Hi! My Samsung 50 inch plasma recently developed a vertical line on the screen. I have had it for about 3 years or so. It is no longer under warranty. It is a thin line, a little thicker than a line drawn with a pencil. It runs from the top of the screen all the way to the bottom. It is on the left side about four or five inches from the edge of the screen. It changes colors depending on what is on the screen at the time. It ranges from reddish to greenish or black. I have tried switching out inputs, using different cables etc. I have even opened up the back and checked for loose connections and dust. I haven't noticed any burnt, damaged, or broken areas on any of the internals. Nothing I have tried so far has worked. Any thoughts or ideas are appreciated. I currently can't afford a new tv, so if I can figure out how to fix it I am more than happy to try. If you need any additional information just let me know. Thanks in advance for any and all help!
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Re: Samsung PN50C550G1FXZA (Line on screen)
It is likely a bad panel and not fixable. Someone else with more experience than me may have a more favorable opinion. -
Re: Samsung PN50C550G1FXZA (Line on screen)
That is what I was afraid of. I was hoping it would be something cheap and easy.Comment
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Re: Samsung PN50C550G1FXZA (Line on screen)
Thanks for your time.Comment
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Re: Samsung PN50C550G1FXZA (Line on screen)
I have the same problem. I replaced the control logic board and it is still there. Any suggestions? Samsung PN50c430a1dAttached FilesComment
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Re: Samsung PN50C550G1FXZA (Line on screen)
Being that it's a 550 series PDP plasma, these are notoriously known for bad and faulty panels.
But since yours isn't completely black (void ) i would atleast try to reseat the buffer cables and clean them with electrical contact cleaner and see if the line goes away.
Chances are it's a IC driver failure in the ribbon cable that is fused in between the glass and cannot be fixed.
Good luck and report back of your findings.
Also make sure to reseat the cables fully before turning on the panel of you don't it might short and then cause more damage.Comment
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Re: Samsung PN50C550G1FXZA (Line on screen)
Being that it's a 550 series PDP plasma, these are notoriously known for bad and faulty panels.
But since yours isn't completely black (void ) i would atleast try to reseat the buffer cables and clean them with electrical contact cleaner and see if the line goes away.
Chances are it's a IC driver failure in the ribbon cable that is fused in between the glass and cannot be fixed.
Good luck and report back of your findings.
Also make sure to reseat the cables fully before turning on the panel of you don't it might short and then cause more damage.Comment
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Re: Samsung PN50C550G1FXZA (Line on screen)
Thanks Shinju. I did unhook all of the ribbon cables and reset them with no luck. The line comes and goes which leads me to think it is some kind of connection problem.Comment
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Re: Samsung PN50C550G1FXZA (Line on screen)
So, sometimes you can see the proper image and other times the line is in place?Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Samsung PN50C550G1FXZA (Line on screen)
Hi Tom, yes, that is correct.Comment
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Re: Samsung PN50C550G1FXZA (Line on screen)
I wonder if this is a "tab bond" issue, but on a plasma panel. It is possible, but I have never seen one myself.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Samsung PN50C550G1FXZA (Line on screen)
Most of the post on Youtube that refer to the tab bond are for LCD's. This is a plasma and it doesn't look like it has the same frame as the units in the videos. I don't know. I can fiddle with it, turn it off and it goes away. After a while it just comes back.Comment
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Re: Samsung PN50C550G1FXZA (Line on screen)
Are you sure you got all of the cables? Can you snap a photo of the inside in your panel?
If I remember correctly the y-buffer cables are at the bottom and you have to remove the wall mount/stability bars as well as the bottom brackets and maybe a few boards. I think this is the same unit as my samsung badged insignia PDP.Comment
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Re: Samsung PN50C550G1FXZA (Line on screen)
Sorry for the delay. It is tough to get behind this thing.Attached FilesComment
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Re: Samsung PN50C550G1FXZA (Line on screen)
Hi! I am the op. I am not sure which messages in the thread are directed at me and which are directed at johnnyutah99. If you wouldn't mind letting me know I would appreciate it. Thank you! Also if you guys think a picture of my issue would be helpful I will be more than happy to post one.Comment
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HI guys!
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Picked this one up today.
In addition to falling LED diffusers there is a single line here that maybe a deal breaker.
From my reading on these boards it is said that the issue is likely a sign of failed tab drivers, ribbons or tab bonding to the panel.
Wanted to get a 2nd opinion from you guys before I gave up the ghost.
Great looking TV otherwise.
Is there any tricks I can do to try to save this one?
If so, i'll gladly order a set of backlights and save this one from the landfill..
Thanks in advance
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