HM-381MD (En)
74
Knowledge section
In case of difficulty
RemedyCauseSymptom
÷Clean the head referring to “Mainte-
nance”.
÷Try another tape.
÷Play a recorded tape.
÷Close the holder completely.
÷Press operation keys in more than a few
seconds after closing the cassette holder.
÷Press operation keys after waiting for
more than 4 seconds.
÷Insert a tape.
÷Try another tape.
÷Change the tape transport direction or
reverse the tape insertion orientation.
÷Press in stop mode.
÷Reset the microcomputer.
÷Clean the head referring to “Mainte-
nance”.
÷Try another tape.
÷Adjust the AUX input level.
÷Try another tape.
÷Demagnetize the head referring to “Main-
tenance”.
÷Install the system at a distance from
other electric appliances and TV.
÷Set the "tape EQ." to on.
÷Clean the head referring to “Mainte-
nance”.
÷Wind the tape again by fast forwarding,
rewinding or playing from an end to the
other.
÷Use a cassette with an unbroken record-
ing protect tab or block the hole.
÷Close the holder completely.
÷Set the input selector to the source to be
recorded.
÷Change the tape transport direction or
reverse the tape insertion orientation.
Sound cannot be produced by
pressing the play key.
No operation occurs even
when an operation key is
pressed.
The cassette holders cannot
be opened by pressing the "0
push OPEN" area.
Sound is harsh or high fre-
quencies are not reproduced.
Sound is distorted.
Noise is noticeable.
Sound vibrates.
Recording cannot be started
by pressing the record key.
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÷The head is dirty.
÷The tape is wound too tight due to
irregular winding.
÷A nonrecorded tape is played.
÷The cassette holder is not closed com-
pletely.
÷The operation key is pressed immedi-
ately after closing the cassette holder.
÷The operation key is pressed in less than
4 seconds after turning the power ON.
÷A tape is not inserted in the unit.
÷The tape is wound too tight due to
irregular winding.
÷The tape is fully wound to one of the
reels.
÷The key is pressed during recording or
playback.
÷The microcomputer is malfunctioning
due to external noise.
÷The head is dirty.
÷The tape is stretched or shrunk.
÷The recording level has not been ad-
justed. (During AUX input operation)
÷The tape being played was recorded
with distorted sound.
÷The tape head is magnetized.
÷External noise is induced.
÷A tape recorded with Dolby NR ON is
played with "tape EQ." off.
÷The capstans or pinch rollers are dirty.
÷The tape is wound irregularly.
÷The recording protect tab of the cas-
sette has been broken.
÷The cassette holder is not closed com-
pletely.
÷The TAPE input is selected.
÷The tape is fully wound to one of the reels.
Cassette deck