Service manual

CD-C482
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A
B
C
D
E
F
G
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1
23456
Figure 38 SCHEMATIC DIAGRAM (19/20)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.
D991
KBU1003
Q908
KTC3199 GR
Q909
2SD2012
C919
4700/25
Q905
KTC3199 GR
C908
47/25
R909
1K
R908
33K
Q906
2SD2012
C910
47/25
R911
560
D901
1SS133
Q904
KRA107 M
C907
220/25
ZD903
MTZJ13C
R907
560
Q902
2SD2012
Q901
KTC3199 GR
R902
1K
C903
47/25
C904
47/25
R906
100
Q903
2SD468 C
C905
47/25
R904
1.5K
ZD902
MTZJ5.6A
ZD904
MTZJ8.2C
D905
1SS133
Q9
1
2SD
2
D906
1SS133
R903
47
R910
150
R912
47
R91
47
Q907
KRA102 M
R917
4.7K
Q914
KRC107 M
C902
47/25
R901
150
(3W)
R918
100
C920
47/25
Q913
2SB1375
ZD901
MTZJ13A
R919
3.9(1/2W)
R920
3.9(1/2W)
C906
0.022
C901
0.022
C911
0.022
C915
0.022
C909
0.022
1
+7.3V(CD)
+12V(A)
+12V(M)
+4.6V(D)
GND(D)
GND(M)
+5V(AC3)
CD GND(D)
GND
CD GND(D)
–VCC –VCC
GND
+VCC +VCC
GND GND
1
CNS903
23
4
5
6
7
23
4
5
6
7
BI903
CNPV12
TO SPEAKER
AMP.2 PWB
P37 7-F
–B
+B
+B
+B
1
-12.3V
-22.7V
-13.0V
-12.8V
-2.1V
35.7V
-35.5V
2
3
–B
–B
+B
GND(D3) GND(D4)
1
1
2
2
3
34
VGND
+5V(AC32A)
4
CNS902
BI902
1
2
3
+B
+B
+B
+B
+B
POWER
+7.3V(CD)
+4.6V(D)
GND(M)
+12V(M) +12V(A)
–12V(A)
–B
CD GND(D1)
CD GND(D2) GND(A) GND(D)
CNS901
2
3
4
5
6
7
8
9
10
11
1
23
4
5
6
7
8
9
10
11
1
BI901
CNPP01
TO MAIN PWB
P23 12-E
1
2
3
TO MAIN PWB
P23 12-F
CNPP02
16.2V12.0V
12.8V
13.3V
12.0V
4.8V
5.4V
16.9V
16.9V
13.3V
13.4V
1.2V
13.4V
12.0V
12.8V
12.6V
@@@@@
1.2V
-2.1V
0V
7.1V
16.9V
16.9V
7.8V
8.3V
7.7V
5.4V
6.1V