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CD-C451H (serv.man9). Schematic diagram and PWB layout - Sharp Audio Service Manual (repair manual). Page 9

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CD-C451H
– 30 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
Figure 30 SCHEMATIC DIAGRAM (9/14)
C825
22/25
Q826
KTC3199 GR
Q824
2SD2012
Q823
2SD2012
R825
33
C827
47/25
R829
1K
R826
33
IC901
STK40704
POWER AMP.
C910
2200/50
C909
2200/50
C904
10/50
C911
100/50
C826
47/25
Q825
KTC3199 GR
R912
100
R913
100
R915
220K
R918 470
C917 47/50
C916
15P
R917
56K
R922
470
R921
10K
R923
56K
C924
15P
Q902
KRC107 M
Q903
KRC107
R932
18K
C923
120P
C915
120P
R924
1K
R916
1K
C907
10/50
C912
100/50
C918
47/50
R836
22K
C824
0.022
R837
22K
R820
47
D822
RL104A
D823
RL104A
C823
47/25
Q822
KTC3199 GR
R824
560
Q820
2SD2012
R838
10K
C831
10/50
C820
0.022
R905
1K
C903
1/50
R907
1K
C902
220P
R902
68K
R901 15K
C901
1/50
R903 15K
C905
220P
R904
68K
Q901
KTA1268 GR
R910
2.2K
R914
15K
R911
10K
C977
1000/6.3
R962
820
D902
1SS133
CNP803
POWER PWB-B
C828
47/25
ZD822
MTZJ13C
R835
560
R827
1K
R828
33K
D824
1SS133
C829
4700/25
CHASSIS
GND
C802
100/35
C803
R
2
ZD801
R801
12K
D804
RL104A
D803
RL104A
R802
220
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R963
820
Q827
KRA107M
D820
1SS133
+B
–VF
+B2
+B
+B
VF1
VF2
GND
–Vcc
–Vcc
+Vcc
Ch1
Ch2
Ch1
Ch2
Out
Out
CNS803
H:ON
L:OFF
2 Ch
30.6V
30.7V
30V
0V
0V
0V
0.3V
3.8V
12.4V
13V
18.2V
13.3V
13V
18.4V
11.6V
12.3V
12.4V
18.4V
6.9V
7.5V
7.6V
8.2V
18.4V
18.4V
3
2
1
3
2
1
P33 12-G
TO MAIN PWB(2/3)
FRONT_R
FRONT_L
A_GND
STANDBY
7.3V (CD)
CD_GND
D_GND
A_GND
M_GND
+12V (M)
+12V (A)
VF1
–VP
VF2
+12V (M)
–15V
POWER
3
2
1
F832
T500mA L 250V
–
–B
+
+
–
–0.1V
–0.1V
–32V
–0.1V
–0.1V
33.6V
–33V
0V
0V
0V
0V
35.4V
–35.4V
–35.4V
0V
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