Official Panasonic 2011 TC-PxxST30 Thread [No Price Talk] - Page 282 - AVS Forum
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post #8431 of 8440 Old 03-12-2014, 10:42 AM
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Quote:
Originally Posted by zhazell View Post

Hey All,

Thanks to a few of you who posted about the buzzing noise coming from your TV. Mine started doing that about 6 months ago and really started getting extremely annoying sitting 10+ feet away from the panel these past couple months. I decided to research to see what was going on as I feared either the power supply or a board was going out on it. After some googling around for a bit I found the YouTube video that most of you found that explained the problem and also mentioned the part number for the replacement OEM screws with lock washers.

Who knew that it was just a screw! I

My TV is the TC-P60ST30UA

I hope this helps some of you, cuz it sure helped me! My TV is absolutely quiet now, even if I put my ear up to the panel....a very very slight hum. smile.gif

Thanks for posting, my st30 has been very loud lately. Ordered the screw set from your link.
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post #8432 of 8440 Old 03-15-2014, 06:45 AM
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Has anyone measured the new screw dimensions? I'd rather just go down to HD than wait for the new ones to be shipped in.

If they're the same as the old ones except with a washer, that would be good to know, too.
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post #8433 of 8440 Old 03-15-2014, 08:54 PM
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Quote:
Originally Posted by zhazell View Post

Hey All,

Thanks to a few of you who posted about the buzzing noise coming from your TV. Mine started doing that about 6 months ago and really started getting extremely annoying sitting 10+ feet away from the panel these past couple months. I decided to research to see what was going on as I feared either the power supply or a board was going out on it. After some googling around for a bit I found the YouTube video that most of you found that explained the problem and also mentioned the part number for the replacement OEM screws with lock washers.

Who knew that it was just a screw! I

My TV is the TC-P60ST30UA

OEM Screws - Part # XYN3 + F6FJ-18PK Ebay This is the only place I could find them... came as expected. Fit perfectly on the boards! Nice and snug! Replaced one screw at a time so the board wouldn't move out of place. I was truly amazing that I didn't even have to sweat removing the old screws.... 1 packet of screws only had enough screws for me to replace the Top right board and middle board with a few spares for the left board...see below. But it was mostly the top right board that was the loosest (even a word?).

Youtube Video

[ ... ]

I hope this helps some of you, cuz it sure helped me! My TV is absolutely quiet now, even if I put my ear up to the panel....a very very slight hum. smile.gif

Thanks so much for this helpful post!!

I guess it's my turn. My 60ST30 just started buzzing in the last week or so. I ordered the replacement screws from your ebay link. I did a quick google of the part number, and found them at several other places, but I think ebay is still the cheapest. Thanks again.
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post #8434 of 8440 Old 03-15-2014, 08:55 PM
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Quote:
Originally Posted by a5ehren View Post

Has anyone measured the new screw dimensions? I'd rather just go down to HD than wait for the new ones to be shipped in.

If they're the same as the old ones except with a washer, that would be good to know, too.


Check out the youtube video that zhazell mentioned in his post. It shows the original and replacement screws. They are not the same. You might be able to get away with just adding lock washers to the original screws, as long a the originals are long enough. Since the OEM screws are only $4 delivered, I decided to go that route.
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post #8435 of 8440 Old 04-06-2014, 02:43 PM
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I recently obtained a TC-P50ST30 from a friend for next to nothing. They were not so tech savvy though so they never noticed the fluctuating brightness issue. After properly calibrating and following the recommended settings from this forum the fluctuating brightness is very noticeable to me. Since the TV was bought in 2011 and the warranty is expired, what options do I have? Will Panasonic send a technician for a fee?
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post #8436 of 8440 Old 04-28-2014, 11:08 AM
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I have noticed some buzzing but I have owned a few Panasonic Plasmas so I am used it. I've had my ST30 for over 2 years now and have not calibrated it because every review I have read said leave it in Cinema and my WOW disc confirmed this.I tried D-nices settings a few months back and it looked off so I decided to pull the trigger on Spears and Munsil and I end up with virtually the same settings and the buzzing became louder. I've been trying to calibrate in Custom and have come to the conclusion that Custom is useless. Last night I reset my display and decided to calibrate in Cinema with both Spears and Wow and was very surprised at the outcome. I should also mention that I calibrated for a completely dark room because I just purchased a house and my 55ST30 will go in my dedicated theatre in the basement. When I adjusted Contrast below 100 nothing happened. I mean nothing. The brightness did not change and all the bars visible after 245 remained not visible. Once I hit bellow 60 the bars started to appear and the screen started to dim. I ended up at these settings:
Contrast 44
Brightness 56
Colour 49
Tint 0
Sharpness 25
The results are unreal. I have had owned numerous LCD's, CRT's, Plasmas, rear projection tv, front projectors and none have even come close to this tv. Invest part is the buzzing is all but gone.

