Question about Televison & Video
Have a green, blue,pink wave at the bottom of the tv try to adjust the convergence and problem is still there
Change the two stk-392-110 chips and look in front of them for any of the 2.2 ohm resistors to be bad.
Posted on Dec 22, 2012
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Posted on Jan 02, 2017
There are 2 large IC's in your set and one of them has burned out. These are called convergence output IC's and are usually the STK392-010's. A good idea would be to go ahead and replace both with the newer, upgraded STK392-150 IC's. A good tech can change those IC's in about an hour and a half, and when I do a housecall for a set like that I charge $150, but shops in your area will vary so be sure to ask around.
Posted on Sep 10, 2007
SOURCE: Convergence issue?
This still could be the convergence . This will should be repaired by a tech if you do not know how to repair . Around $200 - $300 if you could get it to him or more if he has to make a service call . Call around for the best price as alot of shops vary in there charges. On this problem if it is the convergence make sure they will use the original IC's and not the cheap replacements as they do not hold up as long . Good luck
Posted on Mar 03, 2008
You will need to replace your two convergence I.C.s.They are two large
IC mounted on a large aluminum heat sink.Replace both,look for any
burned resistors near them,replace those if needed,and readjust your
convergence. Good Luck
Let me know if you need any further help
Posted on Mar 29, 2008
SOURCE: Convergence adjustments
Replace both convergence ICs nuber STK392-040 that should take care of the problem. you can get new replacement ICs at the following link and they will send free instalation instructions with pictures so you can install the new ICs. heres the link.
Posted on May 27, 2008
Had same problem with Red. Could not adjust. Funny broken lines. Found this link:
Replaced the ICs. Was disappointed at first 'cause it was still all bowed out, but then realized that the Convergence 2 "target" can be changed with the number keys. Working thru 1-9 and going back to readjust as necessary adjusted each one into perfect alignment.
Problem solved. TV works great.
I should add that while I am reasonable technically adept, I am a software geek and never soldered before... hardest part was getting up the courage to dive in and do it myself. Glad I did.
Posted on Oct 29, 2008
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