Question about Sony FWD-42PV1 42 in. HD-Ready Plasma Television

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Sony FWD-42PV1 Board Y-SUS 6871 QYH O50C

Hello, the mishap is the following:
TV Sony FWD-42PV1, Board of Y-SUS 6871 QYH O50C, the burned fuse, the circuit of the tension 181V of this Board exists a short circuit, it is difficult and impossible of my part to acquire the outline (manual service) of this Board, even in the internet.
Sony they say to change Board when problems exist.
But did I like to repair Board, where can I find the outline of this Bord Y-SUS 6871 QYH O50C?
Thank you

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  • ewan837 Jun 20, 2008

    I have the same fault on my FWD-42PV1. 10 months old and it 'popped' then black screen. When you try and turn it on the green light comes up for a bit then a click and back to standby red. I am trying to find a replacement Y SUS board but having trouble. Anyone can help with this?



2 Answers

Hi there I got a YSUS ZSUS Control board kit off ebay. It is supposed to fix the problem. $35 from ebay and $230 from Sony. Lets hope it works

Posted on Jul 13, 2008

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Ebay just looked at me like, "You want what?!"

Has it. 
Bam! Done.

Posted on Sep 05, 2008


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Sony FWD-42pv1 wont turn on

You have to check all the output voltages outputs from the main power regulator section. Really, this is a very skilled work, in case of Plasma displays. It is best to contact any service technician. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product by anyone else could result in serious injury or death. If you are not familiar with electronics, do not attempt to repair. Whether you suffer fatal electrical shock. Instead, contact the nearest service centre.

Sep 11, 2013 | Sony FWD-42PV1 42 in. HD-Ready Plasma...

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Why does my Sony FWD-42PV1 intermittenly black out?

if the tv blacks out and the light in front stays on its the backlight going first vizio did it within 3 mos of purchase had to send in and they ended up sending whole new tv

Sep 11, 2012 | Sony FWD-42PV1 42 in. HD-Ready Plasma...

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I have a Sony fwd 42pv1...there is no picture or sound but the sreen does come on

D/A board should be suspected. Power supply regulator is OK. Seek tech support. This is a skilled work.

Jun 06, 2012 | Sony FWD-42PV1 42 in. HD-Ready Plasma...

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I need to order this y suss card for my lg tv but can't find it. Also need sus a card no. 6871 qdh 085a and sus b card no. 6871 qdh 084a.

You can try websites to buy and replacement your Y sustain board.
Thanks and care...

Sep 02, 2010 | Televison & Video

1 Answer

Hi I have a Sony FWD 42PV1 Plasma. It has just stopped working. The LED shows green light when powered on and switches to red after few seconds without showing anything on the display. I have checked the...

Your power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like, to buy a whole refurbish power supply board for the replacement.

Take care.....

Aug 11, 2010 | Sony FWD-42PV1 42 in. HD-Ready Plasma...

1 Answer

I have a Sony FWD-42PV1 and I will be watching it and it will just shout off on it's own. What do you think?

This is a common problem on these plasma TV's. The problemresides in the high voltage boards known as the X and Y Sustainboards.. You can purchase them here for a very reasonable price:

The above link is to a Y-SUS board. The X-Sus board is often the 2nd cause of failure and can be found here:

Totest which board is failing, you need to check voltage input to theYSUS board first... Input should be 120V from Power supply, outputshould be above 250V.. Do this test with XSUS disconnected. IF 250+Vexists, then XSUS is damaged. If not, then the YSUS is the faulty part.

Sep 30, 2009 | Sony FWD-42PV1 42 in. HD-Ready Plasma...

2 Answers

I need a ysus board for my sony fwd42pvi

Hi, you need to order part number 1-789-205-11 comes as a kit from sony. go here to order it; you will have to log in as a "guest" but they will sell to tou, list price is $210 + s&h. video-tek

Jun 05, 2009 | Sony FWD-42PV1 42 in. HD-Ready Plasma...

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...

1 Answer

Broke tv

From what I have read - its a faulty Y SUS board. There seems to be replacements around at USD35 but I have yet to lay my hands on one

Jan 16, 2008 | Sony FWD-42PV1 42 in. HD-Ready Plasma...

2 Answers

Loud bang, unit stopped working

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.

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