Question about Panasonic PT-53WX53 53" Rear Projection HDTV-Ready Television
Was watching TV the other night on our Panasonic PT-53WX53 53" RPTV, when the picture suddenly went green for a few seconds, then the TV shut off. If I attempt to turn it on, it will start up then immediately shut down, and the power LED blinks red 3 times.
I've read here and elsewhere on the internet that this is probably due to a fried convergence IC, the STK392-110. I've just ordered two new ones of these. I won't be able to try them until Sunday, but I am planning on removing the old ones from the PCB and soldering the new ones in its place.
I also see that there is a convergence repair kit sold on the internet that contains those two IC's and 6 2.2 ohm 2 watt resistors. I'll test the current resistors ( R7048, R7049, R7050, R7053, R7056, R7059) to make sure that they aren't fried either.
Am I on the right track? Once I replace the IC's, will the convergence be whacked up? Will I be able to adjust it via the user menu, or will it be necessary to go into the service menu (and if so, how do I do that)?
Thanks in advance.
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Posted on Jan 02, 2017
R7050 and R7059 are both 2.2ohm 2watt Resistor R7001 is either 82 or 8.2 ohm if you give me the colors of the bands on that resistor I will let you know for positive what the value of R7001 is
Posted on Apr 27, 2008
OK< likely one of the new chips are bad or when soldered in you shorted pins at that time----3 blinks is short protection and you are going to find ONE of the light blue 2.2 ohm resistors is open (usually discolored in middle).
Having changed hundreds of chips in this model once in a while you get a new one that is bad---replace both again.
How did you get at them----remove the board or pull the light box?
Posted on Oct 26, 2012
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