Question about ViewSonic VX2235wm LCD Monitor
Hi. I've got a vx2235wm monitor, the picture quality is great....while it's on. After hitting power, the display goes black in aproximately 1 second but the power light stays lit...I've noticed comments for other monitors having this issue and it's either a fuse or capacitor issue in the power area...but the screens that I'm seeing are different for this monitor...could it be the same issue and is there some way to get a more accurate view of what I'd be replacing?
Just got this problem. Exactly with the symptoms described.
I swapped out 3 slightly bulged Capacitors in the power supply area.
Sorry, I was meant to write down the exact designations, but only remembered once I put it all back together again. (oops)
The Cappies in question were 3 exactly the same ones.
220uF, 25v ,about 1cm tall and black. Can't miss them.
Posted on Jan 21, 2009
I recently have the same issue. I've ohmed out any fuses I can see (there are many) and looked for obvious cap issues, but no luck. Will get out the scope when I find some time.
While it may be "cheaper" to replace the monitor (done that already), it gnaws at me to have an almost perfect monitor sitting next to a fully equiped wotk bench....
Will update if I find anything.
Posted on Aug 26, 2008
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
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