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6. TROUBLE SHOOTING
GENERAL
Problem
Cause
Unit fuse blown.
Unit can not power on.
Car battery fuse blown.
Unit can not power on.
Nothing happens
when buttons are
The microprocessor has
pressed.
malfunctioned due to noise, etc.
Display is not
accurate.
Improper audio output connection. Check wiring and correct.
Volume set too low.
Speakers damaged.
No/low audio output.
Heavily biased volume balance.
Speaker wiring is in contact with
metal part of car.
Non-standard disc used.
Speaker power rating does not
Poor sound quality or
match unit.
distortion.
Wrong connections.
Speaker is shorted.
Unit resets itself when
Incorrect connection between ACC
engine is off.
and Battery.
DISC Player
Problem
Cause
Another disc is already loaded.
Disc cannot be
There is a foreign object stuck inside
loaded.
the unit.
Compact disc is dirty.
Sound skips or is
Compact disc is heavily scratched
noisy.
or warped.
Sound is bad when
Condensation may form on the internal
power is fi rst turned
lens when the car is parked in a
on.
humid place.
12
CZ205AU
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, audio setting, etc.
stored in memory are cleared.
Increase volume level.
Replace speakers.
Adjust the channel balance to center position.
Insulate all speaker wiring connections.
Use a standard disc.
Replace speakers.
Check wiring and correct.
Check wiring and correct.
Check wiring and correct.
Measure
Eject the disc before loading the new one.
Remove the object inside the unit.
Clean the compact disc with a soft cloth.
Replace with a compact disc with no
scratches.
Let dry for about 1 hour with power on.
USB device
Problem
Cause
The USB device has been
USB device cannot
inserted with wrong direction.
be inserted.
The USB connector is broken.
The USB device is damaged.
USB device is not
recognized.
Connectors are loose.
No sound heard with
No MP3/WMA fi le is stored in the
the display "No File"
USB device.
shown.
Sound skips or is
MP3/WMA fi les are not encoded
noisy.
properly.
Measure
Reversing the connection direction of the USB
device, try it again.
Replace with a new USB device.
Disconnect the USB device and reconnect. If the
device is still not recognized, try replacing with a
different USB device.
Store these fi les properly in the USB device.
Use MP3/WMA fi les encoded properly.
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