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22 DB456MC
280-8138-00
English
8. IN CASE OF DIFFICULTY
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.
Sound skips or is
noisy.
Sound is cut or
skipped.
Noise is
generated or
noise is mixed
with sound.
Problem
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.
MP3/WMA files are absent
in a disc.
Files are not recognized as
an MP3/WMA file.
File system is not correct.
Disc is dirty.
Disc is heavily scratched or
warped.
MP3/WMA files are not
encoded properly.
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).
Wipe the dirt off with a soft cloth moistened with
cleaning alcohol.
Write MP3/WMA files onto the disc properly.
Use MP3/WMA files encoded properly.
Use ISO9660 level 1, 2 or JOLIET or Romeo file system.
Clean the disc with a soft cloth.
Replace with a disc with no scratches.
Use MP3/WMA files encoded properly.
Cause
CD/MP3/WMA
General
Tu rn off the power, then
press the [RELEASE]
button and remove the DCP.
Press the reset button for
about 2 seconds with a thin
rod.
Measure
Reset button
+DB456MC-005-ENG 05.1.24, 6:03 PM22