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Sony WALKMAN WM-F31 Service Manual
Sony WALKMAN WM-F31 Service Manual

Sony WALKMAN WM-F31 Service Manual

Fm/am stereo cassette player

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() (headphones)
VOLUME
control
FM sensitivity/
WM-F41
tape selector
|
DC IN 3V
US Model
m@ (stop) button
—__—s | i
i
(external power input)
& (rewind) button
jack (right side)
Canadian Model
y ie forward)
WM-F41SS
:
ema eien:
Canadian Model
|
|
compartment (rear)
Vv (playback)
a |
——e_
:
button
'a
| A K 1
PHOTO: WM-F41
Frequency range FM: 87.6-—108 MHz
AM: 530-1,605 kHz
a
Antennas
FM: Headphone cord antenna
=
AM:
Built-in ferrite rod antenna
Frequency response
40-14,000 Hz (with the tape selector set to
CrO,/METAL)
40-14,000 Hz (with the tape selector set to NORMAL)
Power output
15SmW + 15mW
at DC operation
(at 10%
harmonic
distortion) load impedance
320hms
Power requirements
3V DC, two size AA (IEC designation R6) batteries
External batteries (used in the optional EBP-500
battery case): two size D (1EC designation R20)
batteries
oN
DC IN 3V jack accepts:
Sony AC-D2 AC power adaptor (optional)
Sony DCC-70 car battery cord (optional)
Battery life
(nours)
FM
Tape
reception
playback
Batteries
Sony SUM-3(NS)
New Super or
Eveready No. 1015 Heavy
Duty batteries
Approx.
Approx.
17
4.5
Sony Eveready AM3 alkaline
or Eveready No. E91
alkaline batteries
Approx.
Approx.
35
9
For maximum
performance we recommend
the use of alkaline batteries.
Dimensions
Approx. 88.1 «132 «34mm
(w/h/d)
(34/,x5,«x14¥, inches)
not incl. projecting parts and controls
Weight
Approx. 240g (8.502) incl. batteries, not incl. other
SON Y.
Baers m
awiaem
ee ee
MICROFILM

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Walkman wm-f41Walkman wm-f41ss