Question about LG RU-42PX10 42 in. HD-Ready Plasma Television

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The screen on my 4 yr old 42 inch LG plasma keeps

The screen on my 42 inch LG plasma keeps flickering like a strobe light. I have had the cable checked and it isn't that. What is wrong?

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I believe that you are experiencing an intermittent problem with what's called your florescent lamp ballast. The best thing is that it can be repaired/fix. There should be a LG repair shop in your area. Cheaper to bring it in than have a service tech come to your residence.
Should be between $200 to $300 for a repair.
Blessings,
A/V Media Guy

Posted on Nov 22, 2009

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DANG PLASMAS, THE BULBS DO NOT LAST VERY LONG. HONESTLY, SELL IT AND TRY TO UPGRADE TO LCD. AT 4 YRS OLDS, IT'S ALREADY HAD ITS GO. LCD WILL LAST ATLEAST 27000 VIEWING HOURS.

PLASMAS ARE YESTERDAY, NOT WORTH THE REPAIR SINCE LCDS AND LEDS WILL SOON EXCEED 1080P RESOLUTION.

Posted on Dec 14, 2009

  • matts3bay Jan 27, 2011

    Plasmas dont have a "bulb" lol only LCD's have "backlights" you know nothing about TV's

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there are 2 types of flicker, one is the lamps that drive the display and the second is the sync signal of the video.
I assume the video sync is the flicker you see,
I would try connecting a different way to make sure it is not the tv,
connect using the aux /rca connectors to cable box.
and or connect using the cable direct bypassing the cable box.
I have seen several complaints about the hdmi cable signal being incorrect in some way,
this is the same issue that the svideo connector had in its early adoption signal was too hot or too low.
another thing to watch out for is the low light sensor on the front of tv if it gets an incorrect reading it can flicker the back light though it should be slow in doing so.
some times the flicker you see is not flicker but ac running through the sides of the picture from an ungrounded cable source.
how does it perform if you play a dvd player , with and without the cable box connected.

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if your tv is on warranty take it back to best buy for a replacement.good luck

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G'day mate,
A good HD antenna and proper orientation should do a lot of help. In the USA, a website guide HDTV owners to properly identity a suitable antenna and orientation. Check out:
http://antennaweb.org/
A similar website may be available in Australia.
If not, what you would want to do is to point the HD antenna to your source of Free To Air (FTA) broadcast.
Cheers!

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check all inputs on tv ,also check if menu on tv is working ,make sure lines arent being produce by another source, cable box etcc..If menu and or OSD are affected .Then there is a good chance you have lightning damaged some where in signal section on tv .

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