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280-7740-00
ADB340MP/ADB341MP 19
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.
Compact disc
cannot be loaded.
No sound heard
Sound is cut or
skipped.
Noise is generated
or noise is mixed
with sound.
Sound skips or is
noisy.
Sound is bad
directly after power
is turned on.
Wrong filename
Sound quality is
poor.
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.
Another compact disc is
already loaded.
MP3 files are absent in a
disc.
Files are not recognized
as an MP3 file.
File system is not correct.
MP3 files are not
encoded properly.
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.
File system is not correct.
Playback head is dirty.
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).
Press the CD eject button for more than 10
seconds to reset.
Eject the compact disc before loading the new
one.
Write MP3 files onto the disc properly.
Use MP3 files encoded properly.
Use ISO9660 level 1, 2 or JOLIET or Romeo
file system.
Use MP3 files encoded properly.
Clean the compact disc with a soft cloth.
Replace with a compact disc with no
scratches.
Let dry for about 1 hour with the power on.
Use ISO9660 level 1, 2 or JOLIET or Romeo
file system.
Use a cleaning tape, etc., to clean the head.
6. IN CASE OF DIFFICULTY
General
CD/MP3Tape
03.12.17, 0:08 PM19