Possibly you could get a new or used generic aftermarket tach, rip out its
and install it in the Smiths tach?
At 11:44 AM 10/14/2005 -0500, you wrote:
>The Smith electronic tach in my '78 is in need of replacement. At 3500rpm it
>is reading 4500 and it varies. I know that there is suppose to be a
>calibration adjustment on the back, but the PO told me that It had died once
>on him and he repaired a cracked PC board in it and also replaces a few of the
>capacitors. Apparently it is using a op-amp chip that is either unmarked or
>does not translate into a common number and there was also something about it
>not having a standard 8, 14, 16 pin configuration.
>So if someone has a known good one that they are willing to part with or if
>there is a schematic out there somewhere I'd like to hear about it.
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