Troubleshooting - Clarion DXZ788RUSB Manual De Instrucciones

01_DXZ788RUSB_EN.book 47 ページ ２００７年１１月２７日 火曜日 午後６時３４分

8. TROUBLESHOOTING

Problem
Power does not Fuse is blown.
turn on.
(No sound is
Incorrect wiring.
produced.)
No sound output Power antenna lead is
when operating shorted to ground or
the unit with excessive current is required
amplifiers or for remote-on the amplifiers
power antenna or power antenna.
attached.
Nothing happens The microprocessor has
when buttons are malfunctioned due to noise,
pressed. etc.
Display is not
accurate.
DCP or main unit connectors
are dirty.
No sound heard The speaker protection circuit
is operating.
No sound heard MP3/WMA/AAC files are
absent in a disc.
Files are not recognized as
an MP3/WMA/AAC file.
File system is not correct.
Sound skips or is Compact disc is dirty.
noisy.
Compact disc is heavily
scratched or warped.
Sound is cut or MP3/WMA/AAC files are not
skipped. encoded properly.
Noise is
generated or
noise is mixed
with sound.
Sound is bad Water droplets may form on
directly after the internal lens when the car
power is turned is parked in a humid place.
on.
Wrong filename File system is not correct.
Cause
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.
Measure
Reset button
47
DXZ788RUSB