Question about Toshiba 42HP83 42 in. HD-Ready Plasma Television

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Replacing the power supply

What does the cost run for replacing the power supply for a 50" Toshiba plasma

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Hi,
Check this Part Store for power supply price and stock.
Regards,

Posted on Sep 05, 2008

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Toshiba 50HP66 Plasma with periodic dim faded picture wash-out. Sometimes lasts from a few seconds to hours.


Contact the authorized service centre for Toshiba. Fault with the main power supply regulator 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. Surf the site with patience. 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.

Oct 25, 2014 | Toshiba 50HP66 50 in. Plasma Television

1 Answer

I have a 2004 toshiba plasma tv 50'..and has some vertical blue lines...can i fix it my self?or how much is the cost to fix it?


Look for Bad Capaciotrs on power supply board they will be vented or swollen on top. 1000uf 16v 2200uf 10v 3300uf 10v Caps $1.00
Mats Electronics 1-800-628-1118
PTS has rebuilt boards 1-800-844-7871
Look on Shopjimmy.com

May 31, 2011 | Toshiba 50HP66 50 in. Plasma Television

1 Answer

Heard a loud cracking sound and the screen to my Toshiba plasma 50" went dark


The popping sounds are bad capacitors arcing at the high voltage input area. You need to change parts on the power supply and repair the high voltage control card located on the X-sustain..... or you can just order a new power supply board and X-sustain here: CLICK

Oct 08, 2010 | Toshiba 50HP66 50 in. Plasma Television

3 Answers

Hi iv got an nec 50 inch plasma tv model number pxt-50xd3 and i was told there is a power supply problem i was wondering if this is common and approximately how much will it cost me to fix?


Hi There I also have a nec 50inch plasma pxt-50xd3 its now not working. I have taking it to the repair shop who told me it was the power supply and it would cost me $550 to fix it.

Aug 30, 2010 | NEC PXT-50XD2 50 in. Plasma TV

5 Answers

LG 50 inch plasma has trouble powering up. have


Power supply board have dead capcitors.Know how to solders?These capacitors usally bulge or pop open,replaced these capacitors will solved this problem.Or tries websites Shopjimmy.com,Ebay.com to buy a Whole reburbish power supply board for the replacement.

Mar 04, 2010 | LG 50PX5D 50 in. Plasma HDTV

1 Answer

AKAI 50'' Plasma PDP5006H Main Power Supply Board p/n LJ4400057A


I looked around for a power supply for you and turn up nothing. I see your problem. Nobody is selling. Best just to fix the board itself.
What I would do is get a Service Manual over the internet. Nodevice.com is selling the Service Manual. Usually cost under $20. 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, schematics, test points, and part number lists. And most cases the new part cost less than $15 by searching on the internet with the part number.
It's possible that it's just a bad capacitor or transformer on the power supply board. Cheaper than replacing the board.
I hope I solve the problem for you.

Jul 20, 2009 | Flat Panel Televisions

2 Answers

Power light on my Toshiba 50 in plasma keeps flashing and tv will not turn on. What can I do?


Normally, this happens when the TV detects a bad circuit board and goes into " Protection Mode ". Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptoms.

You have a few choices:

1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.
2. If by chance the TV is still under warranty, go that route.

3. If you 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.

4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.


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

Jul 15, 2009 | Toshiba 50HP66 50 in. Plasma Television

1 Answer

50 inch plasma blank screen


I bought my Philips Magnavox 50" plasma in June of 2007. In february of 2009, I noticed increasingly longer delays in the video coming on after turning on the power and then the audio began to delay coming on. After a few weeks of this problem the audio and video then stopped coming on at all. However, there was power going to the unit because the green power light was working. I noticed over 50 other consumers on this website had the same problem. WITH THE HELP OF OTHERS ON THIS WEBSITE, I HAVE FIXED THE PROBLEM FOR $40. YES, FOR LESS THAN $100.00 I HAVE A WORKING HDTV AGAIN, BUT WITH NO THANKS TO PHILIPS - MAGNAVOX. THEY WERE USELESS. 

HERE IS THE FIX:

1. Unplug your power supply cord.
2. Remove back panel on your HD.
3. Look for capacitors that have a bubbled or slightly raised and rounded top. This indicates the capacitors have overheated or leaked and need to be replaced. The normal look is a flat surface with no raised features at all. (I had two bad capacitors that were side-by-side and identical: 3300uf 10v. Also, they should be located on the power supply board. My power supply board is in the middle of my 50" plasma.) 
4. Go to an electronics repair store or Radio Shack and see if they carry your capacitor type and size and replace them yourself if you are comfortable with removing the capacitors and soldering new ones to the power supply board. The capacitors will cost you $2.00 each or less. 
5. I was not comfortable replacing the capacitors myself so I removed the power supply board by removing the screws and unplugging several wire connections. This was not difficult at all. I then brought the power supply board to a local electronics shop that did repairs on HDTVs and simply asked them to remove the bad capacitors and solder two new capacitors onto the power supply board. They did it for $40, which included cost for the 2 new capacitors, while I waited and it only took about 10 minutes.
6. I replaced the power supply board and back panel of TV and it worked!!!

Some people on this sight suggested replacing the capacitors with some that have higher temperature ratings. Based on that advice, I wanted to replace my two that were bad (3300uf 10v) with two rated at 4700uf 35v, but my electronics guy suggested against it. Instead, I replaced mine with 3300uf 50v, with the only difference from the original parts being the higher voltage (50v instead of 10v). I figure if the problem occurs again, I now know I can get it fixed for less than $50.00. Philips - Magnavox should be ashamed for such poor customer service and not telling people about this simple fix. When I called their customer service support number I was simply directed to a repair place --over two hours away!!! 

Jan 22, 2009 | Philips 50PFP5332D 50 in. Plasma...

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hi all,
this problem lis the power supply board. be aware that pioneer pdp-502mxe has got 3 versions and all 3 power supply boards are different so before ordering a new or reconditioned one check the part number on the power board itself.
pioneer is not replacing the boards anymore.
check on ebay.co.uk
i did sold so many parts from this model.
thanks

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3 Answers

VIZIO 50" PLASMA


Wow. This is more comon than I thought. My 50" Vizio plasma just went out as will after a loud pop noise. Power button is still lit. Sound continue to come through but no picture. I will dig into it and see if I can find a appropriate solution.

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