Question about ViewSonic VX910 19" LCD Monitor

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I have viewsonic vx910.It does not seem to have any power.what do I check in the power supply? is this something I can fix HELP!

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Carl_p90, I don't know what you are capable of doing in the matter of "checking" the unit's "switch-mode-power-supply/CCFL voltage INVERTER circuits"!!! I have responded to another VX910 that you should read first. (kimespinoza Nov 04, 2009) The only option I did not mention to her was to do the visual inspection for the possible FAILED electrolytic filter capacitors on the SMPS/inverter combo board! Visit YOUTUBE for cilps of "LCD monitor disassembly" and "LCD monitor repair" videos. The longer ones are more helpful! Also check out www.ccl-la.com/badcaps.htm to see what is involved in doing your own repair work if you discover BAD CAPS in your unit. Then get back here if you need some assistance. Tell us more about your VX910 such as age, approx total "on" hrs of use, and results of doing the "FLASHLIGHT TEST" that every LCD owner should know how to perform when encountering a non-sleep-mode BLACK-SCREEN of DEATH!!! I will be checking for a comment from you after you do some research on your problem. Here is a clue!! Do you own any of the NEW style CURLIE-Q screw-in CFL light bulbs! Same technology lights up your LCD PANEL!!! Only you have thin, straight lamps hung on rear of your panel. Bye for now. 12fixlouie

Posted on Nov 20, 2009

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1 Answer

Monitor turns black after 2 seconds, Viewsonic VX910


Check the power supply first for bad caps, then check to see if you do have 12vdc feeding the the inverter circuits, worst case will be the lamps, see example of failed VIEWSONIC monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums

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Getting another power supply will be costly exercise mate may be easier to get quote from a local tech if it is just caps that have vented and then weigh up the price difference as LCDs are quite cheap now.

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ViewSonic VX910 19" LCD...


I had the same exact problem. I pulled the power supply/inverter board out and found what alot of people have seen. The T1 transformer has blown. Replacement board link here.

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