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CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM (1/2) SHEET1
R749
4.7k
D707
*4
C712
.01
C725
X
R746
10k
MAIN PWB ASS'Y(1/2)
SCG-1525A-H2
J006
X
AUDIO
FRONT
J004
IN
J003
VIDEO
C841
J002
1500p
VIDEO
VIDEO
REAR
R802
1
IN
75
AUDIO
VIDEO
AUDIO
REAR
OUT
R810
56
AUDIO
C842
X
C805
Q803
220/16
R811
220
C806
R807
470/16
68
LINE_V
R806
270
R815
C811
180
10/50
R816
R817
680
LINE_A
Q804
4.7k
A_MUTE
C812
X
NOTE ) 1.Refer to the parts list for the part number of IC702.
D704
R773
R772
560
390
S702
S704
S705
S701
S703
R721
R727
R731
R730
R726
10k
15k
4.7k
10K
4.7k
C721
Q708
R736
.033
*3
82k
Q710
*3
R728
1k
R748
R740
100
3.9k
R741
C738
C728
K703
BW
560
X
180p
C730
C744
.01
.01
K704
BW
C729
180p
IC701
X701
C720
K701
.01
BW
C711
C710
.01
100/16
C723
X
R718
R734
560
Y705
X
BW
R706
R707
560
560
R716
R715
680
680
SCL1
SDA1
3
Y161
BW10
Y975
BW15
Y001
BW
R374
Y002
6.8K
BW
1
SPEAKER
IC704
GP1UE281QKVF
C719
C727
1/50
R703
.1/16
D701
X
X
Q709
X
CN0S3
CN0S4
PC701
X
R771
X
0
C701
R702
J005
X
X
Y655
X
R701
X
Y654
BW
IC702
Y653
BW
IC703
IC651
R662
R661
270
270
C709
.01
D655
R739
*4
R738
10k
R667
C664
10k
Q703
C706
100
100/16
.01
C705
C707
D654
470/16
.01
*7
Q702
C656
LB
R742
56k
1/50
CP701
C724
BW
R797
R714
15k
150p
D656
R655
4.7k
*4
47k
R720
C657
4.7k
100/25
Q653
R713
4.7k
R658
R712
2.2k
4.7k
D657
*4
PIC_MUTE
2
Y976
Q302
X
D305
C321
12p
D731
*4
D501
X302
*6
C504
X
D306
X
FBP
V_OUT
R503
C308
C309
6.8k
R401
100/16
.01
C402
10k
C503
C502
X
R307
10/50
.01
C437
1.2k
R306
C401
SDA1
0
.47
.1
C316
10/50
R308
1.8k
IC301
SCL1
R301
0
C303
10p
C301
C341
0.12/50
10/50
D341
C302
*4
4.7/50
R302
4.7k
C112
47/25
C365
C366
C367
1/50
1/50
1/50
2
R341
3.3K
2
C306
C307
.01
470/16
CN00T
*
SF102
CRT SOCKET PWB
C109
CN00T
X
SHEET 2
MAIN PWB(2/2)
SHEET 2
(No.YA386)2-5
2-6(No.YA386)
CN0S5
*
*
Y658
X
Y657
X
Y656
X
R668
5.6
D652
D651
*7
*4
C663
R666
.001
100
R664
C659
6.8k
4.7/50
C655
C658
10/50
220/25
R660
C654
15k
470/16
D653
R665
*4
10k
R654
22k
R653
R659
R652
330
4.7
1k
R656
8.2k
C653
C652
C665
10/50
.047
.01
Q651
R657
2.2k
R651
C651
4.7k
LINE_V
AUDIO
VIDEO
R321
1.5k
C314
.01
LINE_A
C315
100/16
R323
10k
R324
1k
R327
Y301
x
4.7M
C313
Y302
C324
R163
33/50
C164
3.3/50
0
X
C166
D301
X
X
C162
*5
R325
C322
Y160
.027/25
1500p
X
C161
C317
X
C323
X
.047/25
Q161
0.47/50
X
R161
X
R165
X
CF161
R166
X
X
CF162
X
AFT
C119
.47/50
C120
120p
C304
C117
.47/50
C305
.22
.47/50
X301
R159
D302
R326
C325
L104
X
180k
*5
100
10/50
C113
.0047
R160
X
R158
X
SF101
X
SF122
C121
.01
L101
C114
C107
R114
R111
R109
C103
X
.0047
180
X
6
.8k
47/25
C104
C106
R103
.0047
C110
D102
.0047
10
0
BW10
C111
Q102
X
R112
R118
R115
R116
R117
10
X
X
X
X
R110
2.7k
CF103
CF102
Q103
R113
C105
X
X
C108
X
100
.0047
X
3.58/OTH
*
X
X
X
CN0S4
CN0S5
X
X
X
CN00T
TU001
L001
8.2
R102
75
K001
C001
C003
BW
10/50
x
C004
470/16
D001
C002
.01
R001
L002
X
X
C005
C006
C009
.1
X
X
IC001
X
C011
X
C010
X
R004
C007
C008
56k
X
4.7/50
c21225001a.001_1/2
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