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I received a Panasonic PT47WX52F (chasEP824) TV that my friend gave up on. One of the convergence amps when bad so he ordered two new Sanyo STK394-250 and put them in but none of the convergence adjustments work. When I got the set and looked at it, I found that the modules are not turning on! The orginial modules were STK392-110. He said he found on the internet that STK394-250 was a direct (better) replacement on some HDTV site. I tried to get the data sheet on the STK394-250 but since Sanyo does not make them any more it does not exist.