Official Samsung PNxxF8500 Owners Thread (No Street Price Talk) - Page 458 - AVS Forum | Home Theater Discussions And Reviews
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post #13711 of 13723 Old 09-20-2016, 12:20 PM
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Just reporting back in.

I replaced the power supply board on the Samsung 51" F8500, and it works like a charm. Easy do it yourself project.


I know it's been 2 months since I posted about fixing the unit, but summer is my busy season. Once I got around to it last week, took little time to remove back and board, ship, recieve and install > reinstall back panel.

Ive been using a Panasonic 50" ST60 in it's place. The Samsung is much better during the day and the Panasonic is noticeably better during night. But they are both great units. (Wish I had the 55" ST60)

$75 shipped, for the board. I got one off eBay from a guy in Haymarket, Virginia. Oleg was his name. Fast turnaround.

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post #13712 of 13723 Old 09-20-2016, 12:25 PM
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PS - Im probably gonna put a USB powered computer fan on one of the back vents.

Panasonic AX-200u / Optoma Graywolf 92" / Draper Luma 92"
Samsung 51F8500 Plasma / Panasonic P50ST60 Plasma / Vizio GV42LF LCD / Vizio VP322 Plasma
Sony S790 BD / Panasonic BDT-220 / Roku 2 XS & Roku 2 (Ver. 3)
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post #13713 of 13723 Old 09-20-2016, 07:19 PM
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I wonder if I should get a spare power supply for the future before they disappear.

Panasonic AX-200u / Optoma Graywolf 92" / Draper Luma 92"
Samsung 51F8500 Plasma / Panasonic P50ST60 Plasma / Vizio GV42LF LCD / Vizio VP322 Plasma
Sony S790 BD / Panasonic BDT-220 / Roku 2 XS & Roku 2 (Ver. 3)
Oppo 983H Anchor Bay VRS / Panasonic S97 Faroudja Genesis / Oppo 970HD MediaTek
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post #13714 of 13723 Old 09-21-2016, 08:51 PM
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Quote:
Originally Posted by mithrilG60 View Post
The Main, X-Sustain and Power boards are all available however the Y-Sustain is not. The typical symptom of a y-sustain issue is the TV turns on with a blank screen and blinking LED and eventually sound output. This problem starts intermittently and gets progressively worse as the capacitors that are the root cause continue to degrade.

That doesn't sound like the problem in this case so it might be worth paying to have Samsung send a tech out to troubleshoot the issue and come up with a recommended solution.
So if my set won't come back on immediately after being turned off after its been on for several hours, it the Y-Sustain board? If I let it cool down, it will restart.
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post #13715 of 13723 Old 09-22-2016, 09:45 AM
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So if my set won't come back on immediately after being turned off after its been on for several hours, it the Y-Sustain board? If I let it cool down, it will restart.
Not necessarily, if your TV is not powering on at all to me it suggests an issue with either the power supply board or the main logic board (there are only 4 boards total in this tv). When the issue is with the Y-Sustain the TV still powers on, it just doesn't produce a picture. The following video shows the typical symptoms of a failed Y-Sustain board. Those symptoms tend to initially start of intermittently, often after an accidental power off, and becomes more frequent as the capacitors degrade. Replacing the 3 capacitors as described in the previously linked thread resolves the Y-Sustain issue.

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post #13716 of 13723 Old 09-23-2016, 08:58 AM
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Hello all. My F8500 developed a weird little quirk at some point in the last few days and I'm hoping it's not the beginning of something more serious. The Samsung logo and the four little charm icons or whatever you want to call them suddenly appear when I turn the TV on - but they never have before. A trip into the menu reveals the boot logo setting somehow turned itself on, so I turned it off again. However, the four little icons still appear briefly on screen when it starts up even if the Samsung logo doesn't, and no matter what the boot logo setting switches back to "On" again.

Can anybody shed any insight into what this could mean, how it happened and how I get it to stop?
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post #13717 of 13723 Old 09-23-2016, 10:15 AM
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Can anybody shed any insight into what this could mean, how it happened and how I get it to stop?
This popped up after the most recent firmware. Appears that Samsung is forcing the boot logo since, as you discovered, you can no longer disable it in the menu. You may be able to disable it in the service menu but I don't know the setting, not a big enough issue for me to investigate it.
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post #13718 of 13723 Old 09-23-2016, 11:44 AM
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Quote:
Originally Posted by mithrilG60 View Post
This popped up after the most recent firmware. Appears that Samsung is forcing the boot logo since, as you discovered, you can no longer disable it in the menu. You may be able to disable it in the service menu but I don't know the setting, not a big enough issue for me to investigate it.
Oh. Alright then. That's weird, but if it's not something I did or if something isn't breaking down, I supposed I don't care.
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post #13719 of 13723 Old 09-24-2016, 01:10 AM
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Quote:
Originally Posted by mithrilG60 View Post
This popped up after the most recent firmware. Appears that Samsung is forcing the boot logo since, as you discovered, you can no longer disable it in the menu. You may be able to disable it in the service menu but I don't know the setting, not a big enough issue for me to investigate it.
Same here.
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post #13720 of 13723 Old 09-26-2016, 12:30 AM
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Im so happy to have the Samsung 51" F8500 back. Missed that gorgeous picture!

I think overall I like the F8500 better than the Panasonic 50" ST60.

I might keep an eye out for a 55" VT60..to replace the ST60. The laggy UI is one of the things that bugs me. The improved input lag would be appreciated as well. Plus the improved AR filter.

Is the VT60 equivalent of the F8500 AR Filter, does it have the louvre filter as well? Or is that only the ZT60 that has that. Thanks

Panasonic AX-200u / Optoma Graywolf 92" / Draper Luma 92"
Samsung 51F8500 Plasma / Panasonic P50ST60 Plasma / Vizio GV42LF LCD / Vizio VP322 Plasma
Sony S790 BD / Panasonic BDT-220 / Roku 2 XS & Roku 2 (Ver. 3)
Oppo 983H Anchor Bay VRS / Panasonic S97 Faroudja Genesis / Oppo 970HD MediaTek
Aiwa MX100 Multi-region VCR / JVC S7600 S-VHS
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post #13721 of 13723 Old 09-26-2016, 04:47 AM
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Im so happy to have the Samsung 51" F8500 back. Missed that gorgeous picture!

...snip...
Glad you got your F8500 working again.

As good as these TVs look when well calibrated, its worth holding off upgrading until you don't have any other choice.
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post #13722 of 13723 Old 09-26-2016, 04:00 PM
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Glad you got your F8500 working again.

As good as these TVs look when well calibrated, its worth holding off upgrading until you don't have any other choice.
I have a 2005 50PX50U a 2007 PRO-150FD and a 64F8500 all going strong... knock on wood/plastic/wood... the last thing I need is another HD (or UHD) TV to watch cable TV (although I do have Verizon FiOS) with or the latest Hollywood bomb on BD disc from Redbox.
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post #13723 of 13723 Old Today, 03:38 AM
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Hi all! Been a happy owner of a 60" F8500 for the last two years. I'm curious if there is any way to enable 24p over non-HDMI sources. I stream most of my content through the Plex app and most of my content is in 24p, however, it doesn't play as 24p since I am streaming it.

My girlfriend's TV (a newer Vizio) is able to play 24p regardless of the source and makes me pretty jealous!

Is 24p over non-HDMI sources still a no-go on this wonderful TV?
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