Question about RCA P52928 52" Rear Projection Television
The tv was probably on its way of failling as you put on the extra surge as plugging in a set is more of a current draw as the switching supply starts as does the sweep suppys for a split sec. Then goes into an idle state and that means its still running but waiting for power on command from the micro to start up the rest of the set. Now to your problem? HHHMMM could be the switching regulator as If my memory is correct there should be a regulator kit for a bad power supply. The only way to tell is knowing how to open set and trouble shooting the power supply by unsoldering the regulator to see if its shorted . If its not then the power supplys probably but not always good. Then i would disconnect the horizontal output to see if that was shorted and go from there. Good Luck
Posted on Apr 26, 2006
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Posted on Jan 02, 2017
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