If the surfaces are dirty, I; to clean this unit, wipe with a soft, dry cloth, For a cleaner crisper sound – Panasonic SC-AK57 User Manual
Page 49: Maintenance
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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.
14
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, or unsteady.
Heads are dirty.
Clean the heads.
93
Dolby NR is set incorrectly.
Match Dolby NR ON/OFF according to the
type of recording you made.
40
The deck does not enter
the recording mode.
The erase-prevention tabs have been
removed from the cassette.
Attach tape to cover the space left by
removal of the erase-prevention tabs.
90
While listening to com
pact discs
The display does not
show the correct
indication.
Disc play does not start
when you press the play
button.
The disc is upside down.
Set the disc with the label facing upward.
30
The disc is dirty.
Wipe the disc with a soft cloth.
90
The disc is scratched.
Replace the disc with a new one.
The disc is badly warped.
The disc is a nonstandard one.
Replace the disc with a different one.
90
There is condensation inside the CD
changer.
Wait for 60 minutes before using CDs.
A certain music passage
can’t be played correctly.
The disc is dirty.
Wipe the disc with a soft cloth.
90
“TAKE OUT/ DISC”
appears on the display.
There is a problem with the CD mechanism,
(A power failure may be occurred.)
The tray will open automatically. Remove
the CD from the tray, and after ensuring
there is no CD in the tray close it. The unit
will make the disc changing noises for a few
moments and then it should operate
normally.
/
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.
6
The batteries are run-down.
Replace the batteries with new batteries.
■6
Maintenance
If the surfaces are dirty
I; To clean this unit, wipe with a soft, dry cloth. '
I' 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 or benzine to clean this unit.
•Before using chemically impregnated ctoth, read the instructions
that came with the cloth carefully.
For a cleaner crisper sound
We recommend that you periodically clean parts (the shaded por
tion in the figure below) the tape contacts like the heads.
Do not use any solution other than alcohol for head cleaning.