Question about LG 42PC1DV 42 in. EDTV-Ready Plasma Television

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LG 42PC1DV. POWERS UP NO PICTURE NO SOUND

Could it be the power supply, ive checked all the ribbons, could it be gas, the set is only a year old.i have electronics expeiriance just about to check for any dry joints, help would be extreemly appricated. Ryan

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  • Ravith88 Feb 28, 2009


    Mike & Ryan


    I got the same problem too. By any chance either of u got the Service manual for LG 42PC1DVEC (Europian model) ? Beacuse i need to Schematic diagrams. 
    Any help is appriciated.


    Rav



  • frankrobins4 Dec 04, 2009

    white specks on screen

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Hi Ryan, You are on the right track. It is the power supply board. Once you replace the power supply board, the unit will back back to brand new. Mike

Posted on Nov 04, 2008

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Lg LCD tv less than 2 yrs old has sound but no picture. What could be the problem? power supply, main board, etc??


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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1 Answer

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that problem in most cases is caused by your mainboard failing Check shopjimmy.com or Andrews Electronics for price and avail.

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1 Answer

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1 Answer

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The 42PC1DV has a freeze screen function. Looks like you may have accidently switched it on .....check your tv manual on how to switch it off.

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1 Answer

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