Sharp CD-BA300 Service Manual page 24

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