WM-FS421
E Model
SERVICE MANUAL
RADIO CASSETTE PLAYER
Sony Corporation
Personal Audio Company
Shinagawa Tec Service Manual Production Group
9-873-121-11
2001D1600-1
© 2001.4
Ver 1.0 2001. 04
SPECIFICATIONS
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
MF-WMFS421-114
• Frequency range
FM: 87.5 - 108 MHz
AM: 530 - 1 710 kHz (North, Central and South America)
531 - 1 602 kHz (Other countries)
• Power requirements
3 V DC batteries R6 (size AA)
×
2
• Dimensions (w/h/d)
Approx. 107.3
×
123.3
×
51.5 mm (4
1
⁄
4
×
4
7
⁄
8
×
2
1
⁄
8
inches),
excluding projecting parts and controls
• Mass
Approx. 282 g (10.0 oz) (main unit only)
• Supplied accessories
Stereo headphones or earphones (1)
Belt clip (1)
Design and specifications are subject to change without notice.
Battery life (approximate hours)
(JEITA*)
Tape
Radio
playback
reception
Sony alkaline LR6 (SG)**
32
40
Sony R6P (SR)
9
14
* Measured value by the standard of JEITA (Japan Electronics
and Information Technology Industries Association). (Using
a Sony HF series cassette tape)
**When using Sony LR6 (SG) “STAMINA” alkaline dry
batteries (produced in Japan).
Note
• The battery life may be shorter depending on the
operating condition, the surrounding temperature
and battery type.
