Question about Hitachi 57F500 57" Rear Projection HDTV-Ready Television

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My blue color is out of alignment. I tried

My blue color is out of alignment. I tried aligning it manually but it doens't move. I tried the magic focus and that doesn't fix the problem. How do I get the blue back in alignment? It swoops down on the picture,

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Just try the reset first by unplugging the cord from the wall for 4 hours in oder to drained the current stored inside in the IC memory so it will erase and return to its original setting.

Good luck:

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VOTIT

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Posted on Jul 07, 2009

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There are integrated ic's that control the convergence circuit, it generally requires qualified service personnel to repair this.

Posted on Jun 28, 2009

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This is a problem with the convergence circuit. If you can solder, you can repair this yourself. First try and resolder the pins on the existing convergence ICs. These are large black ICs attached to a heatsink and should be marked STKxxx. If the resoldering does not resolve the problem, replace the ICs.
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The three CRTs (green, red and blue) are out of alignment in that location or the convergence circuit has failed altogether. Look in the users menu to see if they have a "converge or convergence" option to do a simple alignment.

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Replace the convergence amps and test and replace any or all of the 2.2ohm resistors in the yoke return path out in front of the amps. This unit takes two STK392-110 Sanyo originals, DO NOT GET CHINESE KNOCK-OFFS... Buy them from Acme sales out of Florida and you can be assured they're originals.
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William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993

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Will the colors move into alignment controlling them manually?
If you can get the colors to align but they simply won't hold it's a matter of programming. If they won't align you still have a failure in the convergence circuit. If red or blue will only move so far but not close enough to align you have an amp problem.
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your convergence amp ic's./if you want to cheat/align the other two colors and manualy move the green yoke rings on the green picture tube neck so the green cross aligns with the red and blue.,they shuold form white when all three are aligned,on top of each other.

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get a shop manual,it tells how to do the whole convergence process and how to store it to the rom memory to save it.

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It sounds to me like the convergence amps themselves have failed. Ic7001 and Ic7002, both are STK392-110 Sanyo built Ic's and not an expensive job for a qualified shop. When shopping around for a shop to repair it ask what they charge for replacement of the convergence amps in this unit. And take the unit to them to save pickup and delivery charges...
Have a great day!
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