Read Sony SA-WX90 Service Manual online
4
4
SA-WX90
4
12
9
11
8
1-679-646-
1-679-645-
1-679-643-
1-679-647-
(11)
11
(11)
11
(11)
11
(11)
11
(11)
11
(11)
11
M801
FAN
MOTOR
1-679-642-
12
3
5
10
6
9
7
11
1
POWER
S851
10
8
2
VR501
LEVEL
LEVEL
MIN/MAX
SW501
PHASE
REVERSE NORMAL
VR502
COT
OFF
OFF
FREQ
3
1
2
4
6
5
7
JK501
LINE
OUT
OUT
IN
IN
TM501
L
R
SW502
POWER
SAVE
AUTO
AUTO
OFF
AC IN
09
(11)
11
SP601
T851
POWER
TRANSFORMER
POWER SW CE BOARD
CONTROL
BOARD
BOARD
POWER SUPPLY BOARD
POWER (IC) BOARD
MAIN BOARD
P3
P2
P1
P4
D801
TRANS (SEC)
BOARD
BOARD
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
TRANS (PRI)
BOARD
BOARD
SPEAKER
1-679-729-
1-679-730-
T801
POWER
TRANSFORMER
(CHASSIS)
M
N
5 4 3 2 1
2-2. PRINTED WIRING BOARD
• Semiconductor Location
(Main Board)
Ref. No.
Location
D501
C-2
D502
C-2
D503
F-3
D504
E-2
D505
F-3
D506
E-2
D507
F-4
D508
F-3
D509
J-3
D510
J-3
D601
H-4
D602
H-4
D605
I-4
D606
C-5
D607
C-4
D608
D-5
D609
A-3
D814
J-3
D817
K-4
D818
K-5
D819
K-5
D820
K-5
D821
J-4
D822
J-5
D823
B-4
D824
C-4
D815
A-15
Q607
B-12
Q611
C-16
Q612
B-14
Q613
B-13
Q614
B-11
Q810
A-16
Q811
A-16
• Semiconductor
Location
(Power IC Board)
(Power IC Board)
Ref. No.
Location
D805
D-9
D806
D-9
D807
F-9
D808
G-9
D810
D-13
D811
G-13
D812
E-15
D813
F-15
Q801
F-15
Q803
E-15
• Semiconductor
Location
(Power Supply
Board)
(Power Supply
Board)
Ref. No.
Location
There are a few cases that the part isn’t mounted in
model is printed on diagram.
model is printed on diagram.
Ref. No.
Location
IC501
E-2
IC502
B-2
IC505
I-3
IC506
G-3
IC507
D-3
IC601
H-4
IC602
E-4
Q501
E-4
Q502
E-4
Q503
I-2
Q504
J-2
Q505
J-3
Q601
G-4
Q602
G-4
Q603
G-4
Q604
G-5
Q605
F-4
Q606
H-5
Q608
F-5
Q805
E-5
Q806
F-5
Q807
J-3
Q808
J-5
Q809
A-3
Q812
B-3
Q813
C-3
Click on the first or last page to see other SA-WX90 service manuals if exist.