6. TROUBLE SHOOTING
GENERAL
Problem
Unit can not
power on.
Unit can not
power on.
Nothing happens
when buttons are
pressed.
Display is not
accurate.
No/low audio
output.
Poor sound
quality or
distortion.
Tel-Mute
malfunction.
Unit resets itself
when engine
is off.
15
CM1521194E(CZ101E) manual.indb
Cause
Unit fuse blown.
Car battery fuse blown.
The microprocessor has
malfunctioned due to noise, etc.
Improper audio output
connection.
Volume set too low.
Speakers damaged.
Heavily biased volume balance. Adjust the channel balance to center
Speaker wiring is in contact with
metal part of car.
Non-standard disc used.
Speaker power rating does not
match unit.
Wrong connections.
Speaker is shorted.
MUTE wire is grounded.
Incorrect connection between
ACC and Battery.
15
Measure
Replace with new fuse of correct rating.
Replace with new fuse of correct rating.
Turn off the power and remove the DCP.
Press the [RESET] button with a thin rod.
Note:
When the [RESET] button is pressed, turn
off the ACC power.*
* When the [RESET] button is pressed,
frequencies of radio stations, titles, etc.
stored in memory are cleared.
Check wiring and correct.
Increase volume level.
Replace speakers.
position.
Insulate all speaker wiring connections.
Use a standard disc.
Replace speakers.
Check wiring and correct.
Check wiring and correct.
Check the MUTE wiring and correct.
Check wiring and correct.
2010-11-3
15:27:41