Question about Olevia LT37HVS 37 in. LCD HDTV
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Posted on Jan 02, 2017
seems like the main-board is having some issues.. the tv's main-board will have to be replace or repair..
Since the manuf. when out of buss.. the only way to get that fix is thru the 3rd party repair center called Amergence Technology in witch they service all Olevia Televisions..
There number is 866-965-3842 im sure they could give you an estimate on the repair cost for you.
Posted on Jul 29, 2009
SOURCE: no sound screen blank
This one is known to have bad backlight inverter board, mostly due to open winding on the secondary side of the inverter transformer,
If you are going to DIY and have proper tools and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Transfomer and board: http://www.lcdparts.net
Posted on Jul 01, 2010
There's a good chance you have failing electrolytic capacitors either in the power section or the inverter section or both.
Any caps in these sections that look bulged at the top, or bulged/leaking at the bottom need to be replaced.
If you repeatedly turn it off and on, eventually it'll probably stay on, but every time you turn it off, the TV will get harder and harder to start up until one day it just won't.
Sometimes you have to do the opposite to start it up and unplug it for some time and then try again.
If you aren't tech savvy, don't worry, read the rest of this solution and watch the videos.
If you are handy with a soldering iron and can identify the power supply and inverter / FM section for the backlights, an inexpensive handful of capacitors will likely fix you right up.
Match the capacitance on the capacitors. Go over voltage if you can, and still have them fit.
IE - it's not a bad idea to replace a 10V cap with a 16V or 25V or even a 50V, but don't replace a 680uF cap with a 500uF or a 1000uF (unless you are positive it's only doing ripple filtering, and even then, you should go OVER, not under the uF rating).
Most of the caps that go are 10V 1000uF or 3300uF.
I found some great videos of the procedure (for many Samsungs with the same issue) on youtube.
As you can see, this issue spans plasma TVs, as well as large and small LCD TVs and monitors.
The parts are cheap, and skill required is minimal.
Cpacitors are less than a buck a piece typically if you order online from a place like www.digikey.com plus shipping, and they usually arrive next business day.
Posted on Jul 13, 2011
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