Service manual

CD-SW250DVD
6 – 6
Figure 6-6 SCHEMATIC DIAGRAM (6/12)
POWER AMP.
MAIN PWB-A1 (2/2)
GD1N4004
GD1N4004
1.5K
GD1N4004
56K
390
390
1N4148H
1N4148H
15K
0.01
56K
56K
KTC3875 GR
DZ15BSB
1.5K
1.5K
D15BSB
47/25
KTC3875 GR
)
1N4148H
22/100
DS1N404S
5.6K
33K
47/25
GS1N4004
1.5K
0.22
0.22
0.022
100K
47K
1.5K
1N4148H
KIA78L05
VOLTAGE REGULATOE
31
1N4148H
S
KTC3203 Y
10/50
W
)
1N4148H
10
10
1N4148H
KTC3203 Y
1N4148H
STK412-490
0.22
10
220
68K
1K
15K
10/50
10/50
1.5K
4.7K
100/50
KTC3203 Y
1K
47K
10
0.22
100/50
0.1
DSRL204F
DSRL204F
0.1
0.1
TS20P55G
0.1
0.22/100
0.22/100
TS10B05G
47K
47/50
DZ3BSB
DS1N404S
47/50
DZ6.2BSA
100/35
12K
100
2.2K
KTA1274 Y
220/63
DZ7.5BSB
2
SDPB40F
180
SDPB40F
180
C
E
R
123
T4A L 250V
T4A L 250V
HEAD PHONE
TO
L_GND
R_GND
SURROUND SPEAKER
TREMINAL
SPEAKER
TREMINAL
SUBWOOFER
TREMINAL
R_CH
L_CH
T2A L 250V
T2A L 250V
T5A L 250V
T5A L 250V
(1/2W)
12 OHMS MIN
SW_R-CH
SW_L-CH
(1/2W)
SURROUND SPK PWB-J
GND
110V
127 V
220 V
230-240 V
VL+ VH+
(1/2W)
(1/2W)
T8A L 250V
FAN
MOTOR
CHASSIS
(1/2W)
(1/2W)
R
R
L
R
L
TO DISPLAY SECTION
Lch
GND
Rch
T.F.
LINE FILTER
UNSW_5.6V
SP_R-CH
SP_L-CH
SP_L-CH_GND
SP_R-CH_GND
-
+
VL-
VL+
VH-
VH+
VH+
SP_DET
6 OHMS MIN
(2W)
(1/2W)
(1/2W)
(2W)
R1_OUT
L1_OUT
(ML)
(ML)
4
5
1
6
7
8
9
2
3
10
11
4
5
1
6
7
8
9
2
3
10
4
5
1
6
7
8
9
2
3
10
2
2
4
3
2
1
1
1
2
1
5
1
4
3
4
3
2
1
1
M
2
3
3
2
47
47
VF2
-VF
P_IN
VF1
LED PWB-E
1
22
1
2
1
CHASSIS
2
1
2
1
AC POWER SUPPLY CORD
AC 110/127/ 220/230-240 V
50/60 Hz
1
2
1
2
3
4
5
6
FM SIGNAL
1
3
2
BI801
CNP801
CNS801
8
D904
C942
C943
D905
9
D906
R956
Q907
C944
Q908
L903
R957
ZD904
R954
R955
ZD903
R958
L904
IC901
R963
R964
Q909
D907
C948
C947
C946
R966
R965
C945
RL901
D913
D914
R959 R960 R962 R961
RL902
D908
D912
R988
R987
C973
D911
R970
R969
CNP802
C820
D808
IC802
C807
D805
R809
R805
D804
D803
C806
R808
R802
C809
ZD802
D806
R807
C810
ZD803
C811
R806
R804
R803
Q801
C808
ZD801
C805
F803
F804
C804
C803
D801
C801
C802
D802
F801
F802
F806
F807
F805
L890
CNP805
SO902
CNP501
CNP502
LED505
R549
LED503
R551
SO901
SO904
C962
C961
CNP903
BI902
CNP901
C951
R971
R972
D910
D909
R989
R976
1K
Q911
Q910
R977
R975
CNP971
R973
R974
C950
R978
CNS971
SW801
VOLTAGE
SELECTOR
PT801
POWER TRANSFORMER
3µH
3µH
POWER PWB-B1
7
8 9 10 11 12