Magic focus has trouble on the blue and displays a 5 in the bottom right corner. When I try the manual option the blue is off the grid by quite a bit.The horizontal lines are pretty close but the vertical lines are in the middle of the grid. I cannot move the lines horizontal but can move them vertical. Also it seems to work somewhat near the edge of the screen and nothing in the middle. No obvious hot or burned resistors etc than I can see with a quick look
Comments:
Mar 19, 2008
- Ok, it has two IC's. One is an STK-392-110 and the other is a -150. Should I replace these with the same or I have read about some upgrade. A STK-394-160? I've also read something about some repair kits that would come with some resistors that may need to be changed. It's a DP-23 chassis according to a sticker near the rear inputs.
blue convergence IC needs replacing. That should have 3 ICs one for each color if so you only need to replace the blue. but if it has only 2 ICs then you will need to change both. If you need further info let me know.
You should use STK392-150 for both. Do not use the 394's. You must check all the supply resistors on the convergence panel. They will be anywhere from 1.2ohm to 2.8ohm and I mean ON THE MONEY. No room for error. I hope when your done you know how to re converge the set of which it will need. The average repair for this is around $250.00 in the home. Not a major repair but can be time consuming. Keep me posted!
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