Sharp CD-BA1300H Service Manual page 20

CD-BA1300H
A
B
C
L
1
A_GND
2
R
3
POWER
4
D
E
+5V (CD +B)
5
F
GND (CD_GND)
6
A_10V
7
VF1
G
8
-VP
9
VF2
10
M_10V
11
GND (D_GND)
6
SW_5V
12
UN_SW_5V
13
AC_RLY_CONT
14
GND (M_GND)
15
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 10.
1
Ch1
1 2 3 4 5 6 7
R937
22K
R935
C931
C937
1K
220P
100/50
R947 R931
1K
1K
R939
100(1/4W)
Fusible
R933
56K
R941
C933
39K
3P
+B
Q902
R943
KTA1268GR
47K
Q903
KTC3200GR
Q904
R951
KRC3199GR
47K
R952
R953
33K
1K
C943
100/16
+B
+B
CONSTANT VOLTAGE
REGULATOR
IC803
AN78L05
3
+B
+B
+B
+B
2 3
Figure 20 SCHEMATIC DIAGRAM (7/10)
IC901
STK402-020
POWER AMP.
Ch2
8 9 10 11 12
C947
C948
C938
0.022 0.022
100/50
C940
C939
10/50 10/50
+B
-B
C942
10/50
+B
-B
+B
+B
+B
VOLTAGE REGULATOR
1 +B IC802
KIA7805P
2
3
2
C822
0.022
+B
+B
DS1SS133
4
– 20 –
13 14 15
C932
220P C949
0.001
R948
1K
C936
10/50
R942
39K
-B
2200/50
R811
22K
R812
22K
+B
C814
2200/50
Q805
KTC2026
+B
VOLTAGE
REGULATOR
IC801
KIA7810AP
+B
+B
3 1
2
C818
C819
0.1 0.1
(ML)
(ML)
1
+B
C821
0.1
(ML)
+B
D815
5
M
C920
0.1
(ML)
C918
0.1
(ML)
R910
4.7
-B
C815
+B
-B
D
+B
D810
1N4004S
D812
1N4004S
C811
3300/25
KT
6