To all potential PN50B850/860 "thin" plasma buyers please be aware that the abnormally loud buzz exhibited by these sets is deemed "normal" by Samsung and no exchange or replacement will be performed.
The sets have been returned in droves to Best Buy and other retailers because of the buzzing noise they make. After working with Samsung case management for my particular set for many months they are now firmly committed to saying the level of buzz is normal for plasmas and this set. I can agree its normal for this set, but its at least 100x worse than every other plasma Ive owned (4). Yes they all buzz, but generally less than 6 INCHES away. Ive now had 4 different B850/B860 combinations and they all can be heard from 10 FEET. This range appears to have an inherent design fault.
If you *do* decide to get one, please remember to return it directly to the dealer you bought it from as Samsung will not be able to fix the "buzz" you are hearing. If you are a dealer this might not be the best set to stock. If the buzz does not bother you, then great - the set is wonderful apart from the buzz.
This is what I had to go through to get to this point (I have a buzzing plasma that Samsung will not deal with).
Samsung is unable to resolve an issue w/ several plasmas I have had from them from 6/15/09. Long version here: http://bit.ly/12Yi73. Summary: 6/15 I bought a PN50B850 from Best Buy. It started "buzzing" & I could hear it in another room when volume was on! I have owned 3 different plasma brands and this is 100x worse (not normal). Returned 1st TV to BB & the 2nd arrived on 7/2. 2nd TV had same issue, could hear the buzz 15' away. Called SS who sent repair dealer (tvunlimited). Claimed "its normal". I escalate it & SS contacted a different repair center. On 7/24/09 tech tries to replace board but has wrong model. On 8/3/09 tech replaces 3 boards but buzzing got WORSE. On 8/14/09, cnet SS rep arranges replacing 2nd set w/ upgraded model. Unfortunately buzz still there. I have already installed the $$$ SS mount so I see if I can live w/ buzz. On 10/25/09 I decide I can't. Called SS & they send tech w/ new fix, but tv ALREADY has fix installed. No change to buzzing issue. Called support & told they need to call the service center to check that the problem was "unrepairable" & they'd call back. They didnt. I call a day later & told tvunlimited should have set up appointment w/ me. I call tvunlimited & they said no fix for problem, it's "usual" on these sets. I call SS again on 11/3 & they say need to contact someone in "product" & will call back. No callback. I have now had 4 different versions of the same set. SS never call back when they say they would (4) & not addressing the problem. The buzz w/ these TVs seems inherent design fault (not typical for plasmas). Widely reported across the web. Even cnet thread I started had 3 people returning buzzing sets.
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