CQ-R221U
29
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20
PROBLEM
POSSIBLE CAUSE
PROBABLE SOLUTION
Troubleshooting
Unit will not turn on.
Dead car battery.
Ignition not on.
Bad power line connection.
Fuse burned out.
Charge car battery.
Turn ignition to On or Accessory.
Check connections.
Replace fuse.
Radio has static.
Antenna not hooked up.
Close to high power lines.
Hook up antenna.
Move away from high power lines.
Radio memor y buttons do
not work.
Not holding buttons down
long enough.
Press and hold buttons for more
than 2 seconds.
Tape sound quality is poor.
Heads are dirty.
Poor quality tape.
Clean heads. (Ask a ser vice
representative for advice.)
Use better quality tape.
Tape will not change
programs.
Not pressing [
] and [
]
buttons at the same time.
Press [
] and [
] buttons at the
same time.
CD Changer will not operate. Unit not properly connected.
Unit not switched into CD
Change mode.
No CDs in the magazine.
Check connections.
Press [MODE].
Check disc magazine.
CD Changer will not play a
specific disc.
Disc loaded upside down.
Disc damaged.
Disc not loaded in magazine.
Reload disc properly.
Check disc for scratches, chips.
Check disc magazine.
❏
Maintenance
Your product is designed and manufactured
to ensure a minimum of maintenance. Use
a soft cloth for routine exterior cleaning.
Never use benzine, thinner, or other
solvents.
❏
When Something Doesn’t
Work
Check the charts below for possible causes
and solutions to any problem you might be
experiencing. Some simple checks or minor
adjustments may eliminate the problem.
❏
Product Servicing
If the suggestions in the charts don’t solve
the problem, we recommend that you take it
to your nearest author ized Panasonic
Servicenter. The unit should be serviced
only by a qualified technician.
❏
Replacing the Fuse
Use fuses of the same specified rating (12
amps). Using different substitutes or fuses
with higher ratings, or connecting the unit
directly without a fuse, could cause fire or
damage to the stereo unit.
If the replacement fuse fails, contact
your nearest authorized Panasonic
Servicenter for service.
❏
Troubleshooting Tips
