Printed Wiring Board - Sony WALKMAN WM-EX910 Service Manual

WM-EX910
Q Q
6-2.

PRINTED WIRING BOARD

3 7 6 3 1 5 1 5 0
1 2 3
J301
i
A MAIN BOARD
COM
L
R212
Q311
1S 1D
B
1G 2G
+
2D 2S
R
R112
R111
C111
7
C113
F701
C112
IC303
C212
C213
C 8
C211
C329
8 5
C702
4 3
IC702
1 2
Q702
1 4
24
IC703
D 25
X701
R709
R708 36
1
• Semiconductor 4 37
2 3
Location
IC704
E
Ref. No. Location
R707
T E
L 1 3 9 4 2 2 9 6 5 1 3
D701 D-2
D702 G-6
PH702
IC301 B-6
Q703
IC303 C-3
IC601 H-4
F
IC701 G-6
IC702 D-1
IC703 D-1
IC704 E-3
IC705 D-4
R712 R713
G PH701 G-3
E C B Q602
PH702 E-3
PH701
R611
Q301 E-10
Q302 D-11
10
Q304 D-11
Q305 B-7
Q306 C-9
RV601
H
Q309 B-5
Q311 B-3 18
Q312 A-13
R607
Q314 A-13
C608 +
Q315 C-4
Q316 C-4
Q317 B-13
Q601 I-3
I Q602 G-3
Q603 H-5
Q701 C-1
Q702 D-1
Q703 F-3
05
w w w
4 5 6
S301
(SIDE A)
VOL, AVLS
MIN t MID t MAX
S703
REW/FF, PUSH Y / x
REW FF
24 13
Q309
25 12
C101 +
C328
B C E
R308
R724 R721
R723 R720
1
+ C324
36 1
Q315
C302
37 48 + C301
+
C306
C303
14
C
R318
C208
Q316
B E
C709
13
12
IC705
1
48
R715
R711
S702
3
(DIRECTION)
FWD
r
4
IC701
STOP
r
REV
9 1
1 14
36
Q603
IC601
7 8
28
19 27
R729
R726
R728
R727
11
1-679-256-
(11)
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• z : Through hole.
b
• : Pattern from the side which enables seeing.
x a o
(The other layers' patterns are not indicated.)
Caution:
. i
Pattern face side: Parts on the pattern face side seen from
(Side B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side A) the parts face are indicated.
– 15 –
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7 8 9
MAIN BOARD (SIDE B)
R201
C201 + R202
1 R205
R204
2
R203 C203
CB301
Q305
R105
3
R104
4
R103
CB301
5
R101
6
B C E
Q306
HP901
(PLAYBACK)
L-ch
1
REV
2
R-ch
3
4
5
L-ch
6
FWD
R-ch
Q Q
3 7
2 1
5
(CHASSIS)
u 1 6 3
y
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2 4
8 9 9
10 11 12
R316 R216 R116
Q312 E
R213
R214 R114
R217
C319 C202
C205
R306
C102
R207
C313
Q304
R312
C308
Q302
JC701
1E 1C
Q301
1B 2B
2C 2E
6 3 1 5 1 5 0 8 9
TP32 (PH-T)
TP31 (PH-S)
R602
R601
C605
TP (GND)
C607
C606
R604
R603
TU
COM
TW
TV
V
U
W
M601
CAPSTAN/
REEL
m
1-679-256-
c o
DRY BATTERY SIZE "AA"
(IEC DESIGNATION R6)
.
1PC. 1.5V
– 16 –
2
8 9 9
13 14 15
Q314
B
C E C B
R113
R725
S704-1
(TAPE DETECT)
Q317
C107
S704-2
(ATS)
C207
BP701
PM701
2 4 9 8 2 9 9
RECHARGEABLE
BATTERY
NC-6WM
1.2V 600mAh
11
(11)