Troubleshooting - Planet Audio PML9660B User Manual

What appears to be a problem is not always serious. Please check the following points before
calling a service center.
Problem
Unit does not power on
No/low audio output
Poor sound quality or
distortion
Tel-Mute malfunction
Unit resets itself when
engine is off
Warning information is
shown at all times
Flashing image or
interference appears on
screen
Cannot insert disc
Disc does not play back
PBC cannot be used
during VCD playback
Repeat or search
function is invalid during
VCD playback
No disc
Bad disc
Unknown disc
Region error

Troubleshooting

Cause
Unit fuse blown.
Car battery fuse blown.
Illegal operation
Improper audio output connection.
Volume set too low.
Speakers damaged.
Heavily biased volume balance.
Speaker wiring is in contact with metal part
of car.
Pirated disc is in use.
Speaker power rating does not match unit.
Wrong connections.
Speaker is shorted.
MUTE wire is grounded.
Incorrect connection between ACC and
BATT.
TFT monitor
Parking break wiring is not correct.
The color system of DVD disc does not
match the monitor.
Pirated disc is in use.
Video cable damaged.
Improper video signal connections.
Disc playback
A disc is already inside the unit.
Disc is warped or scratched.
Disc is dirty or wet.
Incompatible disc is used.
Disc is inserted upside down.
Disc region code is not compatible with
unit.
PBC is not available on the disc.
PBC is on.
Error messages
Disc is dirty.
Disc is upside down.
No disc inside.
Disc is dirty.
Disc is upside down.
Disc format is not compatible with this unit.
DVD region code is not compatible with
this unit.
General
Install new fuse with correct rating.
Install new fuse with correct rating.
Reset the unit.
Check wiring and correct.
Increase volume level.
Replace speakers.
Adjust the channel balance to center
position.
Insulate all speaker wiring connections.
Use original disc.
Replace speakers.
Check wiring and correct.
Check wiring and correct.
Check the 'MUTE' wiring and correct.
Check wiring and correct.
Check wiring and correct.
Adjust the color system of the DVD
disc playing back or the monitor in use.
Use original disc.
Replace cables.
Check wiring and correct.
Eject current disc and insert new one.
Use disc in good condition.
Clean disc with soft cloth.
Use compatible disc.
Insert disc with label side up.
Use disc with proper region code.
Use disc with PBC available.
Turn PBC off.
Clean disc with soft cloth.
Insert disc with label side up.
Insert disc.
Clean disc with soft cloth.
Insert disc with label side up.
Use disc with compatible format.
Use disc with compatible region code.
25
Corrective action