Question about Hitachi 51SWX20B 51" Rear Projection Television
Hello again Slinteriors,
I replaced that RK46 resistor with an exact duplicate from union electronics http://www.ued.net/website/index.html. I still have the diode (D940) clicking several times when I power up then the board just goes dead again. The flyback transformer looks like heat has possibly been surrounding it. It looks brownish around the base. Is this the next thing to wonder about? If so, are these repairs better left to the professionals. It looks a little more involving that the other stuff. I visually searched and inspected the entire board and the other 2 boards for bad resistors or any signs of failure but seen none. I visually rechecked my soldering of the IC's and the resistor with a 10x magnifier and everything looked great. I downloaded the service manual from your site so thank you for that great service and also thank you for all your help up to this point. If there is any other direction you would take your help would be greatly appreciated.
Bye fr now and thank you again.
I would check the standby voltages and see if they are correct and then move on from there. The flyback will usually have signs of heat around them, however that model really isnt famous for trouble some flybacks. I would check the supply voltages for sure that could give you a better leg to stand on as far as determining if a repair tech should be called in or not
Posted on May 14, 2008
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Posted on Jan 02, 2017
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