Question about Panasonic PT-53WX54 53" Rear Projection HDTV
YES, three blinks is error code for short protection. 98% of the time in this model it means one or both of the two STK-392-110 convergence chips is bad.
There is a easy way for you to confirm this. With the set unplugged remove the back cover. The two chips are 2 1/2 X 1 1/2 inches and black in color--they will have the STK-392-110 PRINTED ON THE FRONT OF THEM IN WHITE LETTERS.
They will be on Metal heat sinks with fins side by side.
What you want to look at is there are about a dozen light blue resistors around them--most will be marked 2.2 ohms.
Look carefully at the resistors--if even one is discolored or somewhat white in the middle you have found your problem.
They can be tested just like testing a fuse--should show as a short if you measure across them.
This repair involves replacing both chips and any bad 2.2 ohm resistors.
I have START TO FINISH, STEP BY STEP INSTRUCTIONS FOR THIS REPAIR IN THIS SET.
If you have some skill at soldering etc--the instructions will tell you everything you need and how to do the fix yourself.
Most shops are going to get 300 or more for this repair and some will not do it in the home.
You can buy a pair of the chips on Ebay (I can tell you the seller there I buy from) for about 12 dollars plus shipping---I have repaired hundreds of these sets--it takes about a hour or so.
Let me know if you want the instructions and I will post them here---
If this information has helped you rate this solution as I do this here for FREE.
Posted on Nov 19, 2009
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Posted on Jan 02, 2017
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