Troubleshooting – Optimus - Katadyn Products Inc. Dual Cassette Dubbing Deck SCT-540 User Manual

Page 10

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10

Environment

Avoid using the deck in the following conditions:

• In areas with high temperatures (near a heater,

exposed to direct sunlight, for example.)

• In areas with extremely low temperatures.

• In areas where there is excessive humidity.

• In a dusty atmosphere.

• In areas where power line voltage fluctuations are

severe (in which case the use of a voltage regulator
may be advisable).

Cleaning the Tape-Handling Parts

Dirt, dust or particles of the tape's coating can accumu-
late on the tape heads and other parts that the tape
touches. This can greatly reduce the performance of the
cassette player. After every 20 hours of tape player oper-
ation, follow these steps to clean the tape-handling parts
or use a cassette deck cleaning kit (available at your lo-
cal RadioShack store).

1. Remove the batteries and disconnect any other

power source.

2. Open the cassette compartment door and press

PLAY

to expose the tape-handling parts.

3. Use a cotton swab dipped in denatured alcohol or

tape head cleaning solution to clean the tape guides,
record/play head, erase head, pinch roller, and cap-
stan.

4. When you finish cleaning, press

STOP/EJECT

and

close the cassette compartment door. Then recon-
nect power.

TROUBLESHOOTING

If the cassette deck is not working as it should, the follow-
ing suggestions might help. If you follow the suggestions
in this chart and the cassette deck still does not work
properly, contact your local RadioShack store for assis-
tance.

Problem

Probable Cause

Suggestion

No sound while
the tape is
operating.

Volume of stereo
receiver/amplifier
is set to “0.”

Adjust the vol-
ume.

Input function
switch of ampli-
fier is not set to

TAPE

.

Set the input
function switch to

TAPE

.

Strange
tone quality
or
ragged sound.

Noise reduction
switch is not in
the correct posi-
tion.

Set the noise
reduction switch
to match the
appropriate kind
of recorded tape
you are using.

REC

cannot be

operated.

Erase-protection
tabs are removed.

Cover the erase-
prevention tab
slots with adhe-
sive tape.

Low volume or
weak sound
with mute inter-
vals.

Tape heads are
dirty.

Clean the tape
heads.

Poor operation
of skip function.

Mute recorded
length between
two successive
music selections
is not longer than
4 seconds.

Increase the mute
length so that it is
longer than 4 sec-
onds or use a
tape that has a
mute length which
is longer than 4
seconds.

14-678.fm Page 10 Wednesday, June 2, 1999 9:29 AM

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