Sharp CD-BP1450V Service Manual page 22

CD-BP1450V
MAIN PWB-A1(2/3)
A
B
C
L
20
A_GND
21
R
D
22
POWER
40
FM SIGNAL
E
F
+5V(CD +B)
23
GND(CD_GND)
24
G
A_10V
34
VF1
35
-VP
36
VF2
37
M_10V
38
GND(D_GND)
39
SW_5V
41
UN_SW_5V
42
GND(M_GND)
43
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
1
Ch1
1 2 3 4 5 6 7
R937
22K
R955
R935
C931 0.1
C937
1K
220P (1W)
100/50
R947
R931
1K
1K
R939
100
Fusible
C933
R941
3P
39K
C941
10/50
R933 56K
Q902
R943
KTA1268 GR
47K
R945
10K
Q903
KTC3200 GR
Q901
KTC3199 GR
R951
47K
Q904
KTC3199 GR
R953
1K
+B
IC803
AN78L05
VOLTAGE
REGULATOR
+B
3
+B
+B
+B
2
Figure 22 SCHEMATIC DIAGRAM (8/11)
IC901
STK402-020
POWER AMP.
8 9 10 11 12 13
+B
-B
C947 C948
0.022 C938
0.022 R954
100/50
0.1
(1W)
R938
C939 C940
100
10/50 10/50
Fusible
+B
-B
+B
+B
+B
IC802
KIA7805P
1 +B
VOLTAGE REGULATOR
2
3
+B
3 4
– 22 –
Ch2
14 15
C932
220P
C949
0.001
R948
1K
R942 C942
39K 10/50
-B
R811
22K
R812
22K
+B
C814
2200/50
Q805
KTD2026
+B
IC801
KIA7810AP
VOLTAGE
REGULATOR
+B
3 1
2
C818
0.1
(ML)
1
+B
2
5
-B
C815
2200/50
+B
-B
D814
D3SBA60
+B
D810
D811
1N4004S
1N4004S
D813
D812
1N4004S
1N4004S
C811
3300/25
Q804
KTA126
6