7
Troubleshooting
Phenomenon
Reasons
Solutions
Not operating
Fuse of machine power supply and auto
vehicle
b
attery is burnt;
Voltage of power supply is overloaded;
Automatic protection system avoids fault
due
to
illegal operation
Change for fuse of the correct
types;
Adjust voltage;
Reset the system by pressing
the Reset key
No or low sound
Disconncetion;
Volume setting is low volume;
Loudspeaker fault
Big deviation of volume balance setting;
Earthing in loudspeaker conection
Check the connection;
increase volume
Adjust the volume balance
setting to middle place;
Keep insulation of
loudspeaker connection
Remote control
doesn’t work
Battery is out of power;
Battery is not placed correctly
Change new battery;
Reinstall battery;
Inferior
quality
of sound;
Distortion
of
sound
Inferior disc is prohibited;
Loudspeaker does not match impedance
of the machine;
Speaker fault
Use genuine discs;
Change a matched loudspeaker;
Check
the
connection
of
loudspeaker.
Machine reset
by itself when it
is shut down
Connection of ACC and B+ is not correct.
Check and reconnect ACC and
B+
No image
Connection of brake wire is not correct;
Not braking state.
Check brake wire and
connect them corerectly;
Keep braking state after the car
is placed safely
.
Unstable output
of image
DVD does not correspond with the
present system video setting;
Video signal line is not connected correctly.
Adjust systerm video setting;
Check and replace video signal
line.
Image
stretching
or
compressing
Incorrect ratio settings of icons
Use correct ratio settings of
icons
Weak signal
Auto antenna does not reach out completely
LOC function is under working state.
Connect auto antenna line
correctly
Close LCC function
