Printed Wiring Board - Sony SA-WX90 Service Manual

SA-WX90

2-2. PRINTED WIRING BOARD

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