Question about LG 42PX5D 42 in. Plasma HDTV

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I need the prices of TV (LG) and Model number with pics

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Posted on Jan 02, 2017

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SOURCE: sound but no pic

The Lg you have actually has three boards that can cause the problem you are talking about. The control board, the y-board or the z-board. Usually most technicians will change the y-board and z board together since it is usually a combination of both that cause the problem. The control board by itself can cause the problem. The part #'s are as follows and these are straight from the LG plasma tv training manuals. 1- Control board 6871QCH053G, 2- Y board 6871QYH036D, and the Z-board is
6871QZH041B. The boards can be checked by looking at the voltages and signals but as I said some of those problems for no picture interrelate between boards. Hope this helped. Also with the back cover off those boards are clearly marked. The y board is a small board on the left and the Z board is on the right. The control board is of course in between them. They have tiny white stickers with the part # and assy# on them an also directly on the board itself. Always disconnect the power cord when looking at the inside by taking the back cover off.

Posted on Jan 15, 2009

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What you described here is a issue with the LCD back light or one of the inverter boards going out on you. These boards can be found www.partstore.com or www.shopjimmy.com

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The power LED lite indicator is solid green,but no pic.?This tv is very fixable,take it to the shop,they will order a refurbish circuit board call a T-con board from some wesites source and repalaced it for u.This should cost u half the price of a new tv.If ur power LED lite indicator is blinking and no pic.,they will replaced defective leakages capacitors in the power supply board,or replaced the power board all together.

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You need your Tv product code wich is located in the back of the TV next to the serial number.
you can get one directly from LG ($500-$800) or you can try EBAY, look for a TV non working with a good panel, it doesn´t matter why is not working as long as the panel is in good condition, the price range is wide but you can get one for $150-$250.

And no you can not use any 42" plasma.

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Y sustain board damaged and need to be replaced, try EBAY for a general picture of prices but you will need your product code wich is located in the back of the TV next to serial number.

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1 Answer

Do you know part number for lg 42" casing and where i can purchase from please.cheers Michelle in brisbane Australia


To buy the part you need to know the part number.

There are two ways to know the part number:

1 buy the service manual that has the part list inside.

2 Call the seller , tell them the part you need, your TV model number, and they will tell you part number, price and ship the part.

Give a call to the seller below, I am sure they will be able to sort out your problem:

BigWarehouse LG TV Spare Parts

If you do not want to contact the seller you can buy service manual here:ManualsParadise.com.

I suggest contacting the seller first.


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