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

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LG 42PX10 Plasma

Hi,
I have a 42" LG Plasma. Last week it started having some pink bars at the top and bottom of the screen. The picture has also gone a little snowy. See below. Any help would be appreciated.
Thanks

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I just fixed my plasma with same looking problem. Mine is a 42PX11. Cost me $320.00 in parts from Fishwick Electonics. Replaced three circuit boards, crossed my fingers and turned it on and am happy to report it has been working fine since for about 6 months now.

Posted on Aug 18, 2008

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I have sound, but screen flickers and cant get picture, it sometimes shows a picture for a min then goes again, and off and on we get a red bar down left side


What you most likely need is this:
http://cgi.ebay.com/NEW-LG-Y-SUSTAIN-SUS-BOARD-RU-42PX10-RU-42PX10C-PLASMA-/400195756638?pt=LH_DefaultDomain_0&hash=item5d2d86a25e

There's a minor chance it may be something else, but with the sporadic problem appeareance it would be impossible to diagnose remotely.

This is the most likely reason for similar problems, but, I repeat, no guarantees.

I am not anyhow affiliated with whoever is selling this. You may be able to find better deals elsewhere.

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I have a lg rp42px11h I fix the vert lines now it flashe every 5 min after is on


You most likely have a problem with the voltage protection circuitry, the screen starts up, the crowbar is somehow activated, and it shuts it down, You need a service manual. Below, below that is a user manual, they have invaluable information, The service manual has troubleshooting and repair info found nowhere else.
http://74.125.155.132/search?q=cache:DmdPzTp_CKIJ:www.shema.ru/0_s/tv_1/goldstar_lg/RT_42PX20_Chassis_RF_043B_Service_manual.pdf+LG+RU-42PX10+service+manual&cd=37&hl=en&ct=clnk&gl=nz



http://www.retrevo.com/support/LG-RU-42PX10-TVs-manual/id/14714ci361/t/2/

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it is problem high voltage unite problem (EHT) change it then solve your problem

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x and y drivers on the screen ,or shorted power supply

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unplug everything and replug it in,including power

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If your screen has cracks running inside the display then you will need a replacement screen. The Plasma screen is the most expensive part and would cost almost the price a new TV as there would also be a labour cost to add on.

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if you can still see the picture its most likely the control board that's going bad, you will still need a tech out to fix the issue.

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Open the back cover and check the fuses on Y Sus Board and X Sus Board. If you can find a blown fuse, just replace that board and your problem will be fixed.

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1 Answer

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Depending on the location, it could be the Logic Main Board, or a buffer board

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