Maintenance - Panasonic SC-AK20 Operating Instructions Manual

Problem Probable cause(s)
Suggested remedy
Reference
page(s)
When there is a television set nearby
The picture on the TV
disappears or stripes appear
on the screen.
The location and orientation of the antenna
are incorrect.
If you are using an indoor antenna, change
to an outdoor antenna.
The wiring at the back of the system is
unsuitable
Separate the antenna wire of the TV set
from the system.
When listening to tapes
Sound is low, intermittent,
poor quality, noisy, scratchy.
Heads are dirty. Clean the heads. 35
The deck does not enter the
recording mode.
The erase-prevention tabs are removed
from the cassette.
Attach tape to cover the space left by
removal of the erase-prevention tabs.
33
While listening to compact discs
The display does not show
the correct indication. Disc
play does not start when
you press the play button.
A certain music passage can't
be played correctly.
The disc label is upside down. Set the disc with the label facing upward.
The disc is dirty, Wipe the disc with a soft cloth.
The disc is scratched.
The disc is badly warped.
Replace the disc with a new one.
The disc is a nonstandard one. Replace the disc with a different one.
There is condensation inside the CD
Wait for 60 minutes before using the CD
changer. player.
The disc is dirty. Wipe the disc with a soft cloth.
While using the remote control
The system cannot be
operated with the remote
control.
The batteries are installed in the reverse
polarity.
Re-insert the batteries in the correct
polarity.
5
The batteries are run-down.
Replace the batteries with new batteries. 5
Maintenance
If the surfaces are dirty
To clean this unit, wipe with a soft, dry cloth.
If the surfaces are extremely dirty, use a soft cloth dipped in a soap-
and-water solution or a weak detergent solution.
• Never use alcohol, paint thinner, benzine, or chemically treated
cloths to clean this unit.
• Before using chemically impregnated cloth, read the instructions
that came with the cloth carefully.
For a cleaner crisper sound
We recommend that you periodically clean parts (the shaded portion
in the figure below) the tape contacts like the heads.
Do not use any solution other than alcohol for head cleaning.