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Re: unable to adjust 7904 focus amplifier


 

On Dec 20, 2024, at 07:55 , Adam R. Maxwell via groups.io <amaxwell@...> wrote:

I'm waiting on an AT5058 that will hopefully be an actual fix for this.
For the archives: the transistors finally arrived, and replacing Q1769 fixed the 7904 autofocus issue, allowing me to complete all the steps in the Z-axis service procedure. Ironically, the readout now isn't as sharp as it was before, so I may play with this further when I get bored.

Adam

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