ADVUNI300
TROUBLESHOOTING
Problem
GENERAL
Unit will not power
on
No/low audio
output
Poor sound qualit
or distortion
Unit resets itself
when engine is off
Troubleshooting
Cause
Radio Fuse open
Car batter fuse open
Illegal operation
I proper audio output
connection
Volu e set too low
I proper "MUTE" connection
Speakers da aged
Heavil biased volu e balance
Speaker wiring is in contact with
etal part of car
Pirated disc is in use
Speaker power rating not
co patible with unit
Speaker is shorted
Incorrect connection between
ACC and positive batter wire
Corrective Action
Install new fuse with
correct rating
Install new fuse with
correct rating
Press the RESET button
located in the iddle
of the left side of the
front panel
Check wiring and
correct
Increase volu e level
Review wiring diagra
and check "MUTE"
connection
Replace speakers
Adjust the channel
balance to the center
position
Insulate all speaker
wiring connections
Use original cop
Connect proper
speakers
Check speaker contact
Check wiring and
correct
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