Troubleshooting - Audiovox VME 9725 NAV Owner's Manual

TROUBLESHOOTING

Problem
GENERAL
Unit will not power
on
No/low audio output
Poor sound quality
or distortion
Unit resets itself
when engine is off
Cause
Radio Fuse blown
Car battery fuse blown
Illegal operation
Improper audio output connection Check wiring and
Volume set too low
Improper "MUTE" connection
Speakers damaged
Heavily biased volume balance
Speaker wiring is in contact with
metal part of car
Pirated disc is in use
Speaker power rating not
compatible with unit
Speaker is shorted
Incorrect connection between
ACC and positive battery wire
140
Corrective Action
Install a new fuse with
the correct rating
Install a new fuse with
the correct rating
Press the RESET
button located over the
rotary encoder on the
front panel
correct
Increase volume level
Review wiring diagram
and check "MUTE"
connection
Replace speakers
Adjust the channel
balance to the center
position
Insulate all speaker
wiring connections
Use original copy
Connect proper
speakers
Check speaker contact
Check wiring and
correct