I really screwed up. I have a panasonic PT47WX42F TV that I tried replacing the "rectifiers" on. The part number that I ordered was a STK392-110. The orginal problem was when it was torned on, a click could be heard, the screen flashed then a pop could be heard, after which the red light on the front of the unit flashed three times. I tried replacing the "rectifiiers" and tore a small strip off of the circuit board. Any ideas on where to find a replacement board or have this one repaired? In over my head.
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Re: Damaged circuit board
Gary, contact the following site and leave a email as they have a remnanufacturinng process where they can remanufacture your board and repair the trace strips to like new condition, as your board is no longer available from panasonic. Heres the link. Be sure to include your model number http://servicemanuals.vstore.ca/
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If the buttons on the TV -and- the buttons on the remote don't work, then there's definitely something wonky with the TV.
The good news is that the power works and the picture looks good. That rules out a bunch of things. If you don't mind tinkering, replacing circuit boards on TVs is pretty straight-forward -- just take off the back, unscrew the offending board and replace it. You'll have to do a little research to narrow down to the right board to replace -- it might be this key controller board: http://www.shopjimmy.com/panasonic-tnpa4280s-gs-board.htm
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.
I had a same issue with my Panasonic TH-42PV500B plasma television. I tried everything which is written above and can be found on different websites. Finally I decided to replace the HDMI Board itself. I was able to buy a used one on ebay, it was only 13 pounds with postage.It is relatively easy to remove this HDMI Board. You should just unplug the TV and remove all of the screws form the back which are fixing the back of the TV to the frame. There are plenty of screws. You should remove all of them! Remove the backplate of the TV. After this you can remove another metal plate from inside, which covers this HDMI board - 4 screws. After you can remove the HDMI Board - only one screw holding it to the main board. Replace the new one back and put back the cover plate and the back of the TV. And it is working. Panasonic 42 Plasma TV TH-42PV500B Part HDMI Board Order number: TNPA3626
Distroted sound may due to some fault in the speaker or its ouput stage inside your TV. You jsut open your TV and unsolder the wires from speaker, and solder it to an other speaker and see whether the sound is normal or not. If it is normal, you can make sure that the speaker of your TV has damaged.
Other reason is of some fault in the output section of your TV, which is integrated on its circuit board. You just locate the audio output section on the circuit board. it will be an Ic that drives the speaker. It can be located very easly following the speaker wires. usually it is screwed on to a metal plate, and will have a number printed on it. Sometimes there may be some bad solderings on its leg solderings. You just resolder all the pins of that Ic by applying a little more solder to its points, and see the effect.
If this cannot rectify the problem, just resoder the Ic out from the cirtuit board, and go for a same type and number. Replacing it will solve your problem. Ok
Found thsi list two different places:
1 blink STV 5v sense DG Board
2 blinks 15v SOS D Board
3 blinks 3.3v SOS D Board
4 blinks Power SOS P Board
5 blinks 5v SOS D Board
6 blinks Driver SOS 1 SU / SD / SC Boards (SC energy recovery circuit)
7 blinks Driver SOS 2 SU / SD / SS Boards (SC floating voltage area)
8 blinks Driver SOS 3 SS Board (SS energy recovery circuit)
9 blinks Panel Config. SOS
10 blinks Sub 5v SOS / Main 3v SOS DG Board DTV 9v SOS / Tuner Power SOS
11 blinks Fan SOS PB Board
12 blinks Sound SOS H Board
13 blinks Communication error DG Board with IC8001 (Pesks Lite 2)
Alot of times capacitors on the power supply circuit board will go bad. They will bulge/dome or dry up which will cause this problem. Bad caps dont hold a charge, which is needed to maintain a voltage. The circuit board is two sided which makes replacing the caps difficult, and the board can be damaged and have to be replaced. Taking it to a repair shop may be cheeper and safer then doing it yourself. Having two-six caps replaced is a lot cheeper then a new board.
Is your TV still under warranty? This problem seems common on this site
with the Panasonic brand. I really can't say what exactly is causing
this problem, but it seems like something in the power circuit board is
faulty. My advice would be to call Panasonic's Technical Support
Hotline and speak to a Technician. It could even be a problem that has
warranted a recall of that particular model. The number for Panasonic's
Hotline is 1-800-211-7262. Or, you can contact them via e-mail @ www.panasonic.com under "Get Support". Hope this helps...