Sharp CD-C472 Service Manual page 26

CD-C472/C3400/C3400C/C3800/C3800C
A
B
C
D
E
20
19
CENTER_OUT
18
STANDBY
17
REAR_OUT
16
SUB_WOOF
15
FRONT_R
14
A_GND
13
FRONT_L
12
7.3V (CD)
11
CD_GND
10
D_GND
9
A_GND
8
F
M_GND
7
+12V (M)
6
+12V (M)
5
+12V (A)
4
VF1
3
–VP
2
VF2
1
CNP803
G
POWER PWB-B
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
1
3 Ch
IC901
STK40724
POWER AMP.
1 2 3 4
C904
10/50
C907
10/50
C901
R905
1/50
1K
C903
R907
1/50
1K C906
1/50
Q904
D901
KTC3199 GR
0V
1SS133
0V
R956
R957
5.6K
1K
0V
C976
R960
22/25
100K
+B
+B
Q820
2SD2012
7.6V
6.9V Q822
KTC3199 GR
7.5V
R820
47
8.2V
C823
47/25
VF1
–VF
VF2
2 3
Figure 26 SCHEMATIC DIAGRAM (7/10)
Ch1
5 6 7 8 9 10 11
C911
R912
100/50
100
C912
100/50
R913
100
30.6V
R909 30.7V
1K
R914
15K
30V
Q901
KTA1268 GR
R959
4.7K
C910
2200/50
+B1
Q823
12.4V 2SD2012
R831
18.2V
3.3
(1/2W)
13V
13V
R825
33
Q826
13.3V
KTC3199 GR
R829
1K
Q824
2SD2012
11.6V 18.4V
Q825
KTC3199 GR
12.3V
12.4V
18.4V
R826 D824
1SS133
220
R827
R828
1K
C826 33K
47/25
18.4V
R824
560
DZ820
MTZJ8.2C
4
– 26 –
SUB-WOOF.
Ch2
Ch3
12 13 14 15 16 17 18
C923
R921 C926
C915
10K 47P 47P
47P
C916
15P
R927
R930
470
56K
C925
47/50
R911
10K
C921
1/50
REAR
R925
C919
1K
0.0015
A_GND
C920
0.0015
CENTER
C922 R926
1K
1/50
C801
2200/35
+B2
R835
560
GND3
CHASSIS
GND
5
19 20
C929
15P
R931
1K
H:ON
C935
L:OFF
0.1
Q902 (ML)
KRC107 M
R934
2 3
4.7
3.8V
0V
1
0V
Q903
2
0.3V
KRC107 M
3
0V
1
1.2V
14
13
IC
0V
2.3V
R933
LA
12
10K
0V POW
11
28.1V
H:O
10
C933 L:O
0V
220/35
9
8
1.2V
R932
18K
C9
47
C
4
D801
TS6B04GM-1
–35.3V
29.1V
D802
TS6B04GM-1
D803
D806
RL104A
RL104A
18.4V
D805
D804
RL104A
RL104A
ZD802
MTZJ300B
–34.9V
–28.3V
Q801
R803
KTA1266 GR
220
R804
4.7
6