Re: Tek 2467B Erratic Intensity controls


Bob Koller <testtech@...>
 

My instrument has a new NVRAM, I routinely replace the Maxim/Dallas part with the less expensive ST M48Z08 part.
The new, or the old, NVRAM make no difference with the sluggish or sticky control action.

It seems to me that the uP is busy with something else, but what?
This instrument is a B05+ s/n, with the readout integrated on the control board. I wonder if there is some problem there, perhaps causing extra uP load?

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