Question about Panasonic PT-47WXC43 47" Rear Projection Television
I'm facing the same issue on my Panasonic PT-47WXC43 TV. I was quoted $400 to repair, and I think not. LOL At any rate, I am an old Air Force electronics tech, former depo level monitor repair tech turned Database Geek..and this doesn't scare me too much to give it a shot and save the cash. Only thing is, I've never seen anyone work on one of these and am not sure which capacitors might zap me and so forth. I know we had one specific one in the color board of the 15' gateway monitors that would hold a charge and zap the **** out of you if you weren't paying attention....did you run in to anything like that? Can you think of anything else I should be on the lookout for? I'm good with a soldering iron, so I'm not worried about the actual ICU replacement.
Thanks for any help..and especially for your complete guide to replacing these you posted. That was awesome!
Your TV most likely has a Convergence Chip Failure ( common problem )
Here are some of the most common symptoms and example photos of a convergence problem
You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together convergence repair kits for most models.
The kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, etc. Everything you will need to do the repair yourself.
Posted on May 14, 2009
There are essentially 2 boards in this TV. One has all of the high voltage stuff on it and connects to the tubes. The other has stuff like these convergence ICs and other electronics. While the boards are electrically connected, none of the high voltage lines run to the convergence board, so you should be ok.
To be safe, I left the TV off and unplugged for about a day before I started the replacement, but as you read in my saga, I didn't get it right the first time. By then I was pretty comfortable with the electronics and didn't worry about the high voltage lines. But take the obvious precautions like not touching things you shouldn't, and if you feel it necessary, maybe wear gloves.
The only other thing I can say to be careful of, is that the washers on the screws holding the heat syncs to the ICs will not come off, so be prepared to replace them after cutting them off. Also the heat syncs get really ot in operation, so don't touch it after it's been on for a while.
Let me know if you run into any trouble. Set is still working fine a month+ after fix now.
Posted on Aug 03, 2008
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Posted on Jan 02, 2017
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