Sharp CD-C421H Service Manual page 35

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TO MAIN PWB(1/3)
P28 5-B
8
7
6
5
4
3
2
1
R701
10K
R705
R706
R707
R739
1K
R740
1K
8
19
20
21
22
23
24
R748
1K
KEY-3
P13/
25
ANI3
R749
1K
KEY-2
P12/
26
ANI2
R750
1K
KEY-1
P11/ANI1
27
R756
1K
KEY-0
P10/ANI0
28
AVDD
AVDD
29
AVREF
AVREF
30
P04
P04/XT1
31
XT2
XT2
32
TER
XL701
C709
VSS
VSS
33
4.19MHz
15P
X1
34
(CH)
X2
35
C710
P37
36
18P
37
P36/BUZ
(CH)
P35/PCL
38
P34/TI2
39
P33/
40
TI1
7 46 45 44 43
42
41
R765
10K
+B
–B
7
6
9
8
TO MAIN
PWB(3/3)
P32 2-G
7
+B
10K
1.8K
10K
+B
+B
C703-C708:100P
5V BACK UP
L701
100µH
D704
Q702
1SS133
KRC102 M
2
R767
R768
5V
10K
1K
1
C714
0.01
+B
5
4
3
2
1
FW703
TO MAIN
PWB(1/3)
P28 1-B
8
9
Figure 35 SCHEMATIC DIAGRAM (9/11)
DISPLAY PWB-A3
R759
R760
12K
12K
SW725
SW726
OPEN
DISC
/CLOSE
SKIP
R702
R703
1K
1.2K
SW701
SW702
SW703
ON/
TIMER
CLOCK
STAND-BY
/SLEEP
R709
R711
R708
R710
1K
1.2K
1.8K
2.2K
SW704
SW705
SW706
SW707
TUNER
VIDEO
CD
TAPE
(BAND)
R730
/AUX
15K
R731
R738
12K
33K
SW712
SW713
SW715
REC
TUNING
RANDAM/
DEMO
PAUSE
UP/TIME
R741
R744
R745
R746
3.9K
2.2K
5.6K
3.9K
SW714
SW716
SW717
SW718
FF/
VOLUME
STOP
FWD
UP
PRESET UP
R751
R752
1K
10K
SW721
SW722
SW724
R754
10K
REV/
X-BASS/
VOLUME
PRESET
DOWN
EQUALIZER
DOWN
+B
+B
Q703
KTC3199 GR
+B
R769
C711
R770
1K
3.3/50
10K
3
R788
0V
R791
0V
10K
0V
100
0V
0V
0V
Q704
KTC3199 GR
R796
82
R797
1K
10
– 35 –
CD-C421H / C411H
FW701
1
3
1
3
L702
0.82µH
R712
R713
R714
5.6K
12K
3.9K
SW708
SW709
SW710
SW711
PTY./TI
DISPLAY
ASPM
EON
MODE
SEARCH
R747
12K
SW720
SW719
TUNING
MEMORY
DOWN
/SET
/TIME
D703
1SS133
D701
1SS133
+B
RX701
REMOTE
SENSOR
1
2
3
C716
100/6.3
C715
220/6.3
11
12

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