Sony WX-7700MDX, Service Manual

Page: 37 / 106

WX-7700MDX
37 37
5-14. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – •
See page 29 for Circuit Boards Location.
:Uses unleaded solder.
E2
B1
E1 C2
C/B
E2
B1
E1 C2
C/B
8
5
1
4
8
5
1
4
8
5
1
4
7 8
1 2 3
4 5 6
1 3
MAIN BOARD
(CONDUCTOR SIDE)
1-682-238- 21
3 2 1
8 7
6 5 4
(FRONT VIEW)
CN630
BUS CONTROL IN
(FOR SONY BUS)
AUX IN
(L) (R)
PNJ2
REAR
(L) (R)
PNJ1
FRONT
ANT
(L) (R) (L) (R)
AUDIO OUT
BUS AUDIO
IN
1
CN4
2
(R)
(L)
A
SERVO (CD)
BOARD
CN1
1
3
4
5
1
3
4
5
TU1
(TUNER UNIT)
IC103
IC202
IC101
IC502
IC501
SUB WOFFER
OUT (MONO)
S501
( FREQUENCY SELECT)
FM200k
AM10k FM50k
AM9k
C34
C130
C226
C334
C335
C336
FB505
FB506
B
C
D
E
F
G
H
I
J
K
1 2 3 4 5 6 7 8 9 10 11 12 13 14
15
A
L
• Semiconductor
Location
Ref. No. Location
D1 F-12
D680 K-11
IC101 G-10
IC103 E-8
IC202 E-10
IC501 I-9
IC502 J-9
Q2 F-12
Q100 C-9
Q101 C-10
Q104 C-12
Q105 C-12
Q200 C-10
Q201 C-9
Q203 C-11
Q204 C-11
Q500 J-9
Q501 I-12
Q641 K-12
(Page 30)