Question about Televison & Video
on blue does not work or multipoint blue wont adjust
philco 50p8341a serial #73642951
This model uses two of the STK-392-110 convergence IC chips. If convergence is skewed or will not adjust in some way---Both chips need to be replaced along with any of the the 6.8 ohm protect resistors around them that are bad.
The parts involved are not real expensive if you can do it or know someone who can do it for you. You can buy a pair of the chips on Ebay for about 12 dollars plus shipping and the resistors are easy to test and under a dollar each if you need them.
Most shops get 300 or more for this kind of repair, so if you are able to do it yourself--you can save the set and a lot of money.
I can give you general instructions on this model that will tell you what you need and how to do it--it varies a little from model to model, but the fix should take about one hour.
Let me know if you have questions--I am here to help people---I have fixed hundreds of sets with this kind of problem.
If this information 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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