Question about Mitsubishi VS-60719 60" Rear Projection Television
You might need to replace your STK ic but before you do that you can try the manual adjust. First you pop off the speeker cover then un screw the 4 to 6 screws holding on a black cover about 2 feet wide and 10 inch's tall it verys but is easy to find. once you pull off the cover you will see a black box with 6 tuning Knobs in the top left corner. If you hold a flashlite up to it you will see a R,G,B above or below three of the Knobs.
You can adjust the focus for each tube.
I would have your tv on your basic + convergence setting as it gives you the best screen for doing your focusing.
If this fails to fix the situation the you can replace the STK 393-110. They cost about $10 and you will most likly need two. Try Bluestar.com.
Make sure you replace with sanyo ic's or you will be redoing this in a few months.
just key in you TV model "# stk replacement" you should find lots of step by step instructions. It takes about a hour.
Posted on Nov 17, 2009
If you mean smearing when you say shadow then your problem may not be the convergence. The blue tube may be faulty(weak), try to play with the contrast and brightness levels and if that smear varies with the adjustment then your problem is most likely the tube, in some case there might be a problem with the screen supply(voltage) or the drive circuit. good luck
Posted on Nov 16, 2009
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Posted on Jan 02, 2017
Yes, this model uses a single STK-393-110---IT IS A 2001 MODEL.
If I remember it correctly the IC will be on a huge metal heat sink on the far left side of the set (as you look from the back) there is also a small IC on the same heat sink.
Not the most easy set to do this repair on and if you have a problem with the blue--it may not be the chip.
I have seen 3 or 4 of these where the problem was broken connections on a 10 or 12 pin plug at the left front of the board----
The way someone would pursue this is get the entire chassis up so the bottom of all the boards faces the back of the set--The plug goes to the convergence yokes this set uses---I have seen several where several of the pins had broken loose from the circuit board--normal with expansion etc.
If I was repairing it I would look at the plugs in that front left area FIRST! The last one I fixed had bad connections on TWO plugs---with the board up they will be clearly cracked or ringed--broken loose--if the set for some time would be good and then go bad it is most likely a solder problem.
Resoldering is much easier than replacing that chip!
if it is not resoldering the Chip can be purchased on Ebay for about 14 dollars plus shipping.
If you have someone come out tell them what you know---The plugs (as you look from the back) are up front and towards the left side
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Posted on Nov 11, 2009
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