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I have a Samsung Plasma TV model that has a thin horizontal line along the bottom of the screen. I've replaced the Y-Buffer board and the Y Main Board but the line is still there. Please help!! Thank

It's a 50 inch Plasma.

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  • 2 Answers

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Posted on Jan 02, 2017

  • 179 Answers

SOURCE: Samsung 42" Plasma-SPN4235 screen problem

the panel itself has failed

Posted on Dec 01, 2007

  • 41 Answers

SOURCE: thin horizontal line,about 6 inches from bottom,is it fixable?

I am assuming it goes all the way across and is black ?
It sounds like a scan line in one of the chips inside has gone bad or needs to be resoldered. Most likely needs the board replaced by a tech.
Hope this helps
Scott

Posted on Mar 30, 2009

  • 298 Answers

SOURCE: JVC PD-42DX6BJ plasma 42 inch black horizontal lines over the pic

Here's a link to order the original the JVC upper Y-buffer board and lower Y-buffer board for this model from a major parts distributor if needed:


JVC "PD-42DX6" Replacement Part Upper Y - Buffer Board (LJ41-02760A)

JVC "PD-42DX6" Replacement Part Lower Y - Buffer Board (LJ41-02761A)

Based on the symptoms: It is possible that the Y-buffers are faulty, which may require the replacement of the Y-sus board as well. You may want to get a local technician to diagnose the unit and provide a second opinion.

Posted on Apr 01, 2009

  • 231 Answers

SOURCE: Hitachi Plasma very thin bleeding horizontal lines

very possible the YSUS board is going bad .If YSUS is going bad .I would also replace XSUS board since they are same age..Also whenYSUS is replaced make sure you make pot ajdustments as old YSUS and also with XSUS board

Posted on Aug 26, 2009

  • 16 Answers

SOURCE: 2 horizontal blue lines on samsung 50 plasma tv

Possibly could be the Y buffers --if the are next to each other could be a bad connection on a ribbon cable ---you need to call for service

Posted on Feb 06, 2010

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Samsung 60 inch plasma has developed thin vertical lines top to bottom. Changes colors rapidly. Lines are increasing from one to twelve now. Could buffer boards be fault?


Buffer boards could be at fault. Also the connectors to the boards. On more than one occasion I have put a wedge under a buffer board to make a better connection. A good repair man will test the connections as well. Main video board could cause this too.

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Sound like your Y-Sustain board has one foot in the grave. The Y upper buffer and Y lower buffer boards go when the Y Sus Goes too...

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Y-Buffer boards should be checked. You have to check which buffer board should be replaced. It is a semi-skilled work. You have to open the TV. If you wish to get more details about this fault, check this link.http://electronicshelponline.blogspot.com/. It has details about plasma screen faults, along with screen shots. Pull up older posts there. Do not mind about the brand name, because, techniques behind plasma displays are the same, and the difference is with its control circuit, and main system control circuit, which provides many other facilities.

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Hi have a samsung 42 inch plasma, all of a sudden it has a band 20cm wide of dotted lines going across the whole screen, some channels or when playstation in use the band gets wider, does not seem to...


if the band is horizontal your tv has bad y-buffer board. Usually there are 2 buffer boards- top and bottom. if the problem is in the top half of the screen replace the top board, otherwise replace bottom board.
but better to replace both a the same time.

if the tv has a vertical lines from top to bottom it may have bad plasma panel and can be considered as not economical to repair.

Oct 03, 2012 | Samsung SPN4235 42 in. Plasma HDTV

1 Answer

I have a single thin horizontial black line six inches from the bottom of the screen. how can it be fixed.


Hi.

The line is probably in correspondence of the low Y buffer board, located inside the TV and connected to plasma display. In that case the board must be replaced to fix the problem. One of the symptoms of a defective low buffer board is a black line that starts from the bottom of the TV.

Regards.

Ginko

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1 Answer

JVC PD-42DX6BJ plasma 42 inch black horizontal lines over the pic


Here's a link to order the original the JVC upper Y-buffer board and lower Y-buffer board for this model from a major parts distributor if needed:


JVC "PD-42DX6" Replacement Part Upper Y - Buffer Board (LJ41-02760A)

JVC "PD-42DX6" Replacement Part Lower Y - Buffer Board (LJ41-02761A)

Based on the symptoms: It is possible that the Y-buffers are faulty, which may require the replacement of the Y-sus board as well. You may want to get a local technician to diagnose the unit and provide a second opinion.

Apr 01, 2009 | JVC PD-42DX6 42 in. Plasma Television

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My plasma tv has a black bar in the left side goin up and down?


Depending on brand,model etc it could be a bad buffer board-thin board along bottom of set-or bad plasma display panel itself.On some units the buffer bd is not available seperatly and you must replace the plasma panel which will cost much more than the set.

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Samsung HPR4252 with red horizontal lines accross the screen


I just had my HP-R4252 repaired on 12.05.09 with a similar problem. The picture is covered in horizonal, broken lines and the color is predominately red. They lines are grouped together in large bands across the screen.

The tech replaced the Y-Buffer boards (Up) and (Low) in about 20 minutes.

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