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Th-50pe8u tv only shows the top 1/3 of the screen. When the menu is on it shows a small window in the upper left corner. what board could this be? thanks

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May have 1 or more buffer PCBs out, possibly X or Y sustain PCB. you can sometimes tell by doing a visual check of the PCBs looking for burnt/overheated parts.

I was unable to locate these part numbers through other sources, so you would have to check with Panasonic or try your own more intensive on line search.

Posted on May 08, 2014

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Posted on Jan 02, 2017

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SOURCE: 26PF5521D wont show menu after reseting factory defaults

Switch the TV to analogue mode (if possible)

Press and hold the "MENU" button on the side of the TV. The settings menu should appear. Continue to hold the menu button until this menu disappears. (If you let go before the menu disappears, start again)

The TV should now go blank for up to 2 minutes, and then revert to factory settings and intitial installation screen.

Procede as per original installation.

Posted on Feb 16, 2008

  • 2 Answers

SOURCE: built in tv guide channel

It's possible there is a flaw with your TV but more likely the listing information is being blocked. Many cable companies do this, likely another reason to force you into buy/leasing their equipment. This should not be a problem with OTA.

Posted on Aug 20, 2008

stradeteox
  • 88 Answers

SOURCE: tv guide on our LG tv

If, when selecting the guide, the entire screen is black (except for the preview in the corner), then the digital main board has gone bad and will need replaced.

Hope this helps, please rate my solution.

Posted on Jan 11, 2009

welcomejee
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SOURCE: Sony Bravia 40inch LCD Digital TV

Hi,
Its very easy, pick TV original remote and press " i " (info) button on remote and on-screen display will disappear.
Have a great day.

Posted on Apr 03, 2009

  • 1 Answer

SOURCE: Small black box in upper left corner of Sony TV - need to remove

I had a similar problem on my Toshiba Regza but trying my fix couldn't hurt. I use a satellite dish for TV (if you do the same this might work)... I turned off my receiver, took the programming card out, cleaned it with my shirt (especially the part that looks like a computer chip), put it back in the receiver, turned it back on and when everything reinitialized the black rectangle was gone.

Hope this helps.

Posted on Apr 13, 2010

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Panasonic TH50PE8U


Panasonic Product Support - TH-50PX80U

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PanasonicOwner's Manuals. Owner's Manuals and Documentation. Operating Instructions Manual- TH-50PX80. Warranty. Warranty information. Warranty - TV Plasma ...

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Hope this helps, please rate my solution.

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