General Problems - DP Audio Video DZP905 User Manual

Troubleshooting

General problems

Symptoms
The unit cannot be
powered on.
Remote controller does
not work.
No sound comes out or
it's hard to hear.
Poor sound quality or
sound distortion.
User preset information is
lost when ACC is off.
Causes
The fuse of the unit has been broken.
The fuse of car battery has been broken.
False operations and etc.
Battery has been exhausted.
Battery is not installed correctly.
Audio output connection is not correct.
The volume level is set to the minimum level.
The speakers have been damagedl.
The audio channel outputs are not balanced.
The speaker cord is contacted with the
bodywork.
Piratic disc is used.
The speakers power rating does not fit into
the unit output power.
The speakers are connected incorrectly.,
The speaker cord is contacted with the
bodywork.
ACC and BATT are connected incorrectly.
19
Remedies
Install a new fuse with correct rating.
Install a new fuse with correct rating.
Reset the unit.
Change the battery.
Install the battery correctly.
Correct the connection according to(Electrical
Connections Overall Diagram).
Adjust the volume to the optimum level.
Check the speakers.
Adjust the balance of audio channel outputs. Please
refer to (Audio control).
Use insulating cord for connection.
Use original copy disc.
Change the speakers.
Correct the connection according to(Electrical
Connections Overall Diagram).
Use insulating cord for connection.
Correct the connection according to(Electrical
Connections Overall Diagram).