Read Sharp CD-C423H (serv.man4) Service Manual online
– 35 –
CD-C423H
Figure 35 SCHEMATIC DIAGRAM (9/10)
7
8
9
10
11
12
TO MAIN PWB(1/3)
P28 5-B
TO MAIN
PWB(1/3)
P28 1-B
TO MAIN
PWB(3/3)
P32 2-G
+B
+B
+B
3
2
1
+B
+B
+B
+B
+B
+B
+B
+B
46 45 44 43
41
42
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
0V
0V
0V
0V
4.8V
0V
5V
0V
0V
–B
1
FW703
2
3
4
5
6
7
8
9
VF1
–VP
VF2
POWER
D_5V
MAIN_STB
MAIN_SI
MAIN_S0
MAIN_SCK
DISPLAY PWB-A3
3
1
DISC
SKIP
OPEN
/CLOSE
3
1
TIMER
/SLEEP
CLOCK
ON/
STAND-BY
VOLUME
DOWN
X-BASS/
EQUALIZER
VOLUME
UP
STOP
FWD
FF/
PRESET UP
RANDAM/
DEMO
REC
PAUSE
TUNING
UP/TIME
TAPE
VIDEO
/AUX
EON
DISPLAY
MODE
ASPM
PTY./TI
SEARCH
TUNER
(BAND)
MEMORY
/SET
TUNING
DOWN
/TIME
REV/
PRESET
DOWN
CD
3
2
1
TUN_SM
TUN_SD
D_GND
TUN
_
MUTE
SYS STOP
POWER
AR_P
P32/TO2
P31/TO1
P01/INTP1
P02/INTP2
P03/INTP3/CI0
P33/
TI1
P34/TI2
P35/PCL
P36/BUZ
VSS
XT2
P04/XT1
AVREF
AVDD
P10/ANI0
P11/ANI1
P12/
ANI2
P13/
ANI3
P16/ANI6
P15/ANI5
P14/ANI4
P17/ANI7
AVSS
P73
P37
P30/TO0
X1
X2
VSS
AVREF
AVDD
KEY-0
KEY-1
KEY-2
KEY-3
XT2
P04
5V BACK UP
1
2
3
4
5
6
7
8
R701
10K
SW726
SW725
R759
12K
R760
12K
FW701
R752
10K
R751
1K
R754
10K
SW722
SW721
R741
3.9K
SW716
R744
2.2K
SW714
D703
1SS133
C713 0.01
D705
1SS133
R793 100K
L701
100
µ
H
R765
10K
1K
R766 1K
TER
R750 1K
R749 1K
R748 1K
SW701
SW706
SW715
SW713
R738
33K
SW705
SW718
SW717
R745
3.9K
R703
1.2K
R711
2.2K
R731
12K
R708
1K
SW709
SW708
SW704
C701 220/6.3
C702 0.022
R728 1K
R739 1K
R740 1K
C710
18P
(CH)
C709
15P
(CH)
XL701
4.19MHz
R756 1K
R727 1K
R
726 100
SW703
R714
12K
SW711
R747
12K
SW720
SW719
SW724
R746
5.6K
R713
5.6K
SW710
R709
1.2K
R710
1.8K
R702
1K
SW702
SW712
R712
3.9K
SW707
R732 8.2K
R733 8.2K
R735 8.2K
R736 8.2K
R737 8.2K
R734 8.2K
R797
1K
R791
100
Q704
KTC3199 GR
R792 3.3K
D704
1SS133
R789 12
R795 2.2K
C716
100/6.3
Q702
KRC102 M
R790
150
C712 0.022
C720 0.001
R798 220K
D702
1SS133
D701
1SS133
ZD701
MTZJ3.9B
C715
220/6.3
R769
1K
R788
10K
R796
82
Q703
KTC3199 GR
R770
10K
RX701
REMOTE
SENSOR
R768
1K
R767
10K
C714
0.01
C711
3.3/50
R730
15K
R707 10K
R706 1.8K
R705 10K
C703
C703-C708:100P
C704
C705
C706
C707
C708
L702
0.82
µ
H
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