User Manual
Troubleshooting 
Symptom 
Cause 
Remedy
General 
Power does not turn 
on 
(No sound is 
produced) 
Fuse is blown 
Replace with fuse of the same amperage. If 
the fuse blows again, consult your store of 
purchase 
In correct wiring  Consult your local retailer 
No sound output when 
operating the unit with 
amplifiers or power 
antenna attached 
Power antennal lead 
is shorted to ground, 
excessive current is 
required or 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. If the 
amplifiers turn off before all wires are 
attached, use an external replay to provide 
remote-on voltage (excessive current 
required) 
Nothing happens 
when buttons 
are pressed 
Display is not 
Accurate 
The microprocessor 
has malfunctioned 
due to noise, etc. 
Turn off the power, then press the [no open] 
button and remove the DCP., 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 
Sound is bad directly 
after power is turned 
on 
Compact disc is dirty  Clean the compact disc without scratches 
Compact disc is 
heavily scratched or 
warped 
Replace with a compact disc without 
scratches 
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 
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