Adustment HELP


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Adustment HELP

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sonic
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Jun 15, 2008, 1:54 AM

Post #1 of 2 (1100 views)
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Adustment HELP	Can't Post

I Traced the problem to the adjustement board on my CU4601b Hitachi, I took it off to resolder and check some things and fould a crack were one of the screws was put in to tight. I called around and found one for 10 bucks from a electronic guy who said he just didnt need it LOL. anyway brought it home and I have blue now YES but I have to adjust all the screws to find the best picture is there a easy way to tip trick to get started there is like 30 screws. I have seen it done years ago by my late uncle but I was a kid and dont remeber I think he started by turning all the screws to the center then doing some then skipping but I just dont remember Any advice.

PoXFreak
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Jul 5, 2008, 10:22 PM

Post #2 of 2 (1060 views)
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Re: [sonic] Adustment HELP [In reply to]	Can't Post

If the original board is still available, you can use that as a "reference" to where the pots should be to start with, then make fine adjustments to each pot. Another tedious process I like to use is to test each pots resistance individually, marking the values for each as I go along, and then transferring those values to the new board using the pots for each perspective value. A little monotonous I know, but the results are usually pretty good and requires VERY little fine-tuning afterwards.

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