Question about LG RZ-20LA70 20 in. LCD Television

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No picture, no sound on a LG LCD tv

I have a 42 inch LG TV that powers on but there is no picture and no sound, can you help me?

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  • 636 Answers

If it is hot were you live , That model of t.v doesn't like heat, anything about 35 degrees celsius could cause a problem with the card components.

Posted on Jul 27, 2009

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SOURCE: 42 inch LG Plasma TV - Lost picture

sounds like it may be a software upgrade

Posted on Oct 31, 2007

  • 15 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

Posted on Dec 15, 2007

SOURCE: 42 inch LG Plasma TV - Lost picture

try connecting tv to cable direct also try unplugging both converter and tv for wile like 5 mins plug both back in see if tv and converter sync

Posted on Mar 09, 2008

  • 12 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

Most likely what happened is one of the capacitors went bad. When a capacitors goes bad it produces a popping sound. This could be an easy and cheap fix if you find the bad capacitor or capacitors. The bad capacitor will have a bulging top most likely on the power board but could be anywhere.

Posted on Jul 07, 2009

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