VM9213
~
TROUBLESHOOTING
Table
7:
Troubleshooting
Problem
Cause Corrective Action
GENERAL
Unit will not power
on
Radio Fuse blown Install new fuse with correct rating
Car battery fuse blown
Install new fuse with correct rating
Illegal operation Press the RESET button located
in
the bottom right corner of the front panel
Remote control does not function Battery depleted Replace battery with new one
Battery installed incorrectly Remove battery and install correctly
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
Tel-Mute malfunction "MUTE" wire
is
grounded Check that "MUTE" connection is not grounded and that it's properly insulated
Unit resets itself when engine is off Incorrect connection between ACC and positive battery Check wiring and correct
wire
TFT MONITOR
Monitor does not open automatically TFT Auto Open is turned off Turn TFT Auto Open
on
No image
Incorrect connection to parking brake wire Check wiring and correct
PRK SW is activated and parking brake
is
not engaged Stop vehicle
in
safe place and apply parking brake
Flashing image or interference appears
on
screen DVD
is
not compatible with current TV system settings
Change setup to accommodate disc
Improper video signal connections
Check wiring and correct
Prolonged image or improper height/width ratio dis- Improper aspect ratio setup Use correct aspect ratio setting
play
Monitor stops at incorrect position Moving path is blocked Press OPEN button to restart monitor movement
TUNER
Weak station searching Auto antenna is not fully extended Connect the auto antenna control cable properly
Auto antenna not properly connected Connect the auto antenna control cable properly
LOCAL function
is
activated Turn LOCAL function off
DISC
Cannot insert disc Disc already inside unit Eject current disc and insert new one
22
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