I was unsure about the settings thinking 44 is incredibly low. I could leave Contrast at 100 and clip whites above 245 but I want my displays as accurate as possible. Flesh tones now look like they should, colours beautiful, blacks are deeper with lots of shadow detail. All in all these settings give my display a truly cinematic experience and will keep my ST30 for years to come.
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post #8437 of 8440 Old 04-29-2014, 05:11 AM
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Finally did the screw replacement procedure on my st30 over the weekend. Buzzing noise is gone, thanks everyone for the information!
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post #8438 of 8440 Old 06-03-2014, 01:10 PM
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Hi all, new to the site and I have a question I was hoping to get some help with.

 

I know this is the thread for the TC-PxxST30 owners, but I own a TC-P42S30 from 2011 and I'm having some issues.  I purchased the unit new in January of 2012 and it's been great.  A few weeks ago, the TV stopped displaying any audio/video from my HDMI inputs.  I was using Apple TV and performed the resolution scan and all of a sudden the image came back, but only at 480p.  Every time I tried to change it to anything higher than this SD quality, the picture disappeared and the TV said there was no input.  When I tried my Blu Ray player, the device's menu showed up on the screen (since it's not in HD), but then the picture disappeared as soon as I put a disc in the player.  So, it seems the HDMI inputs on the unit are only displaying SD resolutions, BUT I also have an antenna hooked up to receive OTA digital channels and those are displaying just fine in HD with audio.  

 

Is this simply an issue with the A-board and the HDMI inputs, or does it go farther than that?  I could easily replace the A-board if that is the case, and I really don't want to have to get rid of this TV.

 

Thanks for your help!

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post #8439 of 8440 Old 06-04-2014, 10:09 AM
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Quote:
Originally Posted by zhazell View Post

Hey All,

Thanks to a few of you who posted about the buzzing noise coming from your TV. Mine started doing that about 6 months ago and really started getting extremely annoying sitting 10+ feet away from the panel these past couple months. I decided to research to see what was going on as I feared either the power supply or a board was going out on it. After some googling around for a bit I found the YouTube video that most of you found that explained the problem and also mentioned the part number for the replacement OEM screws with lock washers.

Who knew that it was just a screw! I

My TV is the TC-P60ST30UA

OEM Screws - Part # XYN3 + F6FJ-18PK Ebay This is the only place I could find them... came as expected. Fit perfectly on the boards! Nice and snug! Replaced one screw at a time so the board wouldn't move out of place. I was truly amazing that I didn't even have to sweat removing the old screws.... 1 packet of screws only had enough screws for me to replace the Top right board and middle board with a few spares for the left board...see below. But it was mostly the top right board that was the loosest (even a word?).

Youtube Video

Check out the pics below...
I hope this helps some of you, cuz it sure helped me! My TV is absolutely quiet now, even if I put my ear up to the panel....a very very slight hum. smile.gif

Thanks! I'm going to try this on my 40ST30
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post #8440 of 8440 Old 06-04-2014, 10:11 AM
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Quote:
Originally Posted by jeffcos723 View Post

Hi all, new to the site and I have a question I was hoping to get some help with.

I know this is the thread for the TC-PxxST30 owners, but I own a TC-P42S30 from 2011 and I'm having some issues.  I purchased the unit new in January of 2012 and it's been great.  A few weeks ago, the TV stopped displaying any audio/video from my HDMI inputs.  I was using Apple TV and performed the resolution scan and all of a sudden the image came back, but only at 480p.  Every time I tried to change it to anything higher than this SD quality, the picture disappeared and the TV said there was no input.  When I tried my Blu Ray player, the device's menu showed up on the screen (since it's not in HD), but then the picture disappeared as soon as I put a disc in the player.  So, it seems the HDMI inputs on the unit are only displaying SD resolutions, BUT I also have an antenna hooked up to receive OTA digital channels and those are displaying just fine in HD with audio.  

Is this simply an issue with the A-board and the HDMI inputs, or does it go farther than that?  I could easily replace the A-board if that is the case, and I really don't want to have to get rid of this TV.

Thanks for your help!

My HDMI 3 input on the side has stopped working. Very rarely if I push a cable a certain way it'll connect, but then disconnect again. I'm to the point of having to buy a remote splitter in order to play both game systems without have to swap plugs every time. It's really annoying.

Not sure what to do here. It's obviously way out of warranty.
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Panasonic Viera Tc P60st30 60 Inch 1080p 600 Hz 3d Plasma Hdtv , Panasonic Viera Tc P50st30 50 Inch 1080p 3d Plasma Hdtv
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