Sharp CD-C470H Service Manual page 30

CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
STK48801
POWER AMP.
A
R901
100K
B
R902
100K
C
D
1
FW901
WT901
TO MAIN PWB
P27 1-F
E
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
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IC901
+
–
1 2 3 4 5 6 7
C901
R905
1/50
1K
C905
47P
R909
56K
R911
470
C909
47/50
C911
R912
47/35
470
R917
C910
2.2K
47/50
C944
R910 R908
100/35
56K 1K
R904
C908
68K
15P
R906
C902
1K
1/50
C939 ZD901
0.022
MTZJ13C
C938
C940
47/25 2200/35
A_–15V
–B
D_GND
R938
680
(2W)
9
FM SIGNAL
2 3
Figure 30 SCHEMATIC DIAGRAM (9/14)
– 30 –
+
–
8 9 10 11 12 13 14 15 16 17
+B
–B
C953
1/50
REAR
R951
C951
100K
0.0015
A_GND
C952
R952
0.0015
100K
CENTER
C987 C954
0.022 1/50
+B
C937
F951
3300/35
T1.6A L 250V
3 1
FW902
4
18
R925
390
R927
Q901
4.7
KRC107 M
C917
0.1
0V
(ML) H:OFF
2
3
L:ON
C919
1
0.1 (ML) 0V
C920
0.1 (ML)
C918
0.1
(ML)
R928
4.7
Q951
KRC107 M
0V 7.2V
2
3
D951
1SS133 1
0V
C955
R953
47/35
1K
R957
10K
R955
180
R956
C984
180
0.01
R954
C956
1K
47/35
C985
0.001
R970
56K
+B
TO MAI
5 6
14
13
H:ON
L:OF
12
11
L
10
PO
9
8
C96
47/3
CNP
P27