Question about ViewSonic VX924 19" LCD Monitor
My screen just all of a sudden started switching itself on and off.
When it is on it looks normal but it stays on for less than a second and then switches off again for a second. it keeps doing that repeadately.
Ive seen here many other people have the problem so a solution would be awsome please thanx.
Yes, common problem on this model is one or two vented capacitors on the main board.
If it's a bad light, the unit would not turn itself back on again. The capacitor is, I believe, a 1000uF at 25V. There are two of them, but usually only one goes bad.
Look over the entire power board and see if there are any domed (vented) capacitors anywhere else and replace as required.
Posted on Feb 14, 2008
This is the way how to examine where the problem is. You have to check that you can see the image on screen by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely when the monitor is off. If you can see the icons (Power on both cpu and monitor), there will be a minor problem. Like me, I can see window image using flashlight and check lamps inside. Some of them were broken and it can be easily replaced. If you cannot see any icon on the screen. I would say that there are some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burning spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so.
Posted on Feb 12, 2008
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