Sharp CD-C451H - Page 30

CD-C451H
– 30 –
A
B
C
D
E
F
G
H
1
23456
• 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
KRC10
7
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
151413121110
987654321
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
32
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