Sharp CD-C1W Service Manual page 40

CD-C1W,CP-C1W
POWER AMP. PWB-C1
C907
R909
2.2/50
1K
A
0V
0V
0V
C909
470P
B
R970
0V
10K
0V
0V
C910
470P
C
–B
D
14 13 12 11 10 9 8 7 6 5
14
14
E
CFW852
P27 12-D
TO MAIN PWB
F
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 36.
1
All manuals and user guides at all-guides.com
FM SIGNAL
0V
IC901 (1/2)
18
STK41713
POWER AMP.
C911 10 11
0V
19 9
47P
1
17
4
55.3V
5
2 26.4V R993
18.3V 100
0V
(1/2W)
C913 R915
Fusible
R987
15P
1K
3.3K
R911
56K C991
C983
47/100
R913
10/50
270
C935
D905
47/50
1N5402M
R914
270
C936 D906
R979
1N5402M
47/50
C984
33K
10/50
R912
C992
56K
47/100
R916
C914
R988
1K
15P 3.3K
R994
100
(1/2W)
-54.1V Fusible
-18.3V
20
6 -26.3V
-55.3V
7
16 -57.0V 0V
0V
0V 8
IC901 (2/2)
21 3
13 12
C912
STK41713
47P
0V POWER AMP.
22
R910
1K
D993
C989
1SS133 220/25
+B
4 3 2 1
CFW903
1
FW903
1
2 3
Figure 40 SCHEMATIC DIAGRAM (14/15)
Q903
KTC3200 GR
0V
3.8V
R919
2.2K
0V
C917
0.022
R939
(ML)
1.5K
14
0V
R921
0.2
D901
R923
1SS133
0.2
+VH +B
D998
1SS133
+B
+VL
–B
–VL
–B
–VH
C995
R924
0.2 3300/71
+B
C985
4700/35
+B
0V R922
0.2
0V
15
R940
C986
1.5K
4700/35
C918
–B
0.022
(ML)
0V
C996
R920
3300/71
2.2K
0V
3.8V
Q904
KTC3200 GR
R985
820
–B
ZD901
C990
0.022 MTZJ15A
1
FW904
CNS851
RELAY
4
TO MAIN PWB
GND
3
CNP851
GND 2
P27 12-F
+B 1
FROM
DISPLAY PWB
P36 1-B
FW853
4
– 40 –
L901
0.29µH
R989 10 (1/2W)
(1/2W)
R991 10
C921
0.1
(ML)
Q997
KTC3199 GR
C923
3.8V
R925
0.1
0V
56K
(ML)
0V
Q998
3.8V
R927
KTC3199 GR
0V 4.7
(1/2W)
0V
C997
47/50
R928
4.7
(1/2W)
R926 C924
56K 0.1
(ML)
C922
R992
0.1
10
(ML)
(1/2W)
R990
10 (1/2W)
L902
0.29µH
8
D851
BR102J02
C851 0.047 (ML)
C865 0.047 (ML)
C866 0.047 (ML)
8
+B
C852 0.047 (ML)
+B
+B
–B
–B
1
BI851
4
3
2
+B
1
WT853
VF1 3
L851 –B
–VP 2
100µH (DH)
1
VF2
POWER SUPPLY PWB-C2
5 6