Sony Walkman WM-EX921, Service Manual

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WM-EX921
16 16
IC303
IC705
IC704
IC601
IC701
IC301
S301
MIN
r
NOR
r
MAX
FF
REW
COM
LCH
RCH
VCC
DATA
REMO
GND
i
J301
S702
(DIRECTION)
FWD t STOP t REV
1-682-489-
11
(11)
1 2 3 4 5 6 7 8
A
B
C
D
E
F
AVLS
VOL
12 1
25 36
37
48
24
13
S703
S703
(JOG LEVER)
REW
PUSH
bB / x
FF
HEADPHONE
WITH
REMOTE
CONTROL
X701
1
1
3 4
6
6 4
3
12
13
1
25 36
24
48
37
4 3
1 2
1
3
5
4
1
9
19
27
28 36
10 18
MAIN BOARD
(COMPONENT SIDE)
6-3. PRINTED WIRING BOARD – MAIN Board (Component Side) – :Uses unleaded solder.
• Semiconductor
Location
Ref. No. Location
D701 F-3
D702 B-6
IC301 B-2
IC303 E-3
IC601 D-7
IC701 B-6
IC704 E-4
IC705 D-4
PH701 D-6
Q305 B-2
Q309 C-2
Q311 E-2
Q315 D-3
Q316 D-3
Q602 E-6
Q603 C-7
Q701 F-3
Q704 E-5