Sharp CD-BK260V Service Manual page 24

CD-BK260V/CD-BK2700V/CD-BK280V
A
1 2
R934
1K
B
R938
56K
C932
0.001
R932
56K
R930
100K
C
D
E
A_+B
1
CD_+B
2
L-CH
4
GND(A_GND)
3
F
R-CH
6
P_IN
20
GND(CD_GND)
7
A+10V
+B
9
–VP
17
VF2
18
VF1
19
SP_RLY
13
M_+12V
8
–15V
21
GND(D_GND)
5
G
SW_5V
14
GND(A_GND)
10
SP_DET
12
GND(M_GND)
11
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
STK4029S
L-CH
POWER AMP.
CH1
3 4 5 6 7 8
R942
22K
C938
C940
820P
100/50
C936
15P
R944 100
(1/4W) Fusible R950
0.1(1W)
R940
R936
1K
R952
820
1K
C948
C934
0.022
4.7/50
R954
1.5K
Q902
KTC3199 GR
+B
+B
+B
+B
+B
-B
+B
+B
-B
+B
2
Figure 24 SCHEMATIC DIAGRAM (3/13)
IC901
R-CH
CH2
9 10 11 12 13
C946 C945
10/50 10/50 R949
0.1(1W)
D911
DS1SS133
R951
C947
1K
0.022
R953
1.5K
C931
0.22/50
+B
1
1
3
2 3
2
Q908
KRA107 M
Q907
C969
KRC107 M
3.3/50
IC902
-B
KTC2026
+B
+B
IC903
KIA7810AP
VOLTAGE
REGULATOR
+B
D917
DS1N404S
KIA7805AP
+B
3
IC904
KIA7805AP
CONSTANT VOLTAGE REGULATOR
3 4
– 24 –
14 15
C939
820P
C935
4.7/50
D913 Q904
KTC3199 GR R956
DS1SS133
56K
R955
56K
R957
56K
+B
R903
3.3K
R908
560
3 1
2
C918
0.1
(ML)
IC904
1
2
C921
0.1
(ML)
5
R988
R981
R986
R982
D914
DS1SS133
C953 C952
0.047 0.047
(ML) (ML)
R958
R959
4.7
4.7 Q914
KTC3199
+B
BI902
C903
CNS902
2200/63
1 1
2 2
3 3
+B2
4 4
5 5
C904
2200/63
6 6
7
7
8
8
9
9
10
10
6