Philips 220BW8EB/27, Service Manual

Page: 57 / 79

7
Out of H/V Sync.
1. Turn off monitor
2. Disconnect signal cable
3. Turn on monitor
In the self test?
(warning signal¡K )
It is need to check and
repair the monitor
Check video cable for bent
pins, reseat to system
video and power system.
Try to go into the
DOS prompt.
"H/V sync. Out of
presetting timing range"
or "Sync. Problem"?
1. Try system with
another monitor
2. Try monitor with
another system
Monitor related?
Make sure that the video
system doesn't select a
driver that is outside the
monitor H/V scan range out
of presetting timing range
while going into windows.
Run windows by using
basic VGA mode
(example 640*480)
1. Try system with
another monitor
2. Try monitor with
another system
Monitor related?
It is need to check and
repair the monitor
It is need to check and
repair the monitor
Video system problem
YES
NO
YES
NO
YES
"H/V sync. Out of
presetting timing range"
or "Sync. Problem"?
YES
NO
END
YES
END
NO
General Trouble Shooting Guide
220BW8 LCD 57