Question about Sony FWD50PX2/S 50 in. Plasma Television

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Sony FWD-50PX2 won't turn on

I have a Sony FWD-50PX2 that isn't working and I am trying to fix. When its plugged in the green LED on the front lights up. Then a click is heard on the G board, two green LEDs light up on the CTRL board, first D15 then D18 (D16 and D17 never come on). A "whirring" sound is heard on the Y SUS board and a rapid chirping sound from the X/Z SUS board. Then the D1 green LED lights up on the CTRL board. This is followed by the D2 green LED briefly flashing on the CTRL board followed by another click on the G board. The process then repeats itself another 4 or 5 times before it stops completely and the LED on the front of the tv turns and stays red. Please help. Trying to avoid taking it into the shop for lack of funds. Thanks.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: Sony FWD-42PV1 -

I diagnosed the same problem on my FWD-42pv1 as a problem on the Y-SUS board. The fuse on that board was blown, and the board itself was bad (replacing the fuse was not enough to fix it). The symptoms were exactly the same - the LED cycling red/green, and then finally stuck at red.

With a new Y-SUS board, the TV has been working fine for a couple months.

Posted on Apr 24, 2008

  • 2 Answers

SOURCE: Tv cuts off and green light flashes

If your set was manufactured around July 2005, you may need a firmware upgrade to solve this issue. On the Sony website you can enter your model # and serial # to see if you TV is affected. If so, it is easy to have done and may be free from Sony. It sounds like the issue they described in the writeup on the required formware update. I had mine done within few months of when i bought it (purchased in Dec 2005) and it has been working flawlessly since.

Good luck!

Donnieboy999

Posted on Oct 21, 2008

  • 115 Answers

SOURCE: no display r sound

I can tell you exactly which 3 dollar part to replace . But i put my time into my education and if i just tell you for free my kids will go hungry.

Posted on Oct 05, 2009

  • 1 Answer

SOURCE: Sony Plasma TV.

I have the same problem. since I have 3 of these TV's, I switched boards around, and I came to the conclution that is the power board. I will try to repair it, and I'll let you know the component that is bad. Gaston

Posted on Oct 31, 2009

  • 608 Answers

SOURCE: How to fix a fan

had a very similar situation with my Phillips 42 in. LCD TV.

Here was my Problem. The Power Supply Board. I opened it up( Warranty was Expired) and found several faulty capacitors on the PSB. Its pretty common. Major Electronic companies were sold faulty capacitors that fail in 2-5 years instead of 10-20 due to a lack of preservatives. It wouldn't surprise me if you have the same problem. TV will work fine for a few years and then just fail completely or slowly deteriorate.

Here are the solutions
1. Have it Repaired
2. Check for faulty caps and if you find some(budged or leaking) you know you have located a problem
Remove the board and replace the whole thing.
3. If you have some soldering skills you can replace the faulty caps.
Caps are very inexpensive, under a dollar in most cases. I replaced 4 for about $5.00

Hope this Helps.
Good Luck

Posted on Dec 10, 2010

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1 Answer

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If any buffer board is faulty, this kind of fault can occur. Might have a panel fault too. It will be best to contact any service technician, to make it confirm. If you wish to get more details, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window.

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1 Answer

We own a Sony FWD-50PX2 television. A few weeks ago it would not turn on. The power is going to the television. When you try to turn the tv on you can hear it pop and the red light showing it is off...


this is a common issue i think. below steps solved this issue for an user.

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My Sony Flat Panel Display FWD-50PX2A : When I plug in my Sony the green light goes on a ticking noise appear and after a couple of seconds the red light goes on - neither the remote or manual buttons...


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Sep 13, 2010 | Sony FWD-50PX2 50 in. Plasma Television

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I have a Sony fwd 42pv1 tv and every time I turn it on there is no picture. Like you can hear it click when it turns on and the LED is green but no picture. And when I turn it off it clicks and the LED is...


This is more then likely the power board. I have a complete board set that I will sell you for $150. The screen I had was bad so I just removed all the working boards. They are all like new. If interested email me at theetrader@hotmail.com

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1 Answer

Sony Plasma TV.


I have the same problem. since I have 3 of these TV's, I switched boards around, and I came to the conclution that is the power board. I will try to repair it, and I'll let you know the component that is bad. Gaston

Dec 28, 2008 | Sony FWD-50PX2 50 in. Plasma Television

1 Answer

Sony FWD-42PV1 -


I diagnosed the same problem on my FWD-42pv1 as a problem on the Y-SUS board. The fuse on that board was blown, and the board itself was bad (replacing the fuse was not enough to fix it). The symptoms were exactly the same - the LED cycling red/green, and then finally stuck at red.

With a new Y-SUS board, the TV has been working fine for a couple months.

Jan 26, 2008 | Sony FWD-42PV1 42 in. HD-Ready Plasma...

2 Answers

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I have seen the caps in the power supply vent, which means they get hot and the top pops up and splits open, resulting in the "bang" sound. If you have experience in electronics then remove the back of the set and examine the power supply, looking for any caps whose tops are bowed upward, and replace.

Jun 24, 2007 | Sony FWD-50PX2 50 in. Plasma Television

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