Phonocar VM 040, Manual Instructions

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What appears to be trouble is not always serious. Please check the following points before calling a service
center.
Troubleshooting
Problem Cause Corrective action
General
Unit can not
power on
Remote control does not
work
No/low audio output
Poor sound quality or
distortion
Tel-Mute malfunction
Unit resets itself
when engine is off
Monitor does not open
automatically
Warning information is
shown at all times
Flashing image or interfe-
rence appears on screen
Unit fuse blown.
Car battery fuse blown
Illegal operation
Battery depleted
Battery installed incorrectly
Improper audio output connection
Volume set too low
Speakers damaged
Heavily biased volume balance
Speaker wiring is in contact with metal
part of car
Piratic disc is in use
Speaker power rating
does not match unit
Wrong connections
Speaker is shorted
MUTE wire is grounded
Incorrect connection between
ACC and BATT
TFTAuto Open is turned off
Parking break wiring is not correct
Parking break wiring is not correct
Piratic disc is in use
Video cable damaged
Improper video signal connections
Install new fuse with correct rating
Install new fuse with correct rating
Reset the unit
Change the battery.
Install the battery correctly.
Check wiring and correct.
Increase volume level.
Replace speakers.
Adjust the channel balance to center position.
Insulate all speaker wiring connections.
Use original disc
Replace speakers.
Check wiring and correct.
Check wiring and correct.
Check the ‘MUTE’ wiring and correct.
Check wiring and correct.
Turn TFTAuto Open on.
Check wiring and correct.
Adjust the color system of the DVD disc
playing back or the monitor in use.
Use original disc
Replace cables
Check wiring and correct
TFT monitor