Service manual
CD-PC1881V
– 24 –
Figure 24 SCHEMATIC DIAGRAM (7/12)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 38.
R979
1K
R980
1K
D902
1SS133
R981
47K
Q908
KTC3199 GR
C981
22/25
R911
22K
R910
22K
R921
22K
R961
39K
R964
4.7K
R965
4.7K
C937
0.1(ML)
C935
0.1(ML)
C934
0.1(ML)
C936
0.1(ML)
R937
4.7
R934
4.7
IC902
STK40724 POWER AMP.
C925
47/50
C918
47/50
C829
220/25
C828
0.022
ZD803
DZ130BSB
R963
820(2W)
R812
10
R804 47K
C803 47/50
ZD801
DZ6.2BSA
C802 100/35
D821
1SS133
R801
12K
R925
1K
C921
1/50
R926
1K
C922
1/50
C811
220/50
ZD802
DZ300BSB
R806
2.2K
Q801
KTA1274 Y
C804
47/50
D822
1SS133
C904
10/50
C820
0.1
(ML)
C821
47/16
C819
0.1
(ML)
C824
1/50
IC806
AN78L05
CONSTANT
VOLTAGE
REGULATOR
31
D823
1SS133
D824
1SS133
R810 10K
C823
0.022
C822
10/50
IC805
KIA7806P
VOLTAGE
REGULATOR
31
D818
1SS133
D819
1SS133
C827
0.1
(ML)
R809
10K
IC804
KIA7812P
VOLTAGE REGULATOR
31
C825
3300/25
C801
2200/50
R955
10K
R932
18K
C817
4.7/50
C902 220P
R902 68K
C901
1/50
R956
5.6K
R901 100K
R959
3.9K
C976
22/25
R960
100K
D901
1SS133
Q904
KTC3199 GR
R957
1K
R904 68K
R909
1K
C907
10/50
C906
1/50
R905
1K
C908
0.001
R908 68K
R906
10K
C905 220P
R903 100K
C903
1/50
R907 1K
R913
100 Fusible
C912
100/50
C911
100/50
R912
100
Fusible
C920
560
C919
0.0015
C910
2200/50
C909
2200/50
R920
100K
R919
33K
D802
TS6B04GM
C806
0.047
(ML)
C805
0.047
(ML)
D803
1N4004S
D806
1N4004S
D805
1N4004S
D804
1N4004S
C812
1
N
R916
1K
R924
1K
C915
47P
C923
47P
C926
47P
R931
1K
R930
56K
C929
15P
R933
10K
C933
220/35
Q903
KRC107 M
R929
220
C927
47/35
R928
220
C928
47/35
R927
470
C924
15P
R923
56K
R922
470
R917
56K
C916
15P
C917
47/50
R918
470
NC
SP_RLY
VLOAD
VF1
VF2
VLOAD
A_GND
CENTER
UN_SW_5V
SW_5V
AC_RELAY_CORL
VF2
VF1
A_12V
CENTER
REAR
FRONT_R
FRONT_L
A_GND
–15V
REAR
CD_+B
POWER
SUB_WOOFER
M_12V
M_GND
CD_GND
D_GND(micom)
A_GND
3 Ch
+Vcc
–Vcc
–Vcc
GND
1234
5
6
7
9
10 11 12 13 14 15 16 17 18 19 20
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
2
22
CNP803
BI801
BI801
CNP806
NC
NC
Out
Out
Out
Ch3
Ch2
Ch1
Ch3
Ch2
Ch1
+
–
–
–
+
+
4
1
1
3
1
2
1
1
1
0
9
8
L:OFF
H:ON
L
PO
W
+B1
–B
1
2
3
–B
+B
+B
-B
+B2
POWER PWB-C
FM SIGNAL
CNP501
FROM MAIN PWB
P19 8-H
FROM DISPLAY PWB
P22 1-C
CNS806
2
1
2
1
D801
TS6B04GM