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post #1 of 10 Old 11-03-2014, 09:22 AM - Thread Starter
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Samsung PN60F5300 No Power!

I have a Samsung PN60F5300AFXZA that was delivered on 3/25/14. It worked great up until a thunderstorm on 8/27 when lightning struck a tree in my backyard (it’s in my living room at the front of the house). Power went off and came right back on, everything else anyway. It was on before the power went off and has never turned back on. No standby light, no power, nothing. Nothing else was damaged. Receiver, cable box, cable modem, router, PS3, Wii and blu-ray in the same surge protector are all fine.

I tried leaving it unplugged for a few days and it still didn't work.

At first, I thought that it would be the fuse on the power board that is located close to the power inlet. Nope, it has continuity. I also tried a different cord.

After doing some research on the forum, I thought that the problem would be some capacitors on the power board. There were no visible issues with any of the capacitors or anything else. I went ahead and ordered a replacement power board. I installed it and still nothing.

What should I do next?
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post #2 of 10 Old 11-03-2014, 11:10 AM
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post #3 of 10 Old 11-10-2014, 06:19 PM - Thread Starter
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Thanks! I got the new main board in the mail today and installed it. It works again!!! The original power board was fine.

I saw another post that mentioned a multiplexer on the main board being damaged by lightning which requires the whole board to be replaced. Does that mean the damage to the main board was done by a magnetic field, EMP or transient static electricity from lightning proximity?
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post #4 of 10 Old 11-10-2014, 07:17 PM
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Congrats on the successful self fix.
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post #5 of 10 Old 04-17-2016, 10:05 AM
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I am having a similar issue as the OP except mine just shut off on its own the other night and wont come back on. I've read about the 8500's having bad power supplies and (or) the Y-board being bad. I still need to pull the back off to see if hopefully it just blew a fuse instead of it being something more costly.
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post #6 of 10 Old 04-25-2016, 12:03 AM
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Quote:
Originally Posted by snyper99 View Post
I am having a similar issue as the OP except mine just shut off on its own the other night and wont come back on. I've read about the 8500's having bad power supplies and (or) the Y-board being bad. I still need to pull the back off to see if hopefully it just blew a fuse instead of it being something more costly.
Does the 5300 red LED flash any troubleshooting codes like other plasma TVs did years ago (Philips, Panasonic) ?
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post #7 of 10 Old 04-29-2016, 01:38 PM
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Does the 5300 red LED flash any troubleshooting codes like other plasma TVs did years ago (Philips, Panasonic) ?
It doesn't do anything at all, no clicks, buzzing or flashing lights. I pulled the back panel off and took my meter to a fuse and it has continuity. I looked at the capacitors and they all seemed to be fine, here are some pictures of the insides. The "fuse" im referring to can be seen in the last picture.
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Last edited by snyper99; 05-01-2016 at 03:22 PM.
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post #8 of 10 Old 06-19-2016, 08:42 AM
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bump
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post #9 of 10 Old 08-08-2016, 09:53 PM
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power out

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Originally Posted by snyper99 View Post
bump
mine just went out too, all these tvs months of each other, warranty just ended, this sucks, is it easy to replace board?

Last edited by swaik2006; 08-08-2016 at 09:55 PM. Reason: clarity
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post #10 of 10 Old 08-08-2016, 11:41 PM
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Spoke to a guy recently who told me that all of today's HDTVs -- including the Samsungs (which he owns) -- have poor-quality Chinese circuitry and parts.He repairs them for a living.

I was surprised to hear this, since I had assumed the quality had improved from 5-10 years ago as early bugs had been worked out. But apparently, cost pressure has led to the use of inferior parts and chips and the like.

Says he sees lots of problems that happen, like the vertical line problem on the Samsung SmartTVs. Happened to a friend's TV recently and he says it is unfixable and "just happens" -- sometimes fixing itself based on temperature/weather.

Last edited by PhilipsPhanatic; 08-08-2016 at 11:44 PM.
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