Read Sharp CD-C423H (serv.man4) Service Manual online
CD-C423H
– 28 –
Figure 28 SCHEMATIC DIAGRAM (2/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
TO TUNER PWB
P37 9-G
CNS303
CNS303
CNS502
CNS501
CNP502
CNP501
R
3
3
R
2
2
Q511
2SC1845 F
C502
0.001
0.001
R
3
3
Q
2SC
C512
180P
180P
C581
0.047
0.047
Q
2SC18
Q5
KT
KT
R581
10K
10K
Q514
2SC18
2SC18
C501
0.001
0.001
C511
180P
1
1
7
6
5
4
3
2
7
6
5
4
3
2
1
3
2
3
2
1
IC601
IX0225AW
MAIN SYSTEM MICROCOMPUTER
CNS601
PHM1
RUN PALS
SENSOR
RUN PALS
SENSOR
FWM2
CNPM2
SWM3
F.P.
F.P.
SWM5
CAM
SOLM1
SOLENOID
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
11
12
10
11
11
12
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
CNPM1
MM1
TAPE MOTOR
CNSM1
Q601
KTA1273Y
KTA1273Y
Q602
2SB561 C
2SB561 C
23
20
27
28
24
25
26
22
21
29
B
8
10
A
11
4
32
31
30
ERASE HEAD
BIAS
T1_T2
T1_T2
CLK
CLK
DO
DO
CE
DI
CE
DI
SD
SD
SM
SM
A+12V
A_GND
D_GND
TUN_MUTE
TUN_MUTE
REC
REC/P.B
REC/P.B
TAPE2_L2
TAPE2_L1
TAPE2_R1
TAPE2_R2
ERASE
M_GND
A_GND
A_GND
TAPE1_L
TAPE1_R
L-CH
R-CH
L-CH
R-CH
TAPE1
PLAYBACK
HEAD
PLAYBACK
HEAD
TAPE2
RECORD/
PLAYBACK HEAD
RECORD/
PLAYBACK HEAD
TUN_R
TUN_L
TO M
CD
TO DISPLAY PWB
P35 7-A
R638
10K
R631
100K
R630
3.3K
R621
1K
1K
R601
100K
100K
C601
0.022
0.022
R604
10K
C609
47/16
47/16
R644
1.2K
1.2K
D601
1SS133
1SS133
R643
10K
10K
R642
10K
10K
R641 10K
R640
10K
10K
R639
10K
R627
1K
1K
R602
10K
XL601
4.19MHZ
+B
+B
R635 1K
R636 1K
R615 1K
C608
0.022
R633 1K
R622
1K
1K
R634 1K
R632 1K
R637 1K
R605 1K
R612 1K
R606 1K
C606 150P
R620 1K
R619 1K
R614 1K
R613 1K
C602 150P
R623 1K
R616 1K
C604 150P
C603 150P
R608 1K
R611 1K
R607 1K
R609 1K
R618 1K
R603 1K
R610 1K
C605 150P
C607
220/10
D602
1SS133
1SS133
R617 1K
R625
12K
12K
R624
1K
1K
+12V (MECHA)
DISC_NO
MECHA_UP/DN
DRF
CD_OPEN/CLOSE
MAIN_STB
POWER_CONT
PUIN
GND
DSP_RES
SL–
SL+
CQCK
COIN
SQOUT
WRQ
RWC
MAIN_STB
CLEAR
MAIN_SI
MAIN_SO
MAIN_SCK
MAIN_SI
MAIN_SO
MAIN_SCK
CLEAR
+5.6V
REC/P.B.
REC MUTE
CD DRF
CD PUIN
CD SL+
CD SL–
CD RES
CD SQOUT
CD COIN
CD CQCK
VDD
CD RWC
CD WRQ
TACUM SW
T2 RUN
T1 RUN
TA MOT SW
TA SOL
VSS
U/D SW
D.NO. SW
O/C SW
VDD
POWER_CONT
VLOAD
P33
P12
P10
AVDD
AVREF
P04/XT1
P74
P73
AVSS
RESET
P26
P25
P24
P23
P126
X1
P124
P125
P17
P16
P15
P14
P101
P103
P102
P100
P31
P30
P03
P113
P112
P110
P106
P116
P117
P114
P115
P105
P104
P02
P71
P70
P21
P20
P00
P01
P122
P123
P91
P92
P93
P94
P22
VDD
P72
IC
XT2
VSS
X2
P37
P36
P35
P34
P32
GND
P11
P90
VDD
P27
P80
P81
P120
P121
P107
P111
T1/T2
BIAS
P13
P127
P97
P96
P95
R629
10K
R628
10K
10K
R626
1K
1K
T2 AFP
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
80
79
78
25
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
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
76
77
TAPE MECHANISM PWB-D
3
1
2
4
FWM1
SWM4
F.A.S
2+
MECHA STOP
SOLENOID
T1 RUNPALS
FOOL PROOF
T2 RUNPALS
+B
GND
MOTOR
MECHA STOP
SOLENOIDO
T1 RUN
FOOL PROOF
T2 RUN
+B
GND
MOTOR
M
MAIN PWB-A1(1/3)
12
11
10
9
8
7
6
5
4
3
2
1
9 8 7 6 5 4 3 2 1
D_GND
4
3
2
1
M_GND
L601
100
100
µ
H
TO MAIN PWB(2/3)
CD SECTION
P31 7-G
TO MAIN PWB(2/3)
CD SECTION
P31 6,9-G/12-E
TO MAIN PWB(3/3)
POWER AMP.
SECTION
P32 2-G
TO MAIN PWB(3/3)
POWER AMP.
SECTION
P32 2-D
TO DISPLAY PWB
P35 8-H
TAPE MECHANISM
ASSEMBLY
ASSEMBLY
TAPE MECHANISM ASSEMBLY
CNP303
FW702
FW703
TO MAIN PWB(3/3)
POWER AMP.
SECTION
P32 2-F
TO MAIN PWB(3/3)
POWER AMP.SECTION
P32 2-F
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
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