Question about Panasonic PT-47WX53 47" Rear Projection HDTV
OK, three blinks is error code for short protection--considering you are describing a convergence problem what you have is one of the two STK-392-110 convergence chips is shorted.
The chips are about 2 1 /2 inches wide by 1 1/2 inches tall and are black in color. They are mounted on metal heat sinks with fins and are side by side--they will have the Stk-392-110 number printed on them in white letters.
If you locate them take a good look at all the light blue resistors in front of them--most are marked 2.2 ohms---look for any that are white or discolored in the middle---if you find one or more YOU HAVE FOUND YOUR PROBLEM.
BOTH chips and any bad resistors need to be replaced and the set adjusted. If you can do this repair you can save a lot of money as you can buy both chips (a pair) on Ebay for about 12 dollars plus shipping.
I have start to finish instructions for this repair on this type of set but I cannot post MY email here-NOT permitted to post MY email.
If you cannot do this repair yourself, shop around your area--most shops charge 300-400 for this kind of repair--I do them here for 200-250 and have done hundreds of them.
If they say it has to go to the shop--keep looking as any good tech can do this repair in your home in about 1 hour.
If you have any questions or need advice reply to this posting here OR check out all my many solutions here for more information concerning what I have told you.
I am here to help people.
Regards, SD TECH
Posted on Oct 03, 2009
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Posted on Jan 02, 2017
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