Sony BM-535 - Manual (Page 5)

Troubleshooting Specifications
Should any problem persist after you have made these checks,
consult your nearest sony dealer.
The unit does not operate.
^ The LOCK switch is set to the direction of the arrow.
Cassette cannot be inserted.
4 You attempt to insert the cassette improperly.
The tape does not move.
■> The tape reaches its end. (Soon, a beep will sound.)
-> The function lever is set to STOP.
-> Battery polarity is incorrect.
Battery operation is attempted while the AC power adaptor
or the car battery cord is still connected to the DC IN 3V jack.
-> The AC power adaptor or car battery cord is not firmly
connected.
-> The VOR switch is set to H or L in recording.
No sound comes from the speaker
-> VOL is turned down completely.
-> The earphone is connected to the EAR jack.
Tape speed is excessively fast or too slow during
playback mode.
■> The TAPE SPEED selector is not set correctly.
Recording cannot be made or is unsatisfactory.
-> The batteries are weak.
The record/playback head is contaminated. See "Mainte­
nance."
■> VOR has been set to the improper position when VOR
function works.
Sound drop-outs, loss of high frequency sounds, or
excessive noise.
The heads are dirty.
Recording cannot be erased completely.
■> The erase head is contaminated.
Maintenance
To clean the tape heads and path
Tape
CMiCRocA5seTT€)'“ (normal position type)
Recording system
2-track 1-channel monaural
Speaker
Approx. 3.6cm (1 Vuin.) dia.
Tape speed
2.4 cm/s (’Yi6 ips), 1.2 cm/s (’%2ips)
Frequency response
300 to 4,000 Hz (at 2.4 cm/s)
Output
Earphone jack (minijack) for 8 - 300 ohms earphone
Power output
150 mW (at 10 % harmonic distortion)
Battery life
Continuous recording hours with the built-in microphone:
Approx. 9 hours (average) with alkaline batteries.
Power requirements
3VDC
• Two size AAA (R03) batteries (not supplied)
DC IN 3 V jack accepts:
• Sony AC-E30HG AC power adaptor (not supplied) for use on 120 V
AC, 60 Hz
• Sony DCC-E130L car battery cord (not supplied) for use on 12 V car
battery.
Dimensions (w/h/d) (incl. projecting parts and controls)
Approx. 60 X 129x 25.6 mm (w/h/d)
(2 Va X 5 Y32X 1 '/32 in.)
Mass
Approx. 155 g (5.5 oz.)
Approx. 185 g (6.60Z.) (incl. batteries and cassette)
Design and specifications are subject to change without notice.
Optional accessories
AC power adaptor AC-E30HG
Car battery cord DCC-E130L/E230
Microcassette MC-60BM, MC-30BM
Your dealer may not handle some of the above listed optional accessories.
Please ask the dealer for detailed information about the optional accessories
available in your country.
Pinch-roller
Wipe the heads, pinch roller and the capstan with a cotton swab
moistened with alcohol every 10 hours of use.
To clean the exterior
Use soft cloth slightly moistened in water. Do not use alcohol,
benzine or thinner.