Question about Sony FWD50PX2/S 50 in. Plasma Television
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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Posted on Jan 02, 2017
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
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.
Posted on Oct 21, 2008
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
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.
Posted on Dec 10, 2010
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