EXONIC EXD 7088 - Manual (Page 30)

What appears to be trouble is not always serious. Please check the following
points before calling a service center.
Problem Cause Corrective action
Unit can not
power on
Unit fuse blown. Install new fuse with correct rating.
Car battery fuse blown. Install new fuse with correct rating.
Illegal operation Reset the unit.
General
Remote control
does not work
Battery depleted. Change the battery.
Battery installed incorrectly. Install the battery correctly.
Improper audio output
connection.
Check wiring and correct.
Volume set too low. Increase volume level.
Speakers damaged. Replace speakers.
Heavily biased volume
balance. Adjust the channel balance to center
position.
No/low audio output
Speaker wiring is in contact
with metal part of car.
Insulate all speaker wiring connections.
Piratic disc is in use. Use original disc.
Wrong connections.
Speaker power rating does
not match unit.
Replace speakers.
Speaker is shorted.
Poor sound quality
or distortion
Incorrect connection
between ACC and BATT.
Check wiring and correct.
Unit resets itself when
engine is off
Monitor does not
open automatically
TFT Auto Open is turned off. Turn TFT Auto Open on.
TFT monitor
Warning information
is shown at all times Parking break wiring is not
correct.
The color system of DVD disc
does not match the monitor. Adjust the color system of the DVD disc
playing back or the monitor in use.
Video cable damaged. Replace cables.
Improper video signal
connections.
Flashing image or
interference appears
on screen
Check wiring and correct.
Check wiring and correct.
MUTE wire is grounded. Check the 'MUTE' wiring and correct. Tel-Mute malfunction
Check wiring and correct.
Piratic disc is in use. Use original disc.
Check wiring and correct.
Troubleshooting
26