Jensen VM8514 operating instructions Roubleshooting

VM8514

I ROUBLESHOOTING

Problem

Cause

Corrective Action

Does not operate (dis-	No power to yellow wire; no			Check connection with test
play does not light)	power to red wire			light; check 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 con-			Check wiring and correct
	nection
	Volume set too low			Increase volume level
	Speakers damaged			Replace speakers
	Heavily biased volume bal-			Adjust the channel balance to
	ance			the center position
	Speaker wiring is in contact			Insulate all speaker wiring
	with metal part of car			connections
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 park-			Check Parking SW wiring and
	ing brake wire			correct
	Parking SW wire is connected		Stop vehicle in safe place and
	but parking brake is not			apply parking brake
	engaged
Flashing image or	DVD is not compatible with			Change setup to accommo-
interference appears	current TV system settings			date disc
on screen	Improper video signal con-			Check wiring and correct
	nections
Prolonged image or	Improper aspect ratio setup			Use correct ASPECT RATIO
improper height/width				setting
ratio display
Disc does not play	Disc is warped or scratched			Use disc in good condition
back
	Disc is dirty or wet			Clean disc with soft cloth
	Laser pickup is dirty			Clean laser pickup with clean-
				ing disc
	Incompatible disc is used			Use compatible disc
	Disc rating exceeds RATING	Change RATING settings to
	limit			lower restriction
	Disc region code is not com-			Use disc with proper region
	patible with unit			code
	Disc is inserted upside down			Insert disc with label side up
Image blurred, dis-	Disc is illegally copied			Use original disc
torted, or dark

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