Troubleshooting - Audiovox VM9224 Operating Instructions Manual

TROUBLESHOOTING

Problem
GENERAL
Unit will not Radio Fuse blown
power on
Car battery fuse blown
Illegal operation
Remote con- Battery depleted
trol does not
Battery installed incor-
function
rectly
No/low audio Improper audio output
output connection
Volume set too low
Improper "MUTE" connec-
tion
Speakers damaged
Heavily biased volume
balance
Speaker wiring is in con-
tact with metal part of car
Poor sound Pirated disc is in use
quality or dis-
Speaker power rating not
tortion
compatible with unit
Speaker is shorted
Unit resets Incorrect connection
itself when between ACC and posi-
engine is off tive battery wire
TFT MONITOR
No image Incorrect connection to
parking brake wire
Parking brake is not
engaged
Flashing DVD is not compatible
image or inter- with current TV system
ference settings
appears on
Improper video signal
screen
connections
Table 6: Troubleshooting
Cause
Install new fuse with correct rating
Install new fuse with correct rating
Press the RESET button located in the
bottom right corner of the front panel
Replace battery with new one
Remove battery and install correctly
Check wiring and correct
Increase volume level
Review wiring diagram and check
"MUTE" connection
Replace speakers
Adjust the channel balance to the cen-
ter position
Insulate all speaker wiring connections
Use original copy
Connect proper speakers
Check speaker contact
Check wiring and correct
Check wiring and correct
Stop vehicle in safe place and apply
parking brake
Change setup to accommodate disc
Check wiring and correct
54
VM9224
Corrective Action