Troubleshooting - Phase Linear UV8020 Installation And Operation Manual

UV8020

TROUBLESHOOTING

Problem
GENERAL
Unit will not power on
Remote control does not function
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
TUNER
Weak station searching
CD/DVD
Cannot insert disc
Image blurred, distorted, or dark
Table 7: Troubleshooting
Cause
Radio Fuse blown
Car battery fuse blown
Illegal operation
Battery depleted
Battery installed incorrectly
Improper audio output connection
Volume set too low
Speakers damaged
Heavily biased volume balance
Speaker wiring is in contact with metal part of car Insulate all speaker wiring connections
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 parking brake wire
Parking brake is not engaged
DVD is not compatible with current "Video For-
mat" settings
Improper video signal connections
Improper aspect ratio setup
Auto antenna is not fully extended
Auto antenna not properly connected
Disc already inside unit
Disc is illegally copied
Corrective Action
Install new fuse with correct rating
Install new fuse with correct rating
Press the RESET button located in the bottom right corner of the front panel
Replace battery with new one
Remove battery and install correctly
Check wiring and correct
Increase volume level
Replace speakers
Adjust the channel balance to the center position
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 accommodate disc
Check wiring and correct
Use correct aspect ratio setting
Connect the auto antenna control cable properly
Connect the auto antenna control cable properly
Eject current disc and insert new one
Use original disc
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