Question about ViewSonic VA1930WM LCD Monitor
I have an ViewSonic VA1930WM, about two years old. Now, the display goes off most immediately after on. Power switch seems ok (stay green), but the screem goes black after 1 second on. Any help will be greatly appreciated.
There are many areas of the LCD monitor that can cause very much the same effect that you see. Most of the time there are capacitors that go defective.
The caps can be tested with an ESR meter. This is a time consuming job. The caps are mostly surface mount types, and will require the proper tools to change them.
Normaly the service centers will change the defective boards rather than try to service them. There is no component level service support for any of these monitors.
In the end, it would be cheaper for you to replace the monitor rather than to fix it.
Posted on Jun 03, 2008
SOURCE: viewsonic problem
I RMA'd this probablem as well. They asked the usual questions -- try it alone, check the connections, are you using VGA or DVI... blah blah. Eventually they could give me an RMA.
They have customer support via phone on Sundays in the US, which is nice. Total time from calling to RMA was about 20 minutes.
Posted on Sep 14, 2008
SOURCE: Viewsonic VA702B
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
SOURCE: viewsonic VA1930WM
You need to isolate the problem to see if there's a problem with the monitor or with the sound card of the computer.
To isolate this problem, please try the steps below:
1. Make sure that the monitor is properly connected to the computer.
2. Check the volume of the monitor and the volume properties of the computer.
3. Try to connect your monitor into a known working computer.
Posted on Apr 15, 2009
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