Horizontal black lines on Samsung plasma. - AVS Forum
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post #1 of 16 Old 01-10-2013, 11:56 AM - Thread Starter
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Here's my story:

I was browsing Kijiji as usual and I spotted this TV for $50. It was being sold so low because of the lines that appeared on the TV. I quickly gave the guy a call, offered him $40 and he accepted. It's now in my room and I've been using it daily ever since. It's a fantastic TV, but the black lines that appear are very annoying, which is why I have come to you guys.

How would I go about fixing this?

I have already checked the connections in the back and they seem to be fine. Could it be one of the boards that is causing this problem? If so, which one?

Any help here is GREATLY appreciated!


TV model number: PN50C540G3FXZC





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post #2 of 16 Old 01-10-2013, 12:03 PM
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You can't
I have this issue. It is common with Samsungs.
I have called samsung. The panel is bad and needs to be replaced.
Costs about $1000.
Some think the y buffer is bad. Others think the y sys is bad.
The boards are $100 a piece.
But the repair guys I talked to said.. bad panel.
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post #3 of 16 Old 01-10-2013, 12:07 PM - Thread Starter
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I see. Do you think I should take the risk and try to replace the boards or should I just leave the TV as it is? Ebay sells the boards for pretty cheap.

After a while, you forget that the lines are even there.
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post #4 of 16 Old 01-10-2013, 01:41 PM
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Go for it, especially if the boards have a return policy.

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post #5 of 16 Old 01-10-2013, 03:01 PM - Thread Starter
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Yeah, I'll think I'll do that.

Thanks for the advice guys!
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post #6 of 16 Old 01-10-2013, 04:33 PM
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I have trouble believing either board is bad since you get picture, but I am not a repair guy.
You can take the tv apart and re-seat all the connections first. I have heard the ribbon cables on the left side of the tv (when facing the back) can get loose.
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post #7 of 16 Old 01-11-2013, 08:46 AM - Thread Starter
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I have already done that and the problem still persists. frown.gif

It's either a bad panel or one of the boards that is causing this problem. I guess we'll just have to wait and see.
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post #8 of 16 Old 01-11-2013, 09:09 AM
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Okay. Good luck.
This Google Search May offer you more insight.
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post #9 of 16 Old 01-11-2013, 09:12 AM
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Quote:
Originally Posted by Gnashide View Post

I see. Do you think I should take the risk and try to replace the boards or should I just leave the TV as it is? Ebay sells the boards for pretty cheap.

If the boards are cheap, it might be worth a shot. You can always resell them on eBay if they do not solve the problem.

This document seems to support that the panel is bad, but on most of the samples, the lines are just one, not multiple. However, figures 49-52 seem to replicate what you have.

Please let us know your final result!

That which may be known of God is evident within man, for God has shown it to them, so that they are without excuse. (Romans 1:19-20)
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post #10 of 16 Old 01-11-2013, 09:23 AM
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Figure 38 is what I have.. that one black line.
I didn't know there were so many ways a plasma panel could go bad.
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post #11 of 16 Old 01-11-2013, 09:44 AM
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Here is some info about the buffers. Based on it I don't think your Y-buffers are bad

http://www.ehow.com/info_12226500_symptoms-bad-ybuffer.html
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post #12 of 16 Old 01-11-2013, 10:19 AM - Thread Starter
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Quote:
Originally Posted by Zarich View Post

Here is some info about the buffers. Based on it I don't think your Y-buffers are bad

http://www.ehow.com/info_12226500_symptoms-bad-ybuffer.html

I was just doing some research and I found this:

http://www.justanswer.com/tv-repair/6dlpt-samsung-plasma-tv-thin-black-line-goes.html

Same TV, and the same problem.

The technician on that site recommends replacing the buffer, so I think I'm going to try that first.
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post #13 of 16 Old 01-11-2013, 10:42 AM
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Let me know how it goes. I may try that before I pony up for a new tv. I was hoping to hold out until OLED was affordable.
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post #14 of 16 Old 02-01-2014, 07:57 AM
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Quote:
Originally Posted by Gnashide View Post

Here's my story:

I was browsing Kijiji as usual and I spotted this TV for $50. It was being sold so low because of the lines that appeared on the TV. I quickly gave the guy a call, offered him $40 and he accepted. It's now in my room and I've been using it daily ever since. It's a fantastic TV, but the black lines that appear are very annoying, which is why I have come to you guys.

How would I go about fixing this?

I have already checked the connections in the back and they seem to be fine. Could it be one of the boards that is causing this problem? If so, which one?

Any help here is GREATLY appreciated!


TV model number: PN50C540G3FXZC





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post #15 of 16 Old 02-01-2014, 08:02 AM
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I have the exact black line you show. I had a tv repair person look at it for $115.00. He said it's the board on the left side or the panel. He had checked all conections and stil no change. The shop called to tell me they would order the board and install for $380.00. If no change I would be charged a restocking fee only. A new panel is obviously out of the question. I can put up with the line until I find a new set.
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post #16 of 16 Old 05-03-2014, 02:17 PM
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Do more research on this issue, there is a big group of Samsung Plasmas with this issue, and the issue gets worse over time (new lines will keep appearing):
These are from a June 2010 PN50C7000YFXZA



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