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
All manuals and user guides at all-guides.com
3 Ch
IC901
STK40724
POWER AMP.
1 2 3 4 5
C904
10/50
C907
10/50
C901
R905
1/50
1K
C903
R907
1/50
1K C906
1/50
R909
1K
Q904
D901
KTC3199 GR
0V
1SS133
0V
R956 R957
R959
5.6K
1K
0V C976 4.7K
R960
22/25
100K
+B
+B
Q820
2SD2012
7.6V
6.9V Q822
KTC3199 GR
7.5V
18.4V
R820
47
8.2V
C823 DZ820
47/25 MTZJ8.2C
VF1
–VF
VF2
2 3
Figure 26 SCHEMATIC DIAGRAM (7/10)
Ch2
Ch1
6 7 8 9
10 11 12 13
C915
47P
C916
C911
R912
15P
100/50
100
C912
100/50
R913
100
30.6V
30.7V
R914
15K
30V
Q901
KTA1268 GR
R911
10K
REAR
A_GND
CENTER
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
R824
560
4
– 26 –
SUB-WOOF.
Ch3
14 15 16 17 18 19 20
C923
R921 C926
10K 47P 47P
C929
15P
R931
1K
R927
R930
470
56K
C925
47/50
H:ON
L:OFF
Q902
KRC107 M
2 3
3.8V
0V
1
0V
Q903
2
0.3V
KRC107 M
3
0V
1
1.2V
C921
1/50
R925
R933
C919
1K
10K
0.0015
C920
28.1V
0.0015
C933
220/35
R926
C922
1K
1/50
1.2V
R932
18K
D801
TS6B04GM-1
29.1V
D802
C801
TS6B04GM-1
2200/35
D803
D806
RL104A
RL104A
+B2
18.4V
R835
D805
D804
560
RL104A
RL104A
GND3
–28.3V
R803
220
R804
4.7
CHASSIS
GND
5 6
C935
0.1
(ML)
R934
4.7
14
13
IC
0V
2.3V
LA
12
0V POW
11
H:O
10
L:O
0V
9
8
C9
47
C
4
–35.3V
ZD802
MTZJ300B
–34.9V
Q801
KTA1266 GR