In Case Of Difficulty; Error Displays - Clarion ADB340MP Service Manual

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.
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
Sound quality is poor.

ERROR DISPLAYS

Error Display
ERROR 2 A DISC is caught inside the CD deck and is not ejected.
ERROR 3 A DISC cannot be played due to scratches,etc.
ERROR 6 A DISC is loaded upside-down inside the CD deck and does not
play.
ERROR Tape is caught and cannot be ejected.
*If an error display other than the ones described above appears, Press the CD eject button for more than 10 seconds to reset.
ADB340MP
ADB341MP
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.
MP3 files are absent in a disc.
Files are not recognized as an MP3 file.
File system is not correct.
Disc is dirty.
Disc is heavily scratched or warped.
MP3 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.
Playback head is dirty.
Cause
Replace with a fuse of the same amperage.
Wire properly.
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 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.
Write MP3 files onto the disc properly.
Use MP3 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 files encoded properly.
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.
This is a failure of CD deck's mechanism.
Replace with a non-scratched,non-warped-disc.
Eject the disc then reload it properly.
This is a failure of Tape deck's mechanism.
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