Question about Philips 42PF7320A 42 in. Plasma HDTV

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Bottom half of screen isblack

Where can I get a buffer board?

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Part distributors for philips are http://www.andrewselectronics.com./ and http://www.vancebaldwin.com/. hope this helps

Posted on Aug 21, 2008

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1 Answer

My screen went black


If the bottom is black it's the lower buffer board and I believe that's the Y buffer board. Should have on ebay fairly inexpensive

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sounds like your bottom buffer board is on its way out .
Will also need to check the y sus board as this some times causes the buffers boards to fail.

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Hitachi 50" hd TV displaying black lines on screen


Sounds like your YBL-Y Buffer lower board is going out. There are 3 boards here. The Y buffer upper which controls the top half of the display, The Y buffer lower controls the bottom half and the Y-SUS main control those two boards. They work in unison. Usually if one goes out you have to replace all. You can also get lucky and just repalce the YBL and all may be well. Now if they are vertical lines up and down the OSD-On screen display, then this is indicitive on dry solder joints on the D, G E, F boards. Hope this helps...

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1 Answer

My 5 years old Plasma TV found half of the screen picture view not very clear.. The half colour seen blur..


Your Buffer boards or the YSUS main are bad. THe YBU-Y Buffer upper controls the top half of display, the YBL-Y Buffer lower controls the bottom half and the YSUS Main controls both those boards. They are located to the Far Left on and opened Set.

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1 Answer

LG Tv 50PQ30 the lower half of the screen intermittely stops working


looking into the back of the tv with the cover removed, there is 2 boards on the far left the run down the back of the screen. These are the Ysus buffer boards.They both plug into a larger board (Ysus). Make sure that the bottom buffer board is pushed into the Ysus properly and that the wired lead connecting the upper buffer board to the lower buffer board is pushed in firmly.If this doesnt solve the problem then you will most probably have a faulty lower buffer board.

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3 Answers

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first try the address board or buffer board.if this
does not repair it,the panel is defective.

Jul 17, 2009 | LG 42PC3D 42 in. Plasma Television

1 Answer

Phillips 42 inch Plasma -Screen Issues!!!


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

Aug 07, 2008 | Philips 42PF7320A 42 in. Plasma HDTV

1 Answer

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When only a half screen is produced, it is usually a upper or lower buffer board, if the top half is blank then it is the upper buffer, and of course if it's the bottom half then it's the bottom buffer board

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