Question about LG 42PC3D 42 in. Plasma Television

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I have a LG 42pc3d-ud i can get green (power light) but know picture on tv (like power is off and have humming sound comming from back

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From your description it sounds like your TV it's actually on you just can't see a picture. That is usually caused by your Zustain boards. The zustain boards are located on the left and teh right side of the TV. You can check the fuses to see if one of them is blown or you can leave it on and see if one of them does not heat up. You would have to replace the board. You can find part at www.interliquidparts.com

Posted on Jun 06, 2011

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Posted on Jan 02, 2017

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POLARIOD FLM-3232 AND LG 42PC3D-UD VIDEO PROBLEM.


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42 Inch Plasma 42PC3D-UD


Option 1
If you or your husband have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20. And most cases the new part cost less than $15.

Option 2
http://www.shopjimmy.com/catalogsearch/result/?q=42PC3D-UD
This link sells repacement boards for your TV. If you know which ones the tech said are bad, you can order them and replace the board yourself.


Option 3
Pay $475.00 to get it fixed. :(

I hope I shed some light on the subject for you.

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the more i think about it, replace your power supply first. they have been known to cause this problem you are having

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