Jitter / Video Noise - Philips 190VW8FB/93 Service Manual

56
190VW8 LCD

Jitter / Video Noise

Turn on monitor with a
display or image for 30
minutes (due to drift).
Jitter or Noise still present?
NO
Try moving the monitor to
another location to see if
problem goes away
END
Jitter or Noise disappear
Environment problem
General Trouble Shooting Guide
13
YES
NO
YES
Jitter or Noise disappear
END
Video system problem
1. Try system with
another monitor
2. Try monitor with
another system
YES
END
NO
It is need to check and
repair the monitor
NO
Monitor related?
Power off any monitor that
is within 2 or 3 feet away
Remove any unshielded
speakers away from the
monitor
Make sure there are no
flourescent light fixtures
close to the monitor
Try to keep monitor away from
large metal structures, power
poles, fans and metal carts
Check for other devices
that may be causing
magnetic interference
Is picture displayed
normally?
YES
END