Sharp CD-BA3100 Service Manual page 32

CD-BA3100
A
+
–
1 2
C906
220P
C910
15P
R918
1K
B
R904
56K
R906
560
C908
10/50
C
R956
0.082(ML)
D
L-CH
1
A_GND
2
R-CH
3
GND
4
E
+5.6V
5
M_12V
6
+B(+9V)
7
GND
8
+B(+18V)
9
10
+5V(BACK_UP)
1
+5V(UN_SW)
2
3
F
SP RLY
4
P_IN
5
SP DET
6
–VF
7
VF1
8
VF2
9
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 46.
1
IC901
STK40270N
POWER AMP.
FRONT_R
CH1
3 4 5 6 7 8 9 10
R994 R996
R902
0.22 0.22
22K
(2W)
(2W)
C903
100/50
C901 C902
10/50 10/50
R901
100Fusible
R908
1K R912
R914
0.1
(1W) 1K
C912
0.022
0.022
R916
6.8K
Q902
KTC3199 GR
C958
0.22/50
18K
R OUT
R970 C960
C959 0.1
68K
R957
0.22/50 (ML)
18K
L OUT
R971
C955
C954
0.082 68K
(ML)
C942
R998
0.012(ML)
27K
R972 R974
C944
68K 68K
0.001
R973
R975
C943
68K
68K
R997
0.001
27K
Q990
C941
3 3
KRC107 M
0.012(ML)
2 2
Q991
1 1
KRA107 M
C825
R806
3.3/50
10K
R828
100
D819
R808
DS1SS133
150
D820
DS1SS133
R809 C830
1000/6.3
2.2K
2
Figure 32 SCHEMATIC DIAGRAM (7/10)
+
FRONT_L
CH2
–
11 12 13 14 15
C907
R993
R995
220P
0.22 0.22
(2W)
(2W)
C904
100/50
C911
10/50
R917
R909 1K
1K
R911
0.1(1W)
Q904
D903
KTC3199 GR
DS1SS133
D901
R913
DS1SS133
1K
C905
R915
6.8K
P_IN(SYS REST)
3 4
– 32 –
+
CH1
–
1 2 3 4
C926
0.0015
R926
22K
C922
100/50
C928
15P
R976
R924
1K
R928
100 Fusible
56K
R932
1K
R930
R
820
L
C930
1/50
C916
0.1
C917 (ML)
0.1
(ML)
C918
0.1
C919
(ML)
0.1
(ML)
R923
R922
4.7 4.7
POWER A PWB-D2
+B(+18V) +B(+18V)
1 1 1
GND
GND
2 2 2
+B(+9V) +B(+9V)
3
3 3
VF1
VF1
4 4 4
VF2
VF2
5 5 5
–VF –VF
6 6 6
P_IN(SYS REST)
7
7 7
R829
5
IC902
STK40270N
POWER AMP.
5 6 7 8 9 10 11 12
R9
10
C920
C921
Fus
10/50 10/50
R933
R934
0.1
0.1
(1W)
R938
(1W)
1K
R937
C924
C925
0.022 1K
0.022
R936
R935
10K
10K
Q906
KTC3199 GR
Q905
KTC3199
R819
R805
22K
22K
C814 C813
2200/63
2200/63
ZD801B
DZ300BSC
D818
DS1N404S
R803
12K
47
Q801
ZD802
KTA1274 Y
DZ6.2BSA
R830
47
6