Question about Sony PFM-50C1 50 in. Plasma HDTV

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Vertical Black line on display

My Sony PFM-50C1 plasma display has a 1-inch wide vertical black line that runs from the top of the screen to the middle, about 8-inches from the right edge of the display. The authorized Sony technician who came to look at it referred me to the manufacturer's repair facility in San Diego. Since the warranty has expired, it will cost me $1100 for round trip shipping to the Sony facility plus whatever the repair costs might be. Do I have any good options besides junking the unit?

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  • Rakesh Mital Feb 17, 2007

    Sony has resolved the problem by replacing the unit. This is world class service at its best. I am delighted.

  • Anonymous Jan 14, 2008

    same issue here.... nothing we can do to fix ourselves?

  • venom1000hp Sep 25, 2008

    sorry !!!!!

    i have the same problem but with 2 vertical black lines one from up to the middle an the other is from the down to the middle .

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Rakesh, You have a "dual scan" panel, this is why the line only decends down the screen half-way. This could be a connection problem on the buffer board which causes loss of the drive signal only to that part of the display which it is connected to. The vertical address buffer will be located on the top rear of the display, use great caution in inspecting these cables and connectors. If the integrity of the cable and connector is good the panel itself may be bad due to the drive IC being located on the ribbon cable attached to the panel body. this is better known as COF or, chip-on-film technology. I hope this helps you. Good luck. Joe Weibel CustomElectronics.Org

Posted on Apr 24, 2007

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Rakesh, How did you get Sony to replace the TV? How old was the TV and how far out of warranty was it? Thanks!

Posted on Oct 01, 2011

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I have the same problem

Posted on Sep 25, 2008

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