Sharp CD-C290X Service Manual page 31

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R702
1K
C702
220/6.3
19
20
21
22 23 24
R750 1K
KEY-3
25
R751 1K
KEY-2
26
R752 1K
KEY-1
27
R753 1K
SET UP
28
AVDD
29
AVREF
30
SRS ON/OFF
31
XT2
32
VSS
33
TER
X1
34
XL701
X2
R760
35
1K
CL
36
R762 1K
CE
37
R763 1K
DI
38
R764 1K
DO
39
DRF
40
R765
1K
46
45
44
43 42 41
+B
R804
100K
CNS703
1 2
8
5 7 6 4 1
10
11
TO MAIN PWB(1/3,3/3)
P25 12-E,P27 7-G/10-G
7
+B
+B
C707
15P
(CH)
C708
18P
(CH)
+B
R806
10K
3 9 5 6 7 8 4
9
10
11
TO MAIN PWB(1/3,3/3)
8
Figure 31 SCHEMATIC DIAGRAM (9/11)
R710
R711
1K
1.2K
SW702
VOLUME
DOWN
SW701
3D
SURROUND
R718
R719
1K
1.2K
SW705
SW706
REC
PAUSE
R743
R744
1K
1.2K
SW713
CLOCK
SW712
ON
/STAND-BY
1
6
Q702
R780
R781
KRC102 M
1K
1K
2
3
1
L701
2.2mmH
CNS704
3 4 2 8
P24 1-E,P28 2-G
9
10
– 31 –
DISPLAY PWB-A2
R712
1.8K
SW703
SW704
X-BASS/
VOLUME
EQUALIZER
UP
R720
R721
R722
R723
1.8K
2.2K
3.9K
5.6K
SW710
SW707
SW708
SW709
TUNING
FF
STOP
PLAY
REW
UP/TIME
R745
R746
R747
R748
1.8K
2.2K
3.9K
5.6K
SW714
SW717
SW715
SW716
TIMER
TUNER
MEMORY
CD
/SLEEP
/BAND
SWITCH PWB-A3
R756
R757
R758
R759
33K
12K
5.6K
3.9K
SW720
SW721
SW722
SW723
DISC
DISC
DISC
DISC
1
2
3
SKIP
1
1
R810
3
820
2
1
R811
820
Q810
3
2
KRC102 M
6
1
R812
Q811
820
3
KRC102 M
2
Q812
KRC102 M
R782
D701
1K
1SS133
ZD701
Q704
MTZJ3.3B
R784
KTC3199 GR
RX701
10K
REMOTE
R799
SENSOR
R786
100
10K
Q705
KTC3199 GR
1 2 3
R800
82
R802
C720 0.001
1K
R814 220K
11
CD-C290X
SW711
TUNING
DOWN
/TIME
R749
12K
SW718
SW719
TAPE
VIDEO
1-2
/AUX
SW724
OPEN/
CLOSE
R761
2.2K
LED810 LED811
LED812 LED813
LED814 LED815
+B
D702
R785
1SS133
12
R787
150
12

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