I have an old, beloved keyer (KC1) that uses these accursed things. If the
number is the same (I'll look it up) I'd love learning more about opening it up
an running leads externally to a replaceable battery. I've purchased
replacements from Mouser and they are newer but not new.
Kim N5OP
"People that make music together cannot be enemies, at least as long as the
music lasts." -- Paul Hindemith
> On Feb 10, 2015, at 11:39, Peter Bertini <radioconnection@gmail.com> wrote:
>
> Arrrgh! Dallas time chips??
>
> I ran into this on my Paragon II. Ordered two chips on eBay, and received
> junk that had older date codes than what I was trying to replace from idiot
> Chinese vendors with no scruples.
>
> I finally got a usable chip from Futurlec.
>
> If someone is skilled, talented, and has good eyesight and is willing,
> those old chips can be opened up; and the internal lithium cell replaced.
> The internal chip has a lead for external battery backup, which has been
> folded back and connected to an internal lithium cell.
>
> Either the internal cell can be replaced, or the connection to the outside
> world reestablished, to enable using an external lithium cell for the chip.
>
> Pete
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