Needhelp: Plasma buzzing (Panasonic ST50) - When is it not acceptabel? - Page 8 - AVS Forum
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post #211 of 221 Old 12-05-2013, 10:20 AM
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Originally Posted by Euphonetik View Post

I just got an 60ST60 and the buzz is pretty noticeable from about 11' when there is no dialogue, especially when I am running slides. It is a pretty loud buzz coming from the back of the panel. I am debating having amazon take it back and bring a new one to see if it is a problem with that specific TV or not.

 

I am beginning to regret my purchase of the p50s64. This basically seems like expected behaviour at this point. I am waiting for a tech to come look at the same problem, and am expecting him to say it is normal. What then?

 

How can something that completely compromises enjoyment of watching the TV be expected behaviour? Like, do they not test these things?

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post #212 of 221 Old 12-05-2013, 11:00 AM
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Quote:
Originally Posted by Muskiehunter View Post

I am beginning to regret my purchase of the p50s64. This basically seems like expected behaviour at this point. I am waiting for a tech to come look at the same problem, and am expecting him to say it is normal. What then?

How can something that completely compromises enjoyment of watching the TV be expected behaviour? Like, do they not test these things?

Then return it and move on. The good news is its a warehouse only model and they usually (Costco and Sam's to name two) have very generous return policies. While I understand your frustration the testing comment is a little over the top. Can you imagine the time it would take to run display through every possible test to catch all of the issues that we are able to come up with on this forum. Then there is the interpretation of what level of buzz is acceptable and when. What are the basic tests they would run? When a car is manufactured they finish it on the assembly line and run it out to the lot where it is loaded up for delivery, next stop car lot and joe car buyer. On a white only screen, it is going to buzz. During normal viewing conditions it shouldn't be noticeable usually at normal volume levels, but even my mighty Kuro would have an audible buzz during bright scenes. I came to accept it because it did so many other things better than the alternatives. Unfortunately at this time every display tech has it's trade offs and some are just more sensitive to those tradeoffs then others. Good luck.
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post #213 of 221 Old 12-05-2013, 11:18 AM
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Quote:
Originally Posted by Muskiehunter View Post

I am beginning to regret my purchase of the p50s64. This basically seems like expected behaviour at this point. I am waiting for a tech to come look at the same problem, and am expecting him to say it is normal. What then?

How can something that completely compromises enjoyment of watching the TV be expected behaviour? Like, do they not test these things?

Why don't you just have it repaired under warranty? It's usually a simple power supply or board replacement.

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post #214 of 221 Old 12-05-2013, 11:50 AM
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Then return it and move on. The good news is its a warehouse only model and they usually (Costco and Sam's to name two) have very generous return policies. While I understand your frustration the testing comment is a little over the top. Can you imagine the time it would take to run display through every possible test to catch all of the issues that we are able to come up with on this forum. Then there is the interpretation of what level of buzz is acceptable and when. What are the basic tests they would run? When a car is manufactured they finish it on the assembly line and run it out to the lot where it is loaded up for delivery, next stop car lot and joe car buyer. On a white only screen, it is going to buzz. During normal viewing conditions it shouldn't be noticeable usually at normal volume levels, but even my mighty Kuro would have an audible buzz during bright scenes. I came to accept it because it did so many other things better than the alternatives. Unfortunately at this time every display tech has it's trade offs and some are just more sensitive to those tradeoffs then others. Good luck.

 

Your post is well taken. However, I was not referring to having every model individually tested. I know that that is not feasible. This issue affects so many of the models that I was implying that they had not really tested the models as a whole sufficiently. Like, if they make 50,000, they probably pull out 100 at random and test them. Out of those 100, a fair amount would have had this problem (and it would have been noticeable immediately - as soon as I turn on my TV, even if the screen is black, the room has an audible buzz. Going to the main menu makes it a lot louder). My point is, there is no way that they did not notice this, they must just not care. 

 

It is easy to say 'just return it' but I live in a downtown metropolitan area and do not own a vehicle, let alone a vehicle capable of properly transporting a 50" TV. I had to plan in advance to get access to one, and to get i again will be difficult and a big inconvenience. You should not have to return panels in an attempt at a TV lottery. The product QC should be sufficient that it is very rare for an issue like this to present itself, but its not. 

