Operation Manual

34
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GENERAL
Problem Cause Corrective action
Unit will not power on. 1. Radio fuse blown. 1. Install new fuse with correct rating.
2. Car battery fuse blown. 2. Install new fuse with correct rating.
3. Illegal operation. 3. Press the [RESET] button located in the
bottom right corner of the front panel.
Remote control does not function. 1. Battery depleted. 1. Replace battery with new one.
2. Battery installed incorrectly. 2. Remove battery and install correctly.
No/low audio output. 1. Improper audio output connection. 1. Check wiring and correct.
2. Volume set too low. 2. Increase volume level.
3. Improper “MUTE” connection. 3. Review wiring diagram and check
“MUTE” connection.
4. Speakers damaged. 4. Replace speakers.
5. Heavily biased balance setting. 5. Adjust the channel balance to the center
position.
6. Speaker wiring is in contact with metal
part of car.
6. Insulate all speaker wiring connections.
Poor sound quality or distortion. 1. Unauthorized disc is in use. 1. Use original copy.
2. Speaker power rating not compatible
with unit.
2. Connect proper speakers.
3. Speaker is shorted. 3. Check speaker connections.
Unit resets itself when
engine is off.
1. Incorrect connection between yellow
memory wire and positive battery wire.
1. Check wiring and correct.
TFT MONITOR
Problem Cause Corrective action
No image. 1. Incorrect connection to parking brake
wire.
1. Check wiring and correct.
2. PRK SW is activated and parking brake
is not engaged.
2. Stop vehicle in safe place and apply
parking brake.
Flashing image or interference
appears on screen.
1. DVD is not compatible with current TV
system settings.
1. Change setup to accommodate disc.
2. Improper video signal connections. 2. Check wiring and correct.
Prolonged image or improper
height/width ratio display.
1. Improper aspect ratio setup. 1. Use correct aspect ratio setting.
XT8020_MANUAL UK+DE.indd 34 03.12.2008 16:14:48 Uhr