Sharp CD-BA3100 Service Manual page 32

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