Question about Samsung FPT6374 63 in. Plasma TV

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FP-t6374 Samsung plasma. Half the screen goes black. Usually the top, sometimes the bottom. Only happens in Summer. Is the tuner board overheating? Do I Cool TV? or should I replace

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  • Samsung Master
  • 933 Answers

Sound like a issue with the upper and lower Y buffer boards. It could simply be a connection issue. I'd say the set is worth having it looked at by a professional. A 63" set is worth putting some money into as long as the repairs are no more than 50% of the cost of a new set of similar size.

Posted on Oct 30, 2013

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Posted on Jan 02, 2017

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  • 179 Answers

SOURCE: Samsung 42" Plasma-SPN4235 screen problem

the panel itself has failed

Posted on Dec 01, 2007

  • 2 Answers

SOURCE: Samsung HP-R5052 50 bottom hallf screen turns black

its the lower buffer card.. (y buffer lower board) they cost about $90.. i changed mine myself on my samsung hpr-4262 42 inch plasma.. pretty easy,, took approz 20 minutes.. the card has 3 ribbon cables and 3 other connectors and 1 screw.. removing all the screws out of the back pannel took the most time.. i found the repair manual for my tv on line for $13 (download PDF file) the manual had a trouble shooting section and what board to replace for each problem.. got the manual from here http://store.payloadz.com/ ordered the replacement board from www.partstore.com

good luck

troy

Posted on Sep 24, 2008

roety
  • 585 Answers

SOURCE: 42 inch samsung plasma tv black vertical lines

Hi, Depeending on the thickness of the lines matters. If the lines are Black and about 1-2 inches thick it may be a bad bottom buffer board or a bad panel (screen).
If the lines are thin 1/16 to 1/8 inch it is most likely a bad panel.
You can open up the set and depending on the model, see the thin board/boards running across the bottom with ribbon cables going to the panel. You may be able to attempt reseating the ribbon cables, but be careful as some retainer plugs break very easy.
If the lines are thick black and the reseating doesn't correct it you may be able to buy the coresponding buffer. Unfortunately some bottom buffers are actually part of the panel. If you are not comfortable taking it apart then call a professional but be aware labor charges start around $200 not counting parts, panels start at $600 up to over $1000
hope this helps
Thanks
Eric

Posted on Aug 19, 2009

  • 1 Answer

SOURCE: Fault with Samsung PS42S5H

sounds like the lower y-sus buffer! take off the back and give me the pcb number should start with Lj92

Posted on Aug 30, 2009

toddthetvmd
  • 101 Answers

SOURCE: my plasma, bottom half of the screen is black

Hi, It is your lower Y sus Buffer. Runs about $80
BN96-03362A Y main buffer lower.BN96-03361A Y main buffer upper. Encompasparts.com Also try Shop Jimmy, And Ebay. Sometimes they are lower in price.

Posted on Oct 31, 2009

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Looks like T'Con board fault. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
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All plasma an lcd TV have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times resetting the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken if you decide to tinker with em, the usually have lift locks that release them, but it is very easy to wreck em.

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intermittent loss of picture on either bottom or top half of screen is specific to y buffer boards located on left side of screen going from top to bottom when looking at back of tv. the y lower buffer would be the board to replace to resolve the loss of bottom half of picture. if the top half also is going out intermittently could tied to upper buffer as well but just a note the y main board to right of these buffers drives those two boards so in some cases could also be part of the problem. if only bottom half is affected i would recommend replacing lower buffer only

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1 Answer

Top half of screen goes black


Sounds like your having problems with your Y-main(upper buffer) is getting too hot. The IC's located on this board are really bad about going out a lot. If you take the back cover off your Plasma. U will see that the manufacture of the panel is Samsung and the panel model is probably S42AX-YB01. you should be able to purchase the board. probably will run about $ 150.00.
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