Printed Wiring Boards; Input Control, Led And Switch Boards - Sony SA-W2500 Service Manual

1-1. PRINTED WIRING BOARDS

– INPUT CONTROL, LED AND SWITCH BOARDS –
1 2
INPUT CONTROL BOARD
A
120V t 220V t 240V
1
B
3
C
5 3 1
B
D
T1
1
2
3
C
E
4
5
6
F
SA-W2500/W3000/W3800
3 4
+ – –
R L
5
8
1 1
2 2
LED BOARD
D202
POWER
R419
C410 C409
E51
3
2
11
1 (11)
1-872-465-
2
1
1 4
2
1
EXCEPT E51
:Uses unleaded solder.
5 6 7
+
W3000/
IN OUT
W3800
OUT
IN
T
OFF AUTO REVERSE
W2500
5 4
4
8 1
1
5 4
W2500
8 1
5 4
8 1
5 4
E
8 1
E
E
E
SWITCH BOARD
1
AC IN
2 1
2
1-872-464-
5 5
8 9
T NORMAL
5 4
8 1
5 4
5 4
8 1
8 1
E
E
E
E
E E
3
11
(11)
SA-W2500/W3000/W3800
10
Semiconductor
z
Location
Ref. No. Location
D101 B-4
D102 B-4
D103 B-4
D104 B-4
D202 D-4
D301 C-8
D302 C-9
D401 C-6
D402 C-7
1
D403 C-7
D404 C-7
D405 C-7
D406 C-10
D901 C-5
A
IC101 B-5
IC102 B-6
IC103 B-7
IC104 B-7
IC201 C-8
11
IC202 B-9
IC401 C-6
IC402 C-6
1 11
(11)
1-872-463-
Q301 C-8
Q302 C-9
Q401 C-6
Q402 C-7
Q403 C-7
Q404 C-7
Q405 C-7
Q406 C-8
Q408 C-8
Q430 C-10