Question about LG 50PK550 50 HDTV Plasma TV

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When switching from tv to fox my tv displays, hdcp support not being detected from your tv, this disappears and the sound and picture are fine but then without warning the warning comes up again and we lose the picture and are left with a no signal warning on the screen, this can last for hours or sometimes a few seconds and the connection seems to to made again. this happens all the time, ive checked all the connections on the back of the tv, the reciever and the fox box which by the way i got renewed to rule that out. any advice greatly appreciated.

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6ya6ya
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Posted on Jan 02, 2017

  • 5 Answers

SOURCE: rolling picture

If your Television is not warrantied, there should be rca, vga, and dvi connections you can use with your pc and video card. Since I am in usa I have know idea what freeview, skybox, or scart are.

Posted on Dec 15, 2006

  • 1 Answer

SOURCE: lg lcd 37 inch tv loosing sound

i have the same problem and find that if i freeze then unfreeze the screen it works

Posted on Mar 20, 2008

  • 1 Answer

SOURCE: LG 42PX4MVH PLASMA TV - Sound but no picture.

I have the same issue with my LG 42PC3DVA and I narrowed it down to the Y SUS board. After a little research there are a few items that are prone to go. The ceramic fuses (as you found), sometimes the capacitors on the Y SUS, Z SUS, and power supply go along with them You can tell because thy will be bulged at the top instead of flat. I replaced a few of my capacitors - they are only $0.89 each so it was MUCH cheaper than a board.

The other thing that is common on the Y SUS in particular are the FETs (also called MOSFET). They can be replaced if you are good with a soldering gun but they are static sensitive so be grounded. They are also a bit tricky to test so you may want to do some research on how to determine if this is the issue... or you can just replace the whole board.

Posted on Oct 28, 2009

  • 1 Answer

SOURCE: 52LG70 sometimes turns off and on periodically

I had the same problem. I changed the 4-3 setting on the motorola cable box. Turn off your cable box and press menu. My 4-3 setting was set to auto. If you turn it off, you lose the 4-3 aspect on most channels. I changed mine to 480p and so far it seems to be working. Worth a shot.

Posted on Dec 20, 2009

SOURCE: TV has no display -- Need advice on Z Sustain Assembly Board

Send your board for repair / exchange - we service those by truckload :-)

http://www.coppelltvrepair.com .

Posted on Apr 05, 2010

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