1SS133
R555
C555
56K
0.0068
C556
R560
C561
0.0068
0.022
470K
R567 270K
R561
C562
15K
0.022
R573
560K
+B
MOTOR
1
1
2
2
3
3
GND
4
4
+12V
5
5
T2 RUN
6
6
7
7
FPA
8
8
9
9
T1 RUN
10
10
SOLENOID
11
11
CAM SW
12
12
CNSM1
2
Figure 24 SCHEMATIC DIAGRAM (5/9)
C720
47/50
R716
33
R717
10K
–B
R575
R574
330
330
R568
D554
2
4
220K
1SS133
SPEANA3
3
1
R578
C566
R570
2.2/50
100K
220K
D555
5
8
1SS133
SPEANA2
6
7
R579
100K
IC563
OPE AMP.
KIA4558P
–B
D556
4
2
1SS133
R572
SPEANA1
3
1
2.2M
C568
2.2/50
8
5
6
7
IC562
KIA4558P
OPE AMP.
ZD551
MTZJ6.2C
3
4
– 24 –
FL701
FL DISPLAY
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 26 27 28 29 30 31 3
80
C702
79
1/50
78
77
76
75
74
73
72
71
70
69
68
67
R701
66
1K
65
R702
1K
64
R703
1K
63
R705
62
1K
61
60
R709
59
1K
58
57
56
55
R712
22K
54
R713
1K
53
R714
1K
52
R715
1K
51
+B
+B
12V
+B
R760
Q702
10K
KTA1273 Y
12V
0V
+B
C705
Q703
47/25
KTA1271 Y
+B
0V
12V
D716
1SS133
12V
R758
1.2K
+B
1 2 3
5
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
9
VLOAD
P11
P12
80
P10
1
VDD
P13
P14
P15
P16
C
P17
IC701
P18
IX0281AW
P19/DIST1
SYSTEM CONTRO
P20/DIST2
MICROCOMPUTER
P21/DIST3
P22/DIST4
NC DISTOUT
C
DIST0
L:DEMOSTART
SPN_P
DIST0
H:ECOSTART
SP_DET
C
SPRLY
HI-CUT
C
S MUTE
52
REC/PLAY
30
T2 RUN
51
AC RLY-CON
DIST0
T_T1T2
T-BIAS
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
3
+B
R752
10K
R755
+B
10K
R753
R756
10K
10K
R754
R757
10K
10K
+B
+B
+B
+B
+B
+B
BI701
4
5
6
8
7
LE
+B
LE
6
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