I have a 56

WS-55809 uses two of the STK-392-570 convergence chips-----usually it is not a soldering problem--I have seen dozens of these sets that use this chip--some of the chips before they totally fail do this--convergence comes and goes--I have also seen several when I unsoldered them that the pins literally fell out of the chips--

I HAVE START TO FINISH, STEP BY STEP INSTRUCTIONS FOR THIS REPAIR IN THIS SET--if you can solder well and are handy--you can buy a pair of the chips on Ebay for less than 13 dollars plus shipping.

I cannot give you my email address but..........

I have also photos of a few things you need to look at if you do this repair----The instructions tell you how to do the repair and also tell you EVERYTHING you will need to do it.

If you have some idea of how I can get the instructions to you other than here let me know--

Take my word for it---if convergence is jumping in or out you need to replace both chips and the set will not have this problem again for 5-8 years--lifespan on these parts.


IF THIS information has helped you, rate this solution as I do this here for free.

SD TECH