Troubleshooting - RIPSpeed DV740 Operation Instructions Manual

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

Troubleshooting

Cause
General
Install new fuse with correct rating.
Install new fuse with correct rating.
Reset the unit.
Change the battery.
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.
TFT monitor
Turn TFT Auto Open on.
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.
27
Corrective action