Question about ViewSonic VA702b 17" LCD Monitor
Monitor going black after a few seconds can be caused by a faulty power supply or inverter. Some monitors have both as one unit.
Sometimes it is basic failed capacitors, After that then I would look at transistors.
The average monitor from 17 to 20 and sometimes the 22s have usually 4 bulbs in them. One bad bulb will also cause the inverter to not fire up.
Bad bulbs usually show pinkish tint, or flickering or are dark at center top or bottom of the display.
Posted on Oct 05, 2008
Their is a lose on the monitor data cable
Posted on Jul 28, 2008
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Posted on Jan 02, 2017
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