Sony WM-50 Service Manual

a
[1] TAPE selector
(2] © (headphones) jack
[3] BATT (battery) indicator
[4] VOL (volume) contro!
[5] <4 PLAY (playback) button
{6] m STOP button
[7] #4 (fast forward) button
bP (rewind) button
(9] Battery compartment lid (bottom)
DC IN 1.5V (external power input) jack (bottom)
[11] Cassette holder
WM-50:
Mode!
UK Model
E Model
WM-70:
US Model
Canadian Model
REVISED
Discard WM-50/70
SERVICE MANUAL
(No. 9-951-989-11) previously
issued.
SPECIFICATIONS
Tape track: 4-track 2-channel stereo
Fast winding time: Approx. 3min. 30 sec. with Sony cassette HF-60
Frequency response:
40-15,000 Hz (with the TAPE selector set to CrO,/METAL)
40-15,000 Hz (withthe TAPE selector set to NORMAL)
Power output: 5mW +5 mW (max.) 1.
5mW+5mW (at 10% harmonic distortion) at de operation
Power requirements: 1.5V dc
Size AA (IEC designation R6) battery 2.
Sony EBP-10 battery case (optional) for use on two size AA (IEC
designation R6) batteries
DC IN 1.5V jack accepts:
Tape Transport Mechanism Type
MT-WM5
SERVICING NOTE
Flexible Circuit Board Repairing
Keep the temperature of the soldering iron at
270° + 10°C during repairing.
Do not touch the soldering iron more than 4
seconds or 3 times on the same conductor of
the circuit board.
"Sony AC-D1 ac power adaptor (optional) for use on 120V ac, 60Hz
Sony DCC-70 car battery cord (optional) for use with 12V car battery
Battery life (continuous playback hours):
Approx. 2.5 hours with Sony SUM-3(NS) New Super battery
Approx. 5 hours with supplied Sony Eveready AM3 alkaline battery
For maximum performance we recommend the use of alkaline battery.
Dimensions:
Approx. 87x 112x23mm (34,x41/,x7%, inches) (w/h/d)
not incl. projecting parts and controls
Approx. 87.1*113x24.9mm (37,x41/,* 1 inches) (w/h/d)
incl. projecting parts and controls
Weight: Approx. 200g (7.102) incl. battery, not incl. other accessories
See page 12 for the table of cabinet color variation.
MICROFILM
soldering or unsoldering.
Tip of soldering iron
good
es)
wrong
__ OOO
RES
CASSETTE PLAYER
SONY.
TC