[Lowfer] New Goodie!

[Ralph Hartwell]

> I think you will be happy with the 3586C. I have a 3586B, and have
> gotten a lot of use out of it. I have mentioned this on this forum

Barry,

It looks like a very nice unit, to be sure!  It does not have the oven
controlled 10 MHz reference oscillator.  The warm up drift seems to be
about 4 Hz @ 15 MHZ against WWV from a stone cold start.

> before, but I'll repeat it. It pays to take a peak at the power supply
> board on these units. There is a battery on this board that can go bad
> and leak. That is what happened to mine. The acid ate its way through

IIRC, I did see that post earlier, but forgot to file it.  I'll check
the battery and the board tomorow.  The unit is at the shop right now
where I was testing it.

> the board, and also destroyed the electrolytic capacitors on the
board.
> With much patience, I was able to replace the caps, and repair the
> paths on the board with little pieces of paper clips. (A new board is
a

Good job!  I've done similar repairs when desperate enough (lack of $$
for new unit.)  One question - which board is it?  I assume it's
probably located near/connected to the big electrolytic caps by the
power transformer, and not a plug-in board.

> coupla hundred bucks). In my case, I never replaced the battery, which

> just means it doesn't remember where it was when it was shut off. Not
a

Must be dead then, because it comes up fat, dumb and happy in CAL mode @
10 MHz and stays there until I tell it what to do.

> big deal for me. I would check this battery once in awhile to make
sure
> it doesn't leak and damage stuff.

I will put that on my periodic maintenance list.  Thanks for the tips.

73,

Ralph   W5JGV / WC2XSR / 13

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