Operation Manual

Symptom Cause Remedy
General
Power does not turn on.
(No sound is produced)
Fuse is blown Replace with a fuse of the same
amperage. If the fuse blows
again, consult your store of
purchase.
Incorrect wiring Consult your store of purchase
No sound output when
operating the unit with
amplifiers or power
antenna attached.
Power antenna lead is shor-
ted to ground or excessive
current is required for remote
on the amplifiers or power
antenna.
1. Turn off the unit
2. Remove all wires attached to
the power antenna lead.
Check each wire for a
possible short to ground
using an ohm meter.
3. Turn on the unit.
4. Reconnect each amplifier
remote wire to the power
antenna lead one by one.
5. If the amplifiers turn off
before all wires are attached,
use an external relay to
provide remote-on voltage
(Excessive current required.)
Nothing happens when
buttons are pressed.
Display is not accurate.
The microprocessor has mal-
functioned due to noise etc.
Turn off power, then press the
[OPEN] button and remove the
Control Panel. Press the
[RESET] button for about 2
seconds with a thin rod.
Panel or Main Unit
connectors are dirty.
Wipe the dirt off with a soft cloth
moistened with cleaning alcohol.
CD
CD is dirty. Clean the compact disc with dry
cloth.
CD is heavily scratched or
warped.
Replace the disc.
Sound is bad directly
after power is turned on.
Water droplets may form on
the internal lens when the car
is parked in a humid place.
Let it dry for about 1 hour with
the power on.
Sound skips or is noisy.
TROUBLESHOOTING
46
ENGLISH