Troubleshooting - Audiovox VM8012 Installation And Operation Manual

VM8012

TROUBLESHOOTING

Problem
Does not operate (dis- No power to yellow wire; no
play does not light) power to red wire
Fuse blown
No power to unit Fuse blown
No/low audio output Improper audio output connec-
tion
Volume set too low
Speakers damaged
Heavily biased volume balance Adjust the channel balance to the center
Speaker wiring is in contact with
metal part of car
Blows fuses Power wire shorting to ground
Speaker wires shorting to
ground
Incorrect fuse; fuse too small
No image Incorrect connection to parking
brake wire
Parking SW is connected but
parking brake is not engaged
Flashing image or inter- DVD is not compatible with cur-
ference appears on rent TV system settings
screen
Improper video signal connec-
tions
Prolonged image or Improper aspect ratio setup
improper height/width
ratio display
Disc does not play back Disc is warped or scratched
Disc is dirty or wet
Laser pickup is dirty
Incompatible disc is used
Disc rating exceeds RATING
limit
Disc region code is not compati-
ble with unit
Disc is inserted upside down
Image blurred, distorted, Disc is illegally copied
or dark
Cause Corrective Action
Check connection with test light; check
vehicle fuse with test light
Replace fuse
Check/replace fuse
Check wiring and correct
Increase volume level
Replace speakers
position
Insulate all speaker wiring connections
Make sure wire is not pinched
Make sure wire is not pinched
Install fuse of correct rating
Check Parking SW wiring and correct
Stop vehicle in safe place and apply
parking brake
Change setup to accommodate disc
Check wiring and correct
Use correct ASPECT RATIO setting
Use disc in good condition
Clean disc with soft cloth
Clean laser pickup with cleaning disc
Use compatible disc
Change RATING settings to lower
restriction
Use disc with proper region code
Insert disc with label side up
Use original disc
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