Question about ViewSonic Optiquest Q7b Flat panel TFT 17" Monitor
The monitor comes on for a second then goes black. I was told to replace the flourescent starter. I wanted to get another opinion before I proceeded.
Don't know if this will fix your problem, but my monitor did the same thing. If you look on the bottom of the power supply board, you will find Q305 and Q306. They are probably both shorted. I replaced both transistors and the capacitor C305 on the top of the same board. The capacitor was open. After I replaced the parts it is working again. Look with a magnifying glass and make sure there are no bad solder joints. The only place I could find the transistors were at www.bluestar-online.com. Make sure you order the 2SC5706. It is an exact replacement.
Posted on Dec 24, 2008
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Posted on Jan 02, 2017
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