Sharp CD-DVD500 Service Manual page 39

IC902
STK40270N1
POWER AMP.
33
P
SUB
(40W x 2)
2 – 7
L-CH
1 6
15P
3
56K
942
K
14 11
–
R-CH
15 10
9
13 4 8 9 12
5
50
C984
100/50
C980
10/50
+B
C981
10/50
-B
IC901
STK40270N1
POWER
34
5P AMP.
MAIN
(30W x 2)
2
– 7
R-CH
6
1
931
5P
3
14 11
–
L-CH
15 10
97
5 13 4 8 9 12
50
R1018
R1016
100
100
C985
100/50
C982
10/50
+B
C983
10/50
-B
-14.6 V
Q937
KTA1046 Y
7
R961 H/P
0.1(1W)
R962
0.1(1W)
C939
0.022
0 V 4 V
C940
0.022
0 V
R964
10K
4 V
0 V
Q910 SW_RLY
KTC3199 GR
+B
-B
FAN_SIG
+B
R965
0.1(1W)
R966
0.1
(1W)
KTC3199 GR
C942
D905
0.022
DS1SS133
4 V
R968
0 V
10K
0 V
4 V 0 V
C941
0.022
0 V
R967
10K
4 V
0 V
Q911
F_RLY
KTC3199 GR
R1020
1K
+B
-B
C1003
47/25
C990
100/16
-15.1 V C991
0.022
R1031
100
DZ903
DZ13BSC
+B
-B
8
Figure 39 SCHEMATIC DIAGRAM (14/18)
L-CH
R-CH
RY902
R973
56K
R974
56K
C945
C944
0.1(ML)
0.1(ML)
R978
+B
4.7
D906
DS1SS133
Q920
KTC3199 GR
0 V
0.7 V
R1019 R1021
1K 47K
+B
L-CH
R-CH
Q919
R975
56K
0 V
R976
56K
0 V
0 V
+B
R980
4.7
DS1SS133
0 V
0.7 V
0 V
R1025
47K
9 10
– 39 –
FW901
4
H/P_SW
R-CH
A_GND
L-CH
1
R1032
220
R991
4.7K
R994
4.7K
RY901
D908
+
–
+
–
+
–
+
–
LUG901
8
+B
7
6
5
4
3
2
-B
1
BI901
–B
1
GND
2
GND
3
+B
4
CNP904
11
CD-DVD500
JK701
HEADPHONES
CNP703
L702
2.2µH
1
2
3
4
R742
22K
HEADPHONES
PWB-B2
SOC901
SUBWOOFER
PRE OUT
SO901
SPEAKER
TERMINAL
FRONT
SP_FR-CH
SPEAKER
R-CH
SP_FR-CH_GND
SP_SWR-CH
SUBWOOFER
R-CH
SP_SWR-CH_GND
SP_SWL-CH
SUBWOOFER
L-CH
SP_SWL-CH_GND
SP_FL-CH FRONT
SPEAKER
L-CH
SP_FL-CH_GND
+B
8
+B
7
+B
6
GND
5
GND
CNP801
4
–B
TO POWER PWB
3
P34 2-H
–B
2
–B
1
CNS901
CNS403
FROM
AMP. B PWB
P35 10-A
12