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Re: 51MP392H/17 Red Convergance Problem
You need to replace the two Convergence ICs they are STK392-120 and also about four of the 6.8 ohm 1watt resistors. You can get replacement ICs and resistors at the following link and they provide free instalation instructions http://servicemanuals.vstore.ca/
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yes your model has the 6.8 ohm 1watt resistors there are 11 of them often marked as 6R8 1wJ instead of color bands. They are resistors 3149 through 3160 you can get replacement resistors at the following link. http://servicemanuals.vstore.ca/
you will need to replace both convergence ics they are both STK392-120 and you will also need four 6.8 ohm 1 watt convergence resistors. You can get replacement ICs and the resistors at the following link and they provide free instaltion instructions with pictures so you can do the repair yourself.Here is the link. http://servicemanuals.vstore.ca/
If the red converge will not line up, then there the convergence chips are actually bad - the repair will cost around $700 if you go through a Magnavox authorized service center. I would look at posts by Slinteriors in the Philips or Magnavox rear projection sections - he has some ideas on generic chips that might be had for cheaper.
No, if the Red doesnt adjust with the remote, You will need to replace both STK392-120 Convergence ICs. Its a fairly easy job if you have basic soldering skills, and you will also need about four 6.8 ohm 1 watt resistors for your model. You can get replacement ICs and resistors at the following link and they provide free instalation instructions with pictures. Heres the link. http://servicemanuals.vstore.ca/
Convergence amp ic bad http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html http://www.hdtvoice.com/voice/showthread.php?t=28929 Or send to ptscorp.com http://www.hdtvoice.com/voice/index.php?s=
What do you mean by covers? do you mean focual lens? did you replace them to there proper place (red to red, green to green, ect..). each has it's own focal legnth and must be placed on the correct gun. did you adjust (accidentaly) the red centering polls?if you did please have a tech readjust them you can end up with convergance amp overload. did you try to converge the lines? if they did not move when adjusting you may have a convergance amp problem. read my motto