The red can be adjusted up and down, but the left and right won't move. I just replaced the convergence IC's. I re-touched all solder joints on the ic's. I also checked the connections with a multimeter from the pins to another component on that trace and they all seem good. I started checking other solder joints in the same area on theat board. Is there specific pins I should be looking at? Are there any resitors, caps ot diodes to look at?
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Re: Red convergence won't adjust horiz
The solution to your problem is you are missing 22v on one of the convergence IC'S. On the board it should say vr for Vertical Red. Then just trace that back to the 22v line fuse and you should be in business. I think it is a 3amp fuse or 5amp Micro fuse. Check that and i think you will find it is open. Let me know how that works for you. Which IC'S did you install STK 392-570 OR STK 392-180? Good luck with that and make sure you rate me so i can become a master or a guru. Thank you in advance. Jay
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Your tv has a problem with the convergence, adjust it using the original remote go to the setting's menu then go to the convergence section. Adjust the convergence color red and blue the green color is your guide you cannot move this green color, then you should move the red and the blue in all direction left to right, up and down. If you cannot move the red and the blue far enough the convergence IC is defective it must be replace in order to align this convergence. Feel free to send feed back good day and best regards.
does the blue convergence crosshairs move up and down left and right? Does the red move left or right. does the red move up at all. this might indicate a faullty resistor, bad ic or just bad convergence data. let me know i am here to help
If the convergence is off more than 1/2 inch or so you can't adjust. you have a failure of hardware. most likely the output IC. This set has 2 outputs for convergence. Each output contains 3 circuits, Six circuits altogether 2 red ,2 blue and 2 green. The normal customer adjustment will only alow adjustment of blue and red. They should be converged onto the green. There is a much more complex adjustment in the service mode for Geometry and convergence. These adjustments are only needed when you replace a failed componnent like the output ic. These ICs have been upgraded several times since the production of this set. The latest and most powerfull version is STK394-160. If feel up to it I suggest changing both outputs and the corresponding output resistors. Then do a complete geometry and convergence alignment.
Hi, I`m assuming your saying the letters on the screen have different colors (red, blue, or green) shifted to the left or right?
If so try going into the menu and adjusting your "convergence"
adjustments, basically, move the red onto the green then move the blue onto the green and the bar turns white, if one or more of the colors doesn`t adjust either up/down or left/right then the convergence IC`s have failed, this will require removal of the board and unsoldering the old IC`s and installing and soldering in the new IC`s, questions? e-mail me back, BMW Rider
Mike, convergence adjustments are in your menu, usually under "video" settings. You have to adjust red & blue onto the green, when you`ve done it correctly the "cross" will be pure white, if you cannot move either of the colors left, right, & up, down then the convergence IC`s have failed and will have to be replaced, hope this answers your question, BMW Rider