Philips 170B4BB, Service Manual

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General Troubleshooting Guide (Continued)
Out of H/V Sync.
NO
END
Video system
problem
NO
1. Turn off monitor.
2. Disconnect
signal cable.
3. Turn on monitor.
in the self test ?
(warning signal..)
YES
Check video cable for
bent pins, reseat to
system video and
power system.
Try to go into the
Dos Prompt.
It is need to check and
repair the monitor.
"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 ?
YES
It is need to check and
repair the monitor.
NO
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 x 480)
"H/V out of
presetting timing
range" or "Sync.
problem" ?
NO
END
1. Try system with
another monitor.
2. Try monitor with
another system.
Monitor related ?
YES
It is need to check and
repair the monitor.
YES
YES
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