Troubleshooting - Power Acoustik PD-450 Owner's Manual

TROUBLESHOOTING

Symptom
Power does not turn
on.
(No sound is
produced.)
No sound output
when operating the
unit with amplifiers
or power antenna
attached.
Nothing happens
when buttons are
pressed.
Display is not
Accurate
Sound is bad directly
after power is turned
on.
Sound is bad directly
after power is turned
on.
Cause
Fuse is blown
In correct wiring
Power antennal
lead is shorted to
ground excessive
current is required
or remote on the
amplifiers or power
antenna.
The microprocessor
has malfunctioned
due to noise, etc.
Panel or main unit
Connectors
are dirty
Compact disc is
dirty
Compact disc is
heavily scratched
or warped
Water droplets may
form on the internal
lens when the car is
parked in a humid
place
23
Remedy
Replace with fuse of the same
amperage. If the fuse blows again,
consult your store of purchase
Consult your local retailer.
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).
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.
Wipe the dirt off with a soft cloth
moistened with cleaning alcohol.
Clean the compact disc without
scratches
Replace with a compact disc without
scratches.
Let it dry for about 1 hour with the
power on.