Read Sharp CD-C621H (serv.man15) Service Manual online
CD-C621H
– 24 –
Figure 24 SCHEMATIC DIAGRAM (5/9)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
M
C720
47/50
R707
1K
R708
1K
Q707
2SC3331
R750
R749
10K
R748 10K
R747
10K
R709
1K
R712 22K
R713 1K
R715 1K
IC701
IX0281AW
SYSTEM CONTRO
MICROCOMPUTER
R737 1K
R736 1K
R734 2.2K
R733 2.2K
R732 1K
R731 1K
R730 1K
C568
2.2/50
Q703
KTA1271 Y
D716
1SS133
R759 10K
D554
1SS133
C566
2.2/50
D555
1SS133
D556
1SS133
LED722
SLI342UCJ
R735 1.8K
R757
10K
10K
R756
10K
R755
10K
R753
10K
R754
10K
10K
R752
10K
R714 1K
R701
1K
R702 1K
R703 1K
R705
1K
R741 1K
R740 1K
R739 10K
R738 1K
C705
47/25
Q702
KTA1273 Y
R760
10K
ZD551
MTZJ6.2C
C569 0.022
C563 0.022
R574
330
R575
330
R758
1.2K
R727 10K
R724 10K
R726 10K
FL701
FL DISPLAY
R723
100K
R722
100K
R721
100K
LE
LE
R720 10K
R719 10K
R717
10K
C557
270P
R558
68K
C553
0.0027
R562
390K
R556
33K
IC563
OPE AMP.
KIA4558P
R551
10K
C562
0.022
R572
2.2M
2.2M
R555
56K
C555
0.0068
IC562
KIA4558P
OPE AMP.
R561
15K
C561
0.022
R560
470K
C551
270P
R567 270K
C556
0.0068
R573
560K
R564
390K
C559
0.0027
R553
12K
R568
220K
220K
R570
220K
D551
1SS133
R566
2.2M
R580 100K
R579
100K
C567 2.2/50
R578
100K
CNS701
R716
33
R706
1K
Q706
2SC3331
Q705
2SC3331
1 2 3
4 5 6 7 8 9
DISPLAY PWB-A3
CNP701
TO MAIN PWB
C702
1/50
BI701
4
1
8
7
2
3
5
6
4
1
8
2
3
5
6
7
NC DISTOUT
SPN_P
SP_DET
SPRLY
DIST0
DIST0 L:DEMOSTART
DIST0 H:ECOSTART
REC/PLAY
AC RLY-CON
5V
–15V
SPA SIG
A_GND
TUN_SM
12V M
D_GND
REC/PLAY
T_BIAS
T_T1 T2
S.MUTE
HI_CUT
SP_RLY
SP_DET
SPN_P
VLOAD (–VP)
VF2
VF1
DO
CLK
CE
DI
12V
12V
12V
12V
0V
0V
U/D SW
VDD
G5
G6
G7
G8
G9
P1
P10
P11
P2
P3
P4
P5
P6
P7
P8
VLOAD
P16
HI-CUT
S MUTE
T_T1T2
T-BIAS
T-BIAS
FPA
TIFAS
CAM SW
VDD
T_MOT
T_SOL
TIMER LED
DNO SW
VSS
REMOCON
SYS STOP
O/C SW
PUIN SW
T2 RUN
P15
P14
P13
P12
P21/DIST3
P22/DIST4
P20/DIST2
P19/DIST1
P18
P17
P11
P10
P9
C
C
C
C
8
7
6
5
4
1 2
3
GND
CAM SW
T1FAS
FPA
MOTOR
+12V
T2 RUN
SOLENOID
F
F
F
G11
G10
P01
P02
P03
P04
G05
G06
G07
G08
G09
P05
P06
P07
P08
P09
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
SPEANA3
SPEANA2
2
–
MM1
TAPE MOTOR
2+
4
1
3
FWM1
SWM3
F.P.
CNPM2
SWM4
F.A.S
SOLM1
SOLENOID
SWM5
CAM
FWM2
CNPM1
CNSM1
PHM1
RUN PALS
SENSOR
+B
–B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
SPEANA1
–B
–B
–B
+B
MOTOR
T2 RUN
+12V
FPA
CAM SW
T1 RUN
SOLENOID
SOLENOID
GND
TAPE MECHANISM
PWB-F
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 3
10
11
12
13
14
15
16
17
18
19
20
21
22
10
11
12
11
12
10
11
12
11
12
3
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
9
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
52
51
1
30
+B
+B
+B
+B
+B
P21 12 - F
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