H/V Rolling, H/V Sync - Philips 202P4 Service Manual

General Troubleshooting Guide
7
H/V Rolling,
H/V Sync.
1. Turn off monitor.
2. Disconnect
signal cable.
3. Turn on monitor.
Does rolling occur
in the self test ?
(warning signal..)
YES
It is need to check and
repair the monitor.
NO
Check video cable for
bent pins, reseat to
system video and
power system.
Try to go into the
Dos Prompt.
"H/V rolling" or
"Sync. problem" ?
YES
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
Video system
problem
END
9
: Make sure that the
Video system doesn't
select a driver that is
NO
outside the Monitor H/V
scan range while going
into windows.
Run Windows by using basic
VGA mode
(like 640 x 480)
"H/V rolling" or
"Sync. problem" ?
YES
1. Try system with
another monitor.
2. Try monitor with
another system.
Monitor related ?
YES
It is need to check and
repair the monitor.
99
202P4 M25P
Go to cover page
NO
END