Boss Audio Systems BV9370B User Manual page 24

Table 1:General problem
problem
Unit does not
power on
Screen touch is
insensitive
No audio output
Low audio output
Poor sound quality
or distortion
Table 2:Tuner problem
problem
Weak station
searching
Casue
Radio fuse blown
Car battery fuse blown
Illegal operation
Place of touch screen
is offset
Improper audio output
connection
VOLUME 0
Improper MUTE
connection
Volume set too low
Heavily biased volume
balance
Speaker power rating
not compatible with unit
Speaker is shorted
Casue
Auto antenna is not
fully extended
Local function is
activated
Corrective Action
Install new fuse with
right rating
Install new fuse with
right rating
Press the Reset button
Go to setup menu and
set the calibration
Check wiring and correct
Turn up the volume
Check wiring and TEL
MUTEconnection
Increase the volume
Check and adjust the
channel balance to the
center position
Connect proper speakers
Check speaker contrast
Corrective Action
Connect the auto
antenna properly
Turn Local function OFF
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