Big Problems With Samsung TV's
Just recently my samsung tv has been making a popping sound and i keep losing power , then yesterday it switched of and wouldn't turn back on . Though this morning it is working again
After doing a quick search online which took me only seconds to do i've found that samsung tv's over the last few years have been suffering a product flaw and even on just one site in 2009 it had 65000 hits for this problem
Apparently there are capacitors which are failing typically just outside of your warranty and will set you back close to £200 to get fixed , though you could do it yourself for £12
Also after reading a lot of complaints on forums samsung still claim its not a common product falt
Ahh, this old chestnut!
Fixed a couple of these screens a while back, I think I posted the same reply here last year.
Samsung released a dodgy batch of chassis a few years ago, the problem was that the capacitors installed on the PSU board just weren't up to the job, being 2 volts under specification.
It's relatively simple to rectify (pardon the pun) if you are half handy with a soldering iron.
Just Gooooogle the problem and you'll find plenty of photographs detailing what you have to do.
Basically, open the set, locate the power supply board, replace a few capacitors and that's all there is too it, no calibration required.
The parts should cost around £6 tops and the whole job takes less than one hour.
It's basically the same problem that the original Thomson Sky HD sufferes with, only instead of loosing sat channels, your TV will first start to snap, crackle and pop occasionally, then progress to slower and slower startup times, until it won't start at all.
Audio/video engineer based in Norway 
Just seen a documentary on french tv where they investigated tvs and the faults that people report. Seems like Samsung are still fitting very cheap capacitors that are bound to fail after about 24-36 months. Either they could use better capacitors...or customers buy a new tv......mmmhhh.
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Cheap caps are the main reason tvs fail these days. I believe Samsung do use VERY cheap ones.
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