Question about ViewSonic VX2835WM 28 inch LCD Monitor
No power no lights no sound
The 2 470uf caps on the driver board can cause that type problem if they are bulging. Be sure to use low ESR caps for the repair. They will also need to be high temp and high ripple current. DO not use ones from Radio Shack, they can damage the board when they fail. Capacitors from Nichicon, United Chemicon, Rubycom and Panasonic are the best ones to use for this type repair. Just check the ratings.
Posted on Feb 20, 2012
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Posted on Jan 02, 2017
Look for bad caps with bulging/leaking tops as shown here: Basic LCD monitor and TV troubleshooting guide: Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Very common problem in all LCD monitors as you can see in my albums.
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Basic LCD monitor and TV troubleshooting guide:
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Posted on Oct 27, 2011
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