Question about LG DU-50PX10 50 in. Plasma HDTV

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My LG 50PQ30 bottom half of screen goes black, what could be wrong?

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: Bottom half of the screen goes black frequently.

You can start here: http://www.support.philips.com/support/catalog/catalog.jsp;jsessionid=87CE21B6A8264B83B8D00501ADACA8BF.app107-drp1?_dyncharset=UTF-8&country=&categoryid=FLAT_TV_CA_US_CARE&userLanguage=en&navCount=1&groupId=TV_GR_US_CARE&catalogType=&navAction=push&userCountry=us&title=Flat+TV+(plasma%2C+LCD)

Enter the exact Model Numbere in the search text field.

First verify the exact Model Number of your TV. Mine is a 42PF7220A/37.

go to:
http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?ctn=42PF7220A/37&scy=us&slg=en

On this page I found listed under "Software2.gif & drivers" the Firmware Upgrade Software 42PF7220A/37 v1.5.0.0

I downloaded the compressed file and extracted it to a USB Flash Drive2.gif.
After you extract the file you will have 2 files...."autorun.upg" and a "readme.txt".
Print out the readme file the delete it off the USB Flash Drive2.gif
Make sure the USB Flash Drive2.gif has only one file on it (autorun.upg)

Make sure the TV is turned off.
Put the USB Flash Drive in any of the USB ports on the TV.
Turn the TV power on with the Power Button on the righthand side of the TV.
The TV will display an Update screen.
Let the TV run through all 3 processes.
Turn the TV off and remove the USB Flash Drive.
Power the TV back up.
Hopefully the Updates fixed the problem.....

Posted on Sep 29, 2009

  • 2 Answers

SOURCE: I have a 50PQ30 top half of picture goes away.

go back to the store ! you have warranty !

Posted on Jan 29, 2010

jrweighing
  • 183 Answers

SOURCE: LG Tv 50PQ30 the lower half of the screen

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.

Posted on Feb 22, 2010

tvhelp-Dave
  • 178 Answers

SOURCE: bottom half of screen goes black, what could be wrong?

Loose connetion on the Y-buffer board.

Posted on Apr 17, 2010

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