Sony STR-SE381 Service Manual ▷ View online
STR-SE381
— 13 —
— 14 —
3-5.
SCHEMATIC DIAGRAM — VOLUME SECTION —
• See page 7 for KEY Board Wiring Board.
STR-SE381
— 15 —
— 16 —
3-6.
PRINTED WIRING BOARD — MAIN SECTION —
1-665-266-
13
1
5
E
TO
SW (B)
BOARD
CNS702
(Page 11)
H
TO
DISPLAY BOARD
CNS201
(Page 7)
(Page 7)
G
TO
VOLUME BOARD
CNS402
(Page 11)
F
TO
VOLUME BOARD
CNS403
(Page 11)
1
12
13
24
IC300
MAIN
BOARD
BOARD
AUDIO OUT
AUDIO IN
IN
REC OUT
CD
J402
FRONT SPEAKERS
SURROUND SPEAKER
REAR
ANTENNA
AM
FM
300
CENTER
R
L
R
L
R
L
R
L
R
L
R
L
R
L
VIDEO
TAPE /MD
A
B
TM701
TM601
TV/DBS
TM001
J403
RY801
C
TO
STANDBY
BOARD
CNP802
(Page 19)
TO
SW BOARD
CNP703,
CNP704
(Page 12)
D
B
TO
SECONDARY BOARD
CNP801
(Page 19)
FM
75
1
1
4
5
8
1
4
8
E
11
1
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1
15
14
2
E
1
1
1
1
15
16
30
4
5
8
23
11
10
5
1
4
3
3
E
1
1
4
5
8
21
22
42
E
E
E
E
E
E
E
E
1
15
14
2
16
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
Ref. No.
Location
D610
C-6
D710
H-10
D721
F-5
D722
F-5
D723
G-5
D724
G-5
D725
G-5
D801
G-5
D802
E-10
D804
H-6
D810
B-11
D811
B-11
D812
B-11
D813
B-11
D814
B-11
D815
B-11
D817
E-5
D818
C-11
D820
C-11
D821
C-11
D822
C-10
D823
C-10
D901
H-2
IC300
G-4
IC301
E-4
IC302
F-3
IC401
C-4
IC402
C-2
IC701
G-6
IC702
D-6
IC801
E-5
IC802
D-5
IC950
B-9
Q303
G-2
Q304
F-2
Q307
F-2
Q308
G-2
Q601
C-7
Q602
C-8
Q603
C-8
Q604
B-8
Q610
C-6
Q620
C-7
Q651
F-7
Q652
F-8
Q653
F-8
Q654
F-8
Q670
F-7
Q701
H-7
Q702
H-8
Q703
H-8
Q704
G-8
Q710
H-10
Q720
G-7
Q721
G-5
Q722
G-5
Q723
G-5
Q751
E-7
Q752
D-8
Q753
E-8
Q754
D-8
Q770
D-7
Q801
H-6
Q802
C-12
Q808
E-5
Q809
D-11
Q951
B-9
• Semiconductor
Location
STR-SE381
— 17 —
— 18 —
3-7.
SCHEMATIC DIAGRAM — MAIN (1/3) SECTION —
• See page 27 for IC Block Diagrams.
STR-SE381
— 19 —
— 20 —
3-8.
PRINTED WIRING BOARD — POWER SECTION —
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
11
12
13
STANDBY BOARD
AC OUTLET
SECONDARY BOARD
B
TO
MAIN BOARD
CN801
(Page 16)
PRIMARY BOARD
1-665-274-
1-665-273-
1-665-272-
11
(12)
11
(12)
11
(12)
T901
POWER
TRANSFORMER
T902
C
TO
MAIN BOARD
CNS802
(Page 16)
AC
IN
IN
1
1
11
4
16
CNP903
CN902
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