Question about Panasonic TH-42PX500U 42 in. Plasma Television

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Is it difficult to change the power supply on a plasma tv?

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  • jeansonnecin Aug 03, 2009

    Thank you so much!!!

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No, it is actually very simple. Pretty much all you really need to do is have allready bought a power supply replacement and take the back cover off of your tv. Once you have the back off you will be able to see the power supply. Most power supply's I have ever messed with were only held down by four screws and have a few plug ins into it that you have to remove. Nothing hard. Just make sure that when your doing this that your tv is not plugged in or you may be in for a rude awakening.

Posted on Aug 02, 2009

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SOURCE: HOW TO REPAIR POWER SUPPLY OF PLASMA TV HITACHI 42P MA400E PLASMA

no need to repair it dosent work ask to purchase new

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I would not advise you to buy a non working TV specially when Plasma is moving out and the new technologies with 3D- LED is around bringing the prices down.
Also the cost is not the factor but if there is fault on the mother board then you are stuck and would have wasted money on a junk. So please do not commit UNLESS you can source a power supply unit - SMPS unit - and make sure that it is the ONLY issue. Let the TV work and then after seeing a good picture you can take tbhe risk... but the cost is also important and must be checked out.

Posted on Aug 30, 2011

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1 Answer

Plasma tv shuts off randomly


Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

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"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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1 Answer

I have a Phillips Plasma Tv 42pf532 and suddendly turns off


Check its power supply regulator section. Look for any bulged capacitors. Replace them if any. It will be best to replace the power supply board as card basis, rather than making 'surgery' to it; especially to Plasma TVs. Most of the spare part it have, will be very difficult to get from open electronic spare part market.
Contact the nearest authorised service center for Philips to buy a new board.

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Hello
The power supply board to your tV is faulty. It will be best to repalce the board as card basis, because repair to this board is impossible. the components used in it will be very difficult to get from open electronic spare part market.
2_7_2012_1_36_02_pm.jpgThis is the two views of the power supply to your tV. 2_7_2012_1_36_29_pm.jpg

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I would not advise you to buy a non working TV specially when Plasma is moving out and the new technologies with 3D- LED is around bringing the prices down.
Also the cost is not the factor but if there is fault on the mother board then you are stuck and would have wasted money on a junk. So please do not commit UNLESS you can source a power supply unit - SMPS unit - and make sure that it is the ONLY issue. Let the TV work and then after seeing a good picture you can take tbhe risk... but the cost is also important and must be checked out.

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Posible problem of your tv is the power supply and it is very difficult to fix. You can contact a technician or you can replace the whole power supply. Good day and best regards.

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The tv power supply board have more dead components parts,u just don't have the skills an the know how to trouble shoot find out more dead components parts that all.Try website like Ebay.com to buy a whole refurbish power supply board for the replacement.

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The problem is you have to remove the back (lots of screws) and the board is expensive: Part number has changed and is: 996500042147---it retails for 305 dollars----I would not buy a used or repaired board if I were you--this is the problem with all plasma sets--they only sell boards--the ones for the Philips set are expensive.




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