Troubleshooting - Audiovox VME 9520 NAV Mode D'emploi

Troubleshooting

Problem
GENERAL
Unit will not power on
No/low audio output
Poor sound quality or
distortion
Unit resets itself when
engine is off
TFT MONITOR
No image
Flashing image or
interference appears
on screen
Prolonged image or
improper height/width
ratio display
Cause
Radio fuse blown
Car battery fuse blown
Illegal operation
Improper audio output con-
nection
Volume set too low
Improper "MUTE" connection
Speakers damaged
Heavily biased volume bal-
ance
Speaker wiring is in contact
with metal part of car
Pirated disc is in use
Speaker power rating not
compatible with unit
Speaker is shorted
Incorrect connection between
ACC and positive battery wire
Incorrect connection to park-
ing brake wire
Parking brake is not engaged
DVD is not compatible with
current TV system settings
Improper video signal connec-
tions
Improper aspect ratio setup
Corrective Action
Install new fuse with cor-
rect rating
Install new fuse with cor-
rect rating
Press the RESET button
located in the bottom left
corner of the front panel
Check wiring and correct
Increase volume level
Review wiring diagram
and check "MUTE" con-
nection
Replace speakers
Adjust the channel bal-
ance to the center position
Insulate all speaker wiring
connections
Use original copy
Connect proper speakers
Check speaker contact
Check wiring and correct
Check wiring and correct
Stop vehicle in safe place
and apply parking brake
Change setup to accom-
modate disc
Check wiring and correct
Use correct aspect ratio
setting
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