Question about LG 42PX5D 42 in. Plasma HDTV

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Repair I recently paid a repair technician $700 to replace a power supply module on my LG 42-inch HDTV Plasma television. Please advise whether this price was exorbitant or within reason. Also, my tv and cable remote controls will not turn on the televison. Please advise what the problem(s) might be.

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Re: Repair

My plasma computer monitor goes to static after it is on for a while. Can this be fixed?

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Re: Repair

A bit on the high side, if that's all that was done. Was there some cause for the failure that was corrected while in the shop? This could account for the higher charges....accordianman

Posted on Nov 26, 2007

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My tv image goes off while watching tv,I do have audio but no image.

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Lg plasma tv 42 inch. after on sound off withen 3 mints and the picture is abnormal and the remote is not working

Main board fault. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts.

Jul 27, 2014 | LG 42PX5D 42 in. Plasma HDTV

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Have no picture or sound on aoc hdtv aoc l42h961?

Is the power cord plugged in all the way? Try a different power cord if you see no indication of power. If that doesn't fix it, you might have a bad power supply. Electrolytic capacitors in the power supply are a common failure component and it might be cheaper to repair than to replace. I am a repair technician and was able to repair my two AOC televisions for less than $3 by replacing 4 electrolytic capacitors. You will need to pay a technician for parts and labor.

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I have a LG 42 inch plasma that turned off and doesnt want to turn back on. im thinking is the sensor is there anyone that can help out with this problem?

If you can turn it on with the button on the unit itself then it may be the IR sensor, but if you can't turn it on then it is very unlikely the sensor.

The power supply board of the 42PG20-UA is a known source of exactly this problem, although definitely not the only one that could possibly cause it.

Below is a link for a repair of the board, but the listing also contains a link to an article on how to test the power supply board alone, which is pretty useful before spending time and money sending it for repair. If anything you can rule one board out:

Nov 17, 2012 | LG 42PG20 42 in. Plasma HDTV

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42 inch lg plasma pops and goes off


Oct 05, 2011 | LG 42LC2D 42 in. LCD HDTV

1 Answer

I have a 42" lg

It would seem as though the power supply. If the television is still under warranty I would contact LG to arrange for a servicing of the unit.
This is the website for LG's warranty support. Just follow the instructions on the page.

If your unit is not under warranty then you either must have a qualified LG technician come out to service the unit at your own expense or attempt to repair yourself which I would not recommend.

Jul 20, 2011 | LG 42PG20 42 in. Plasma HDTV

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42PG20 42 in. HDTV Plasma TV: i have an lg plasma tv - 42pg20 when i turn o...

There are several known issues that can cause that.

The top candidate is the main board, the next is the Y-Main board.

Here's a link for repairing the power supply board of LG 42PG20, which also contains a link to how to test your own board to see if it is good or not:

Hope this helps!

May 17, 2010 | LG 42PG20 42 in. Plasma HDTV

1 Answer

Power Supply

bad power supply take it to a repair center cost about 30-60

Aug 31, 2008 | Dell W4201C 42 in. Plasma HDTV

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Does this make sense?

Hey graceylou,

Unfortunately, the estimate provided by the repair technician may be correct. While screens can generally be replaced, they often prove to be one the most expensive components of any LCD or plasma TV.

If you are in doubt of the prices quoted to you however, I would strongly suggest contacting LG directly for more information. Many manufacturers are able to provide ballpark figures for replacement parts, especially those that are the most prone to damage or susceptible to hardware failure. Remember that labor charges may not be included in any estimate provided to you by LG, so you may wish to confirm with your repair tech if these charges were included in the $1,200.00 you were initially quoted.

Hope this helps you out.

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Jul 24, 2008 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

Sanyo hdtv

Just as when the warranty expired. Ouch! Granting that the power cord is connected properly, the culprit here is a Power Supply Board gone bad. It's not a simple 'blown fuse' case. Repair can go upwards of $400. What I can recommend is to verify Sanyo's warranty terms. If it is in fact two years, you can call them (being polite helps) and request for a concession repair. It's like a courtesy one-time freebie repair for you. Build your case from the fact that the unit broke just as the warranty expired. Goodluck!

Jun 19, 2008 | LG 42PX5D 42 in. Plasma HDTV

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