Troubleshooting
Should any problem persist after you have made these
checks, consult your nearest Sony dealer.
A cassette cannot be inserted.
n The cassette is being inserted in the wrong way.
(The cassette should be inserted in the lid with the
tape side facing you.)
n 9 has been already pressed.
r cannot be pressed.
n There is no cassette in the cassette compartment.
n The cassette tab has been removed.
r or 9 cannot be pressed.
n The tape has reached the end.
n After the automatic shut-off, CPAUSE is slid in
the direction of the arrow.
The unit does not operate.
n The batteries have been inserted with incorrect
polarity.
n The batteries are weak. Replace both batteries with
new ones.
n CPAUSE is slid in the direction of the arrow.
n The AC power adaptor or car battery cord is
connected to the unit only and you are going to use
the unit on batteries.
No sound comes from the speaker.
n The earphone is plugged in.
n The volume is turned down completely.
The sound drops out or comes with excessive
noise.
n The volume is turned down completely.
n The batteries are weak. Replace both batteries with
new ones.
n The head is contaminated. See “Maintenance”.
Tape speed is too fast or too slow in the
playback mode.
n Improper setting of the TAPE SPEED switch. Set it
to the same speed as that used for recording.
Tape speed is faster than the normal playback
speed.
n The TAPE SPEED switch is set between the 1.2 cm
and 2.4 cm positions.
Recording cannot be made.
n Connection is made incorrectly.
n The batteries are weak. Replace both batteries with
new ones.
n The head is contaminated.
n Improper setting of the VOR switch (M-529V/
539V/579V only). Set it to H or OFF.
Recording is interrupted.
n The VOR switch (M-529V/539V/579V only) is set
to H or L. When you do not use VOR, set it to OFF.
Recording cannot be erased completely.
n The head is contaminated.