Sony Walkman WM-FX488 Service Manual

1313
WM-FX488
R404
R406
R405
C409
D401
C402
C403
C408
D402
R403
C404
C405
R402
C407
C406
R407
R401
L401
22
µH
R408
D701
C722
C721
C503
R611
C608
R610
R609
C606
C604
R602
C602
C603
C601
R601
C607
TH601
C610
RV601
R605
R604
C605
R603
Q707
R701
C703
C704
C709
C705
C710
C708
C702
C707
X701
C716
R720
C701
C711
C715
L701
22
µH
LCD701
R705
R707
R706
R710
R709
R708
R718
R719
R715
S702
S711
S703
S706
S710
S707
S301
S302
R506
R18
C706
C713
C714
R714
C36
R17
R702
R703
C712
R732
R731
R733
C732
R711
Q701
Q702
T401
Q401
Q704
S701
S704
IC601
M
601
IC703
Q402
IC701
Q705
R717
S709
JC701
JC704
JC703
JC702
47k
1k
1k
0.22
M
A8120
1000p
2.2
16V
5p
M
A111
1k
0.01
22
6.3V
22
0.022
10p
22k
10k
2.2k
1SS367
470
4V
470
4V
220
4V
220k
0.01
220k
220k
0.01
0.1
100
0.1
0.22
1
22k
0.01
3.3K
1
4.7k
2.2k
1k
0.1
10k
2SB815B7
1k
10p
22p
0.1
10
6.3V
0.47
0.1
0.1
0.1
75KHz
2200p
100k
0.47
22
4V
1
LCD1
10k
10k
10k
10k
10k
10k
100k
47k
1k
TAPE ON
N/R SW
100k
0
1
0.01
0.01
10k
0.01
10k
4.7k
100k
0.1
470k
10k
1M
1
10k
2SC4154
LPF
2SC4154
LPF
2SC4154
2SB815B7
M
M
1279XVBE
CAPSTAN/REEL
M
OTOR DRIVER
PST9008NL
RESET
2SB815B7
SW
ITCH
TC9329FA-CFX1738
2SB815B7
SW
ITCH
4.7k
PW
R M
UTE
PRE M
UTE
AVLS
M
EGA BASS
VCC
BASE
TAPE
BEEP
GND
RADIO ON
OSC IN
IF-REQ
IF-IN
BAND2
BAND1
VT
LOCAL/DX,
SYSTEM
CONTROL
CONVERTER
TAPE SPEED
M
OTOR
CAPSTAN/REEL
POW
ER
SW
ITCH
DRY BATTERY
SIZE"AA"
(IEC DESIGNATION LR6)
1PC,1.5V
ON
HOLD
OFF
PRESET/TUNING-
PRESET/TUNING+
SET
ENTER
M
ENU
RADIO OFF
DC/DC
STEREO/M
ONO
AM
FM
6E
E,CH
E,CH
4-5. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –
z
Refer to page 9 for Notes.
Ver 1.1 2003.01

Sony Walkman WM-FX488 Specifications

Power

power requirements	DC 1.5V, AA Battery x 1
battery life (play)	35 Hours w/Sony Alkaline Battery
battery life (tuner)	40 Hours w/Alkaline Battery

Frequency Range

FM frequency range	87.5-108MHz
AM frequency range	530-1710kHz
TV frequency range	Channels 2-13
Weather Band frequency range	Channels 1-7

Weight and Dimensions

weight	158 g
width	83.6 mm
height	112 mm
depth	28.3 mm