Sharp CD-BA300 Service Manual page 24

CD-BA300
R731
100K
A
Q710
Q711
KTC3199 GR
KTC3199 GR
R701
R704
100K
100K
B
CS701
270P
CS702
RS701
RS725
270P
33K
C
390K
RS702
12K
CS703
RS704
0.0068
220K
RS703
470K
RS706
D701
2.2M
RS705 DS1SS133
47K
CS704
0.0068
R CS705
0.022
IC703
KIA4558P
RS710
150K
OPE AMP.
D CS706
0.022
L
CS707
0.022
CS708
RS711
0.022
150K
R
CS711
RS716
0.0027
RS717
CS712
68K
0.0027
CS713
RS719
RS722
RS718
0.0027
68K
220K
12K
E
L
RS721
RS720
220K
12K
CS714
0.0027
F
TAPE MECHANISM
PWB-F
PH
SOLENOID
CASSETTE
SOLENOID
+
TAPE
MOTOR M
G
-
PLAY
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 39.
1
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R732
100K
R733
100K
Q712
KTC3199 GR
R716
100K
Q703
KTC3199 GR
C714
47/50
+B
IC702
KIA4558P
OPE AMP.
D702
– 4
2 DS1SS133
10kHz
1
+
3
D703
8
–
DS1SS133
6
63Hz
+ 7
5
CS719
2.2/50
ZD701
RS707
DZ6.2BSB
CS718
2.2M
2.2/50
RS709
220K
4
–
2
1
+
3
8 RS727
–
330
6
+ 7
5
CS710
RS712
47/25
220K
RS708
100
390K
D704
4
–
2 DS1SS133
R-CH 1K
1
+
3
IC704
KIA4558P
8
–
OPE AMP.
6 L-CH 1K
7
+
5
D705
DS1SS133
RS728
390K
CNP702
T1 RUN
8
8
F_REC
7 7
SOLA
6
6
SOLB
5 5
+MTR
4 4
T2 RUN
3 3
GND
2 2
T2 PLAY
C719 D712
1 1
47/25 DS1SS133
DISPLAY PWB-B1
2 3
Figure 24 SCHEMATIC DIAGRAM (5/10)
C715
22/50
Q706
KTC3199 GR
2
3
2 3
1
Q707
1
KTC3199 GR
+B
+B
D713
DS1SS133
+B
+B
+B
4
– 24 –
FL701
VVKBJ744GNK-1
81 82 83 84 85 86 87 88 89 90
80
VLOAD
79
P7
78
P8
77
P9
76
P10
75
P11
74
73 P12
P13
72
P14
71
70 P15/DIST0
P16/DIST1
69
P17/DIST2
68
IC70
67 P18/DIST3
IX0398
P19
SYST
66
P20
MICROCO
65
P21
64
P22
63
P23
62
P24
61
P25
60
59
58
R738 1K
PLAY
57
R739 1K
STOP
56
R741 1K
FPA (F-REC)
55
R742 1K
PLAY SW_B
54
R743 1K
CD CLAMP SW
53
R744 1K
52
R745 1K
51
T2 RUN
50 49 48 47 46 45 44 43 42 41
+B
0V 10V
R737
Q705
10K
KTA1271 Y
0V 10V
R736
+B
Q704 10K
+B
KTA1271 Y
10V +B
+B
R752
Q708
10K
KTA1273 Y
5 6
91
40