In Case Of Difficulty - Clarion DXZ778RUSB Owner's Manual

7. IN CASE OF DIFFICULTY

Problem
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.
No sound heard
No sound heard
Sound skips or is
noisy.
Sound is cut or
skipped.
Noise is
generated or
noise is mixed
with sound.
Sound is bad
directly after
power is turned
on.
Wrong filename
46
DXZ778RUSB
Cause
Fuse is blown.
Incorrect wiring.
Power antenna lead is
shorted to ground or
excessive current is required
for remote-on the amplifiers
or power antenna.
The microprocessor has
malfunctioned due to noise,
etc.
DCP or main unit connectors
are dirty.
The speaker protection circuit
is operating.
MP3/WMA/AAC files are
absent in a disc.
Files are not recognized as
an MP3/WMA/AAC file.
File system is not correct.
Compact disc is dirty.
Compact disc is heavily
scratched or warped.
MP3/WMA/AAC files are not
encoded properly.
Water droplets may form on
the internal lens when the car
is parked in a humid place.
File system is not correct.
Measure
Replace with a fuse of the same amperage. If the
fuse blows again, consult your store of purchase.
Consult your store of purchase.
1. Turn the unit off.
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 the unit back on.
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 relay
to provide remote-on voltage (excessive current
required).
Turn off the power, then press
the [RELEASE] 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.
1. Turn down sound volume. Function can also be
restored by turning the power off and on again.
(Speaker volume is reduced automatically when
the speaker protection circuit operates).
2. If the sound is muted again, consult our service
department.
Write MP3/WMA/AAC files onto the disc properly.
Use MP3/WMA/AAC files encoded properly.
Use ISO9660 level 1, 2 or JOLIET or Romeo or
APPLE ISO file system.
Clean the compact disc with a soft cloth.
Replace with a compact disc with no scratches.
Use MP3/WMA/AAC files encoded properly.
Let dry for about 1 hour with the power on.
Use ISO9660 level 1, 2 or JOLIET or Romeo or
APPLE ISO file system.
Reset button