Question about Sharp 55R-WP4H 55" Rear Projection Television
I fixed mine with help of this site. I needed the 2 convergence amps and 1 resistor on that board was bad also. I done what Premtech said and that was to unplug the power to the convergence amps an turn TV on well it stayed on looked like **** but that led me to change the amps. Search google for a pic of these STK392-040. Then you can look at back of your tv they hook to the convergence board. Unplug the biggest connector on it see if it turns on. If it does you need both amps, and need a dvom to check the low ohm resistors on the board. Or take it to someone that can solder it all up and check the board. Also saw where the flybacks can have cold solder spot.
Posted on Jan 11, 2009
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