Question about LG 42PG20 42 in. Plasma HDTV

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I have a 42 LG Plasma TV with a broken screen

I have a 42" Plasma TV model 42PC1DA that my grandson broke the screen on.. All the boards were replaced in January under warranty.. I found a 42" LG Plasma tv Model 42PC30 on craigslist that said the screen went black while watching it..

That was the same thing mine did when they replaced the boards..

My question is are the boards the same for these models??

Are all 42" LG's using the same boards??

Thanks

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  • LG Master
  • 1,210 Answers

NO....You must pay attention to all numbers on the back of the TV. Verify these with your tech or contact your LG customer support for the correct board numbers. If the screen was broken I doubt if you can repair this for less than it cost to replace. The screen for this one runs at about $650.00. Good Luck and good advice!

Posted on Oct 01, 2009

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I have a Plasma TV LG model # 42PC1DA. We have perfect sound, but no picture. Tried the contrast, tried unplugging for 30 min. What could be the problem and how much might it cost to fix it?


Did you tried diferent sources from where you get the image? For example you could try to connect a video camera, laptop, dvd or any other thing you could hook it up in your TV and check if there is still no picture.
If the screen is burned it costs the same or a bit less than a new one
Good luck

May 06, 2011 | LG 42PC1DA 42 in. Plasma HDTV

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That's a tough one to answer with constantly changing prices, and different prices in different areas, but in most cases, a plasma screen is more expensive to replace than the entire unit (especially if you move to LCD or another technology).
You'll have to call around your area and see what places quote you for a new TV and what shops will charge to get you a new screen.

Mar 19, 2011 | LG 42PC1DA 42 in. Plasma HDTV

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My 42' LG plasma tv model number 42PC1DA-DU monitor is not show but the sound is working. What should I do?


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Feb 25, 2011 | LG 42PC1DA 42 in. Plasma HDTV

1 Answer

Lg Plasma PC1DA no Picture??????


The provided description is typical for failure of a YSUS board, which is in turn quite typical for LG 42PC1DA and a bunch of other makes and models which all share the same internals.

To find out whether it's the YSUS or the ZSUS board that has gone bad look at the following article:
http://blog.coppelltvrepair.com/2011/02/hp-pl4260n-suddenly-lost-picture-how-to.html

This is for a different make and model, but has the same core modules that 42PC1DA has.

This article also addresses the case when the TV refuses to come on, which is usually caused by a shorted IPM module on a YSUS board which, however, did not lead to burning the fuse as it normally does.
The failure is actually the same, only the symptom is different.

If the failed board is the YSUS (which is the case most of the times, but not always) then you may want to check
http://blog.coppelltvrepair.com/2011/03/how-to-uninstall-6871qyh053b-and.html

Finally, you may consider the following:
http://blog.coppelltvrepair.com/2011/05/should-i-replace-repair-one-or-both.html

Should you need to have one or both boards serviced you can use the following:
http://www.ebay.com/itm/Sustain-6871QYH053B-LG-42PC1DA-REPAIR-EXCHANGE-/110535815308

Good luck!

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It will cost more than the unit is worth. Screen is the most expensive part of the whole set.

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Manufacturer LGE Part Number 3501900014B Description BOARD ASSEMBLY

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Jan 17, 2009 | LG 42PC1DA 42 in. Plasma HDTV

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Plasma TVs run on decent voltage. It is likely the power supply has encountered some damage. This could be a loose solder joint near a transformer, or a shorted out component. It is a lot of detective work. I would try to find a new power board online somewhere. There are people that pick up broken tvs for a living out there if you would rather sell it. Power board is their favorite type of damage and they offer extra money for them that way.

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Plan on fixing or replacing the power board soon. It will keep getting worse until, the end. There is a small bright side. It is the best damage to sell your broken tv "as-is" online. Someone will come pick it for sure.

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