Sony Walkman WM-EX405 Service Manual

WM-EX402/EX404/EX405/EX406
SERVICE MANUAL
SPECIFICATIONS
Tape section
Frequency response (Dolby NR off)
Playback: 40 - 14,000 Hz
Headphones 2 jack
Output
Load impedance 8 - 300 ohms
General
Power requirements 3 V
Two R6 (size AA) batteries
(negative ground)
Approx. 115.5 × 83.5 × 32.5 mm
Dimensions (w/h/d)
× 3
(4
5/8
projecting parts and controls
Mass Approx. 135 g (4.8 oz) / Approx.
215 g (7.6 oz) incl. batteries and
a cassette
Supplied accessories Stereo headphones or Stereo
earphones with remote
control (1) (EX406 only)
Stereo headphones or Stereo
earphones (1) (EX402/EX404/
EX405 only)
Belt clip (1)
Design and specifications are subject to change without
notice.
MICROFILM
Photo : WM-EX404
× 1
inches) incl.
3/8 5/16
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
Dolby noise reduction manufactured under license from Dolby Labo-
ratories Licensing Corporation.
"DOLBY" and the double-D symbol a are trademarks of Dolby
Laboratories Licensing Corporation.
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270˚C during
repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
– 1 –
AEP Model
E Model
NEW
MF-WMFX483-147
CASSETTE PLAYER