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When the DC filter caps no longer filter out high frequency AC, that AC will be fed through out the circuits and cause damages such as the inverter frequency will be running at the wrong frequency and caused overheating.
The service manual does not show the sch of the power supply/inverter board because it is not designed by Viewsonic. http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20VX924/
The picture board on your monitor is bad, since the power led or button is on and all connection are correct and goes blank after few seconds, it means the
board of your monitor has developed fault.
The best thing for you
do now is to take the monitor to a local repairer within your vicinity
to help with the replacement of the picture board
because the fault is not something you can fix yourself, in order not to
My VX924 did the same thing but now displays nothing and power switch light just blinks. According to an answer listed on previous page, it may have bad capacitors. I may have to take a look at them. Viewsonic repair facility examination of this monitor runs $70.
You are probably having the typical failure of capacitors on your power board.
See item ebay item 390058035470 http://cgi.ebay.com/REPAIR-4-Inverter-Power-board-VS10162-Viewsonic-VX922_W0QQitemZ390058035470 If you can get a picture of the board to me at firstname.lastname@example.org I may be able to confirm the problem. Fran