Panasonic CQ-DPG550 - Manuel (Page 25)

□ Troubleshooting Tips
PROBLEM POSSIBLE CAUSE PROBABLE SOLUTION
Unit won't turn
on.
Dead vehicle battery.
Ignition not on.
Bad power line connection.
Fuse burned out.
Charge vehicle 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 memory
buttons don't
work.
Not holding buttons down long enough. Press and hold buttons for more than 2 seconds.
No sound can
be heard even
if the disc is
properly
loaded.
The compact disc is inverted. Insert the disc with label side facing up.
The compact disc is very dirty. Try to clean the compact disc by instructions of disc
cleaning.
The temperature inside the car is more than
140“F (60“C).
Give the interior a chance to cool down before using the
unit.
Excessive moisture. Wait for a while before using the unit.
Wiring connection is not properly done. Confirm all wiring connection such as power cord,
speaker cords, etc.
Volume control is at "minimum* position. Adjust the volume control to the proper level.
Fuse of amplifier is blown out. Replace the fuse with the correct rating.
Sound
distorted due
to vibration.
Installation method is bad. Fix the unit securely.
Inverted sound
(Left/Right
connections).
The speaker cords are inverted. Check the speaker cords.
No sound from
front or rear
speakers.
The fader control is set on the wrong position. Adjust the fader control of the unit correctly.
Sound
distorted
sometimes.
The compact disc may be defective. Try to replace the disc with another one.
The compact disc is dirty. Try to clean the compact disc by instructions of disc
cleaning.
A compact
disc is
sometimes
ejected.
{Display shows
“El", an error
message.)
The pickup lens is dirty. Clean the lens. (Use CD lens cleaning disc.)
CQ-OPG550/DPG500EUC
25