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post #215 of 221 Old 12-05-2013, 11:51 AM
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Why don't you just have it repaired under warranty? It's usually a simple power supply or board replacement.

 

I am waiting for a call from Pansonic to set-up a tech to come visit. I will try to do this. But from what I have read, other people have techs visit and they refuse, saying that the buzz is acceptable. 

 

Any tips or advice going forward for the visit? 

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post #216 of 221 Old 12-05-2013, 12:16 PM
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Quote:
Originally Posted by Muskiehunter View Post

I am waiting for a call from Pansonic to set-up a tech to come visit. I will try to do this. But from what I have read, other people have techs visit and they refuse, saying that the buzz is acceptable. 

Any tips or advice going forward for the visit? 

You just have to stand firm. Panasonic along with other display makers (Vizio, maker of the disposable display) want to make sure you keep buying their equipment, so they will want to figure out a solution. Remember that acceptable means something different to each person and some people are more sensitive to the buzz then others.

There are numerous stats available on repair rates for plasma and the Panasonic brand - they have always been at the top. Moot point after this year smile.gif
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post #217 of 221 Old 12-05-2013, 02:29 PM
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Quote:
Originally Posted by Muskiehunter View Post

I am waiting for a call from Pansonic to set-up a tech to come visit. I will try to do this. But from what I have read, other people have techs visit and they refuse, saying that the buzz is acceptable.  Any tips or advice going forward for the visit? 

Maybe print out my post from page 1 or 2 of this thread where my friend's TV buzzed from 11 feet and the technician fixed it, and if the tech that comes to your house and tries to tell you that it's normal to hear buzzing from several feet show him the post. Maybe print this whole thread biggrin.gif

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post #218 of 221 Old 12-09-2013, 10:12 PM
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Does anyone have the bulletin sent out by Panasonic regarding the incorrect screws? My P50U50 bit the dust a couple weeks ago, 3 months out of warranty of course. I took it to a repair shop and he confirmed the screw issue and found arcing on the SS board where the incorrect screws were installed. He advised that I call Panasonic and bring up the screw issue, but I think they'll just tell me to get bent since I'm out of warranty. I'm hoping if I had a copy of the bulletin that it might help a bit.
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post #219 of 221 Old 12-09-2013, 10:24 PM
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So I have a week old 50S60 that buzzes fairly audibly. Like everybody else here, it was driving me MENTAL all week. (Stupid OCD bull.)

 

If you want to save yourself some time and a trip to your therapist, do what I did. I hung some black velvet curtains behind the TV in the stand. Buzzing is now about 75% less audible when I am sitting on my couch. Looks nicer too. Sound absorption is your best bet here, people. The parts they are now using in these TVs are low end. Really going out with a bang, i'd say! Maybe they are purposely trying to get people to switch to LCD .... hmmmmm.

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post #220 of 221 Old 12-10-2013, 07:32 AM
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Originally Posted by badfnz View Post

Does anyone have the bulletin sent out by Panasonic regarding the incorrect screws? My P50U50 bit the dust a couple weeks ago, 3 months out of warranty of course. I took it to a repair shop and he confirmed the screw issue and found arcing on the SS board where the incorrect screws were installed. He advised that I call Panasonic and bring up the screw issue, but I think they'll just tell me to get bent since I'm out of warranty. I'm hoping if I had a copy of the bulletin that it might help a bit.

Call Panasonic anyway. They are often pretty good about covering known issues like this 1-3 months after the warranty expired. If the repair shop you're dealing with is an Authorized Panasonic Repair Center, ask them to help you push this through with Panasonic.

Failing that, if you bought the TV using a good credit card that automatically adds one year to the manufacturer warranty, they'll pay the bill during year 2.

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post #221 of 221 Old 12-18-2013, 09:02 PM
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Originally Posted by RandyWalters View Post

Call Panasonic anyway. They are often pretty good about covering known issues like this 1-3 months after the warranty expired. If the repair shop you're dealing with is an Authorized Panasonic Repair Center, ask them to help you push this through with Panasonic.

Failing that, if you bought the TV using a good credit card that automatically adds one year to the manufacturer warranty, they'll pay the bill during year 2.

Panasonic finally got back to me with their "settlement". They're offering $159 (which is the cost of the SS board through my repair shop). So basically any other costs are out of my pocket. Not ideal, but it's better than nothing. Considering I'm 4 months out of warranty, they could have told me to eat it.
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