81
JRV9000
TROUBLESHOOTING
Troubleshooting
Problem Cause Corrective Action
GENERAL
Unit will not power
on
Radio Fuse open Install new fuse with
correct rating
Car battery fuse open Install new fuse with
correct rating
Illegal operation Press the RESET button
located in the middle
of the left side of the
front panel
No/low audio
output
Improper audio output
connection
Check wiring and
correct
Volume set too low Increase volume level
Improper “MUTE” connection Review wiring diagram
and check “MUTE”
connection
Speakers damaged Replace speakers
Heavily biased volume balance Adjust the channel
balance to the center
position
Speaker wiring is in contact with
metal part of car
Insulate all speaker
wiring connections
Poor sound quality
or distortion
Pirated disc is in use Use original copy
Speaker power rating not
compatible with unit
Connect proper
speakers
Speaker is shorted Check speaker contact
Unit resets itself
when engine is of
Incorrect connection between
ACC and positive battery wire
Check wiring and
correct
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