Audiovox VM8022 operation manual Troubleshooting, Problem Cause Corrective Action

VM8022

TROUBLESHOOTING

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

16