Question about ViewSonic VA720 17" LCD Flat Panel Monitor
I bought this monitor at a swap meet for $25... naturally I'm skeptical about their warrantees. Alas, the thing doesn't work. The green LED comes on, and automatically powers on, then the picture warms up and displays a beautiful picture for about half a second, then turns off again immediately and restarts the process. I thought the power button might be stuck, but it doesn't seem to be a mechanical issue. Should I throw this junk away and cut my losses, or is it salvagable? Thanks!
Hi, I am of the opinion that the LCD is reasonably repairable. It would seem that something needs repair/replacement in the inverter section of the LCD. This is where the power to the backlight comes from. More often than not, the defective components are capacitor(s) that have lost its capacity to hold a charge, burst, swollen or lost its oil film separator. They are relatively inexpensive and should be be easy to replace. In some cases, it may just be a component cold solder which would require re-heating; connection that heats up because they are loose or at worst a CCFLamp that is at the end of its life. hope this be of some help/idea. Pls post back how things are or should you need further information. Good luck and kind regards.
Posted on Sep 23, 2007
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Posted on Jan 02, 2017
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