Question about Sony FWD-50PX1 50 in. HD-Ready Plasma Television

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X Sustain Board on Sony FWD50PX1

I have been told by a local shop that the x sustain board on my 50" Plasma fwd50px1 is in need of replacement. As usual they would like to charge me an arm and leg to replace it (~$500). I am very technically skilled, and feel that I could replace the board myself if I were to have some basic guidance, and a place where I could purchase the correct board. Do you have this board in stock, or can you get it, and, can you explain to me how I should install it?

Ronak (562) 761-3556

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Board is around $289.00 cost, if you can find one, Most likely if your display turns on and has no picture the display is bad time for a new plasma monitor, and it's a Y-SUS board

Posted on Nov 04, 2008

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Posted on Jun 19, 2008


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Did it work with the Y-sustain board replaced? Likely if it did not work then there is an issue with the capacitors on the Y-sustain board and the power board. Check these caps for failure and replace them with the exact type. Likely the caps are blown and cause voltage loss in one or both boards.

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Plasma display suddenly dimming down is usually symptom of a faulty sustain board. Sustain boards and other parts like the PSU must be tested before replacing any component.

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If I have to replace the Zboard LI4101199A what would something like this run? My unit is 7 years old.

if you are replacing the X-Sustain / Z-Sustain Board yourself,
the part is 179.95 + 10-15 s/h

if you are taking it to a shop for repair, it is easily going to be double that.

Oct 07, 2010 | Samsung HPN5039 50 in. Plasma HDTV

3 Answers

My Viizio plasma has soundut no picture.


Problem is in either power supply or the Y-Sustain board.
but the Y sustain board is mostly likely to be the cause.
The Y-Sustain is a relatively large board out of which go connections to the side of the display; it's therefore closer to either the left or the right side of the display, has at least one rather large heat sink on it and fat power cables connecting it to the main power supply.

Often there are fuses on that board - one or more. Check those.

if they are blown you can try to replace them, but expect them to blow again - usually the whole board needs to be replaced.

Good luck......

Jul 30, 2010 | Vizio P50HDTV10A 50 in. Plasma HDTV

1 Answer

Got two popping sound and them no picture and just sound. No picture at all. Was told circuit boards might be blown. Which one usually go, how much do they cost and how hard to install them? Is it worth...

Most likely a fault on your Y-Sustain board & possibly the buffer board (one of the drive IC's may have blown). These boards can cost up to £100. The Y-Sustain board is not too difficult to replace but the buffer board can be tricky to reconnect the flat ribbon connectors. There is some dismantling of other parts to gain access to remove the sustain board.

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P50hdtv10a y-sustain and pcb

I had this problem with a different brand plasma and it turned out to be cracked or missing solder on the power board lead to y sustain. I removed the power board, desoldered the connection, clean it up and then resoldered the connection. Everything works great now.

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Nov 10, 2008 | LG 50PX2DC 50 in. Plasma Television

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Part # for a Y Sustain Board Cable Ribbon

why are you replacing it? what went wrong? mine just stopped lst nite and jsut ties to turn on. email

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Sony plasma picture is blurry and makes a popping noise

Hello MDay02,
Your problem maybe your X board which is the same as PCB X sustain. Changing the fuse in this case may NOT solved your problem. If you are handy, you may be able to change the board yourself. We have most Sony X board in stock. If you purchase the board from us, we will walk you through the installation process for FREE over the phone.

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