Jensen VM8022 Operation Manual - Page 20
Troubleshooting - problem
UPC - 043258304025
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TROUBLESHOOTING Problem Does not operate (display does not light) No power to unit No/low audio output Blows fuses No image Flashing image or interference appears on screen Prolonged image or improper height/width ratio display Disc does not play back Image blurred, distorted, or dark Cause Corrective Action No power to yellow wire; no power to red wire Check connection with test light; check vehicle fuse with test light Fuse blown Replace fuse Fuse blown Check/replace fuse 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 Power wire shorting to ground Make sure wire is not pinched Speaker wires shorting to ground Make sure wire is not pinched Incorrect fuse; fuse too small Install fuse of correct rating 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 DVD is not compatible with cur- Change setup to accommodate disc rent TV system settings Improper video signal connec- Check wiring and correct tions Improper aspect ratio setup Use correct ASPECT RATIO setting 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 Disc is illegally copied Use original disc 16 VM8022