Troubleshooting - Boss Audio Systems BV9351B User Manual

Troubleshooting

Symptom
Power does not turn
on
(No sound is
produced)
No sound output when
operating the unit with
amplifiers or power
antenna attached
Nothing happens
when buttons
are pressed
Display is not
Accurate
Sound is bad directly
after power is turned
on
Sound is bad directly
after power is turned
on
Cause
Fuse is blown
In correct wiring
Power antennal lead
is shorted to ground,
excessive current is
required or remote
on the amplifiers or
power antenna
The microprocessor
has malfunctioned
due to noise, etc.
Panel or main unit
Connectors are dirty
Compact disc is dirty
Compact disc is
heavily scratched or
warped
Water droplets may
form on the internal
lens when the car is
parked in a humid
place
18
Remedy
Replace with fuse of the same amperage. If
the fuse blows again, consult your store of
purchase
Consult your local retailer
1. Turn off the unit
2. Remove all wires attached to the power
antenna lead, check each wire for a
possible short to ground using an ohm
meter
3. Turn on the unit
4. Reconnect each amplifier remote wire to
the power antenna lead one by one. If the
amplifiers turn off before all wires are
attached, use an external replay to provide
remote-on voltage (excessive current
required)
Turn off the power, then press the [no open]
button and remove the DCP., press the reset
button for about 2 seconds with a thin rod
Wipe the dirt off with a soft cloth moistened
with cleaning alcohol
Clean the compact disc without scratches
Replace with a compact disc without
scratches
Let it dry for about 1 hour with the power on