Question about Televison & Video
Typically when no colors react to convergence adjustment it is the convergence ICs. Since only one color is involved here I would not have changed the convergence ICs, but now you know that they were not the problem. Since you stated that the blue moves but will not converge it is probably not the digital convergence box, it could be but first try this. I've only seen this once but the new units have sensors in the screen for the automatic ajustment of the convergence, if one of them moves you would have the problem you described. Unplug unit. Remove the back. Remove the top half of the back containing the mirror. Be careful not to damage it. This would also be a good time to clean the mirror before reassembly. You will have a much brighter and sharper picture. Looking at the TV screen from the back you should see the sensors. Check each one for proper placement. It should be obvious, they set in a hole and typically are glued or screwed fast. Fix any problems and reassemble. If your unit still has the same problem there is only one item left to check. The digital convergence box. They aren't that expensive anymore. www.encompass.com or www.shopjimmy.com should have what you need. Let me know how you make out or if you need more help.
Posted on Feb 08, 2010
Eventhough the blue lines don't align all the way, are they straight like the red and the green, do they look like they would align if there were more correction range available? or they still look arched .
Posted on Feb 07, 2010
You have a few possible reasons for this.
First some questions:
Was problem exactly the same before you replaced the STK's?
Does blue move in both directions? (up/down and left/right)
If blue moves but will not move far enough let me know.
The more you tell me the better I can help you.
Regards, SD TECH
Posted on Feb 06, 2010
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Posted on Jan 02, 2017
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