Sharp CD-BA1200H Service Manual page 26

CD-BA1200H
A
B
C
D
E
4
POWER
22
L
F
+B
17
GND
(A_GND)
4
R
18
+5V (CD +B)
12
GND (CD_GND)
19
A 10V
5
VF1
G
15
-VP
14
VF2
16
M 10V
+B
21
GND (D_GND)
10
SW_5V
12
UN SW 5V
11
AC_RLY_CONT
13
GND (M_GND)
20
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
1
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CH1
RIPPLE
FILTER
1 2 3 4
C937
100P
C903
470P
C904
470P
SP. DET.
Q902
1
1
KRC102 M
2 2
3 3
R915
Q901
820
R914
KRC102 M
22K
SP. DET.
GND
(A_GND)
IC903
AN78L05
CONSTANT
VOLTAGE REGULATOR
+B
3
1
2
+B
+B
+B
+B
2 3
Figure 26 SCHEMATIC DIAGRAM (7/10)
IC901
LA4282
POWER AMP.
THERMAL OVER
VOL. PROTECTOR
CH2
MUTE
CIRCUIT
6 8 9 10 11 12
5 7
C936
100P
C919
10/50
C911
0.022
C912
0.1(ML)
R911
C916 270
0.1(ML)
(1/2W)
R910
270
R912
(1/2W) 4.7
IC905
KTC2026
+B +B
REGULATOR
+B
3
2
+B
IC904
KIA7805P
VOLTAGE REGULATOR
3 1
+B
2
R926
10K
C944
0.022
+B
4
– 26 –
C917
0.1(ML)
R913
4.7
C946
2200/35
C933
68P
IC902
KIA7810AP
VOLTAGE
D911
1N4004S
+B
1
D913
C947
1N4004S
3300/25
+B
D904
1SS133
5 6
D
1
D91
1N4
K