Sharp CD-C602 Service Manual page 24

CD-C602,CP-C602
A DISPLAY PWB-A2
B
1
S0
2
S1
S2 3
S3 4
S4
5
S5
6
C
S6
7
S7 8
S8 9
S9
10
S10 11
80 79 78 77
12
S11
1
S12 13
SEG12
S13 14 2
SEG13
15 3
S14
SEG14
16 4
S15
SEG15
S16 17 5
SEG16
S17 18 6
SEG17
19 7
S18 SEG18
D
8
S19 20 SEG19
S20
21 9
SEG20
22 10
COM 0
NC
23 11
COM 1
NC
MICROCOMPUTER
COM 24 12
2 NC
COM 3
25 13 NC
14 NC
15
NC
16 NC
NC
17
18 NC
19
NC
20
NC
E
2122 23 24 25 26 27 28 29 30 3132 33 34 35 36 37 38 39 40
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 11.
1
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TO MAIN/POWER
TUNER SECTION
P18 3-H, P23 12-G
20 21 22 23
+B
76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
60
SPAN
X2 59
X1 58
IC 57
56
62 T1 PLAY XT2 NC
79
SEG10
XT1 NC
55
61 T2 PLAY
80
SEG11
VDD(+5V)
54
IC701
53
POWER NC
POWER
52
IX0217AW
DSP RST 51
SYSTEM
SL– 50
COIN 49
CQCK 48
RWC
47
SL+ 46
39 SYSTEM STOP
SQOUT 45
40
21 COM0 DRF
44
PU IN
43
DISC NO
REC
42
WRQ 41
C705
100P
SW704 SW708
R707
100K
PLAY STOP
C704
100P
SW703 SW707
R704
OPEN/
VOLUME
CLOSE
DOWN
100K
C703
SW702 SW706
100P
R702
100K VOLUME
REWIND
UP
C701
SW701 SW705
100P
R701
100K
POWER FAST
FORWARD
2 3
Figure 24 SCHEMATIC DIAGRAM (9/9)
TO DECK TO MAIN/POWER
TO DECK
SECTION SECTION
SECTION
P21 12-D
P21 12-G
32 33 29 30
GND
(µCOM)
R742
4.7K
R745
4.7K
R744
4.7K
R734
R712
1K 10K
XL701
4.19MHz
C714
0.022
R731 1K
R730 1K
R718 1K
R728 1K
R727 1K
R726 1K
R717 1K
R729 1K
R720 1K
R719 1K
R743 1K
R725 1K
C709
C717
0.022 0.01
R723
1K
R761
100K
R760
100K
R735
1K
R759
100K
R758
100K
R757
100K
SW712 SW716
TUNING
BAND
DOWN
SW711 SW715
FUNCTION TUNING
UP
SW714
SW710
X-BASS
MEMORY
SW709
DISC SKIP
9 4 11 1 5 3 8 7 6 2 10
TO MAIN PWB
P17 7-H
4
– 24 –
P18 1-E
15 34
+B
D705
1SS133
+B
R736
150
+B
+B
D704
D703 1SS133
1SS133
R732
12
REMOTE
SENSOR
RX701
ZD701
MTZJ3.3B
+B
+B
0V
0V
Q702
KTC3199 GR
C708
C706
0.01
3.3/50
3
0V
D702
Q701
1SS133
0V
KRC102 M
1
2
4.2V
R706
R705
3.3K
1K
D701
R703
1SS133
1K
+B
C702
0.01
+B
5
R737
470
C716
100/10
C713
10/50
3
2
1
R724
1K
0.9V
0V
0V
R722
82
R708
100K
6