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15
6. TROUBLE SHOOTING
GENERAL
Problem Cause Measure
Unit can not
power on.
Unit fuse blown. Replace with new fuse of correct rating.
Car battery fuse blown. Replace with new fuse of correct rating.
Unit can not
power on.
Nothing happens
when buttons are
pressed.
Display is not
accurate.
The microprocessor has
malfunctioned due to noise, etc.
Turn o the power and remove the DCP.
Press the [RESET] button with a thin rod.
Note:
When the [RESET] button is pressed, turn
o the ACC power.*
* When the [RESET] button is pressed,
frequencies of radio stations, titles, etc.
stored in memory are cleared.
No/low audio
output.
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.
Speaker wiring is in contact with
metal part of car.
Insulate all speaker wiring connections.
Poor sound
quality or
distortion.
Non-standard disc used. Use a standard disc.
Speaker power rating does not
match unit.
Replace speakers.
Wrong connections. Check wiring and correct.
Speaker is shorted. Check wiring and correct.
Tel-Mute
malfunction.
MUTE wire is grounded. Check the MUTE wiring and correct.
Unit resets itself
when engine
is o.
Incorrect connection between
ACC and Battery.
Check wiring and correct.