Sharp CD-C831W Service Manual page 18

CD-C831W
A
B
L
1
A_GND
2
C
R
3
SP_DET
4
SP_RLY
5
D
–15V
6
M_12V
7
E
+5V
8
D_GND
9
A_12V
10
A_GND
F 11
CD_+B
12
CD_GND
13
M_GND
14
–VF
15
VF2
16
VF1
17
G
MAIN PWB-A1(2/2)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
IC901
STK407-040B
POWER AMP.
1 2
C901
R905
1/50
1K
R907
1K
C903
1/50
+B
+B
R830
C909
820 (3W)
2200/50
+B +B
+B
+B
FM SIGNAL
2 3
Figure 18 SCHEMATIC DIAGRAM (3/9)
(2Ch)
3 4 5 6 7 8
R912
100(1/4W)
Fusible
C912
100/50
R913
100 (1/4W)
Fusible
C921
0.022
R931
10K
Q905
2SC3331
C910
R966
2200/50
22K
–B
VOLTAGE
+B
REGULATOR
Q821
Q823
AN78L05
KTD2058 Y
3 1
2
VOLTAGE
REGULATOR
KIA7812P
3
Q822
VOLTAGE
REGULATOR KIA7806P
3 1
2
D832
1SS133
D833
1SS133
4
– 18 –
Ch2
Ch1
9
10 11 12
C915
120P
R921
C916
22K
15P
C911
R917
R918
100/50
56K
680
R916
1K
C917
47/50
R926
0.1 (1W)
D903 D906
1SS133 1SS133
C920
0.022
+B1
Q824
1
C827
2
0.1
(ML)
+B
F832
C833
T500mA
0.1
L 250V
(ML)
5
13 14 15
C923
47P
R93
56K
C938
47/50
+B
+B
D
T
D803
D
1N4004S
1
+B2
D
D804
+B
1
1N4004S
R801
12K
R
6