Re: Samsung Plasma -- PN64D7000 Intermittent black line across screen

Thanks for the advice tom...any point in trying to replace the control board like you mentioned in your FAQ?

Re: Samsung Plasma -- PN64D7000 Intermittent black line across screen



Tom -- I also saw this in your guide to fixing/troubleshooting common plasma issues:



My issue seems to fit the rare case you describe. Do you think it really could be a control board issue?...

Re: Samsung Plasma -- PN64D7000 Intermittent black line across screen



hi charles,

I changed the upper Y-buffer...didn't touch the Y sustain. Should I be checking something on y-sus?

Edit: I've also attached a close-up pic. It's hard to capture. The line only shows on consistently solid bright or white screens. If the image were to be darker, the line would light up properly with the rest of the pixels. If a portion of the screen around the line were to become darker, the line would disappear. 2nd pic shows a gradient displayed on screen, which...

Re: Samsung Plasma -- PN64D7000 Intermittent black line across screen

Absolutely...I will upload a photo later today. Thanks for your input.

Re: Samsung Plasma -- PN64D7000 Intermittent black line across screen

Sorry, I also meant to add in my original post that the line is usually very "sparkly." It's not like a solid black line. It looks kind of ghosty and the pixels seem to sort of flicker inside this line. It's definitely lit, but usually dark/grey on brightly colored scenes.

It stretches completely from left to right. A bright uniform skyline image would trigger the defect. If for instance, say, a dark cloud came into the frame on either side, the severity of the line would diminish.

Hi all,

I'm experiencing some issues with my 2.5 year old Samsung Plasma. A few weeks back, a black line appeared about 1/3 way down my screen. The black line is intermittent, it seems to only appear on predominately bright screens or uniform bright screens. If there is any significant portion of dark areas in the given image in the area of the line, the line is almost unnoticeable.

It appears on TV menus and shows up regardless of input. I've read about the possibility of a bad Y-buffer board, so I went ahead and swapped the upper board, but no fix. The only notable...

Re: New Members - please post your introductions here

Hi there -- new here. Have been lurking on this site unregistered for a while and have greatly benefitted from the advice given. Registering now so that I may participate in the discussions and ask a few more questions.