Re: 2465B battery

Bob Koller
 

You are correct, that the SMD control boards B05+, have the Dallas chip. The earlier boards, and the 2465A, use a Keeper LTC-7P battery. These are virtually never bad, I don't think I have had to replace more than one or two, in the many dozens of scope I have repaired over the years. You can of course replace if you want, but would loose the cal constants unless you tag another battery with current limit resistor across whilst swapping. I have done this many times with other instruments.

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