Panasonic CQ-4400U Operating Instructions Manual page 24

Troubleshooting
❏ Troubleshooting Tips
PROBLEM
Unit does not turn on.
Radio has static.
Radio memory buttons do not
work.
Tape sound quality is poor.
Inver ted sound (Left/Right
connections.)
No sound from front or rear
speakers.
23
POSSIBLE CAUSE
Dead vehicle battery
Ignition or ACC is not on.
Bad power line connection
Fuse is blown.
Antenna not hooked up
Close to high power lines
Not holding buttons down long
enough
Heads are dirty.
Poor quality tape.
The speaker cords are inverted.
The fader control is set on the
wrong position.
(continued)
PROBABLE SOLUTION
Charge vehicle battery.
Turn ignition to On or ACC.
Check connections.
Replace fuse. (Consult your dealer)
Hook up antenna.
Move away from high power lines.
Press and hold buttons for more
than 2 seconds.
Clean heads. (Ask a ser vice
representative for advice.)
Use better quality tape.
Check the speaker cords.
Adjust the fader control of the
unit correctly.