Sharp CD-BA300 Service Manual page 26

CD-BA300
A
1
R918
B
1K
C
D
E
R-CH
1
A_GND
2
L-CH
3
A_+10V
4
+B
+5V
5
GND
6
-B
–15V
7
SP_DET
8
SP_RLY
9
M_12V
10
F
CNP902
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 39.
1
STK4029S(2CH)
POWER AMP.
CH1
2 3 4 5 6 7
C940
0.22/50
R902
R995
C906
22K
0.22
220P
(2W)
C910
C903
15P
100/50
R901
R904
100
56K
R908
1K
R912
0.1(1W)
R906
820
C912
C908
0.022
47/50
R916
5.6K
C950
R962 4.7K
C946
R956
0.15
18K
C954 0.22
C955 0.22
C945
0.15
R957
R963
18K
4.7K
R965
18K
C949
0.022
+B
+B
-B
R997
100
Q990
KRC107 M
2 3 2
1
KRA107 M
C990
3.3/50
FM SIGNAL
2
Figure 26 SCHEMATIC DIAGRAM (7/10)
IC902
+VCC
8 9 10 11 12
R910
100
C901 C902
10/50 10/50
R911
+B
D901
0.1(1W)
DS1SS133
R913
C905
1K
0.022
R915
5.6K
-B
+B
IC903
KIA4558P
0.022
OPE AMP.
C953
8
47/25
2
C948
–
1
+
100P
R968 C958
3
1K
2.2/50
R969
C959
5
1K
2.2/50
+
7
–
6
4
R961 R960
C957
1.5K 1.5K
0.022
C952
C951
C956
10/50
10/50
47/25
C942
0.015
R974
68K
R975
R966
68K
C941
0.015
+B
1
3
Q991
3 4
– 26 –
CH2
13 14 15
C907
220P
C911
47/50
R-CH
D903 L-CH
Q904
KTC3199 GR
DS1SS133
R920
56K
R921
56K
C919
0.1
(ML)
R923
4.7
-B
+B
-B
+B
330
+B
-B
R806
680(2W)
C814
3300/63
R819 22K
5
CH
1 2 3
C926
220P
C928
15P
R976
1K
R928
56K
R930
820
C930
1/50
C918
0.1
(ML)
R922
4.7
+B
+B
-B
+B
+
R820
22K
-B
-B
+B1
C813
3300/63
R805 22K
6