Panasonic CQ3700EU - Manual (Page 24)

Troubleshooting
continued
□Troubleshooting Tips
PROBLEM POSSIBLE CAUSE PROBABLE SOLUTION
Unit won’t
turn on. Dead vehicie battery.
Ignition not on.
Bad power line connection.
Fuse burned out.
Charge vehicle battery.
Turn ignition to On or Accessory.
Check connections,
Repiace fuse.
Radio has
static. Antenna not hooked up,
Ciose to high power iines.
Hook up antenna.
Move away from high power lines.
Radio memo­
ry buttons
don’t work.
Not hoiding buttons down long enough. Press and hold buttons for more than 2 seconds.
No sound can
be heard
even if the
disc is proper-
iy ioaded.
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 vehicie 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 distort­
ed due to
vibration
Installing 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 distort­
ed due to
vibration 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 some­
times ejected.
(Display
shows “El",
an error mes­
sage.)
The pickup lens is dirty. Clean the lens. (Use CD lens cleaning disc.)
24
CQ-3700EU