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Re: Re: Tachometer reading 500-2000 RPM high!

To: "Matthew Trebelhorn" <matttrebelhorn@netscape.net>, <mgs@autox.team.net>
Subject: Re: Re: Tachometer reading 500-2000 RPM high!
From: <paul.hunt1@virgin.net>
Date: Wed, 19 Dec 2001 11:27:44 -0000
Mark Olsen used to have a 'tach repair' page on his Sunbeam Tiger site but I
can't find it now.  I think there are only a couple of transistors, the
usual way to detect marginal ones is to heat them up with a hairdryer to
make them fail, or use a freezer spray to 'repair' them.

----- Original Message -----
From: "Matthew Trebelhorn" <matttrebelhorn@netscape.net>
To: <mgs@autox.team.net>
Sent: Tuesday, December 18, 2001 5:32 PM
Subject: RE: Re: Tachometer reading 500-2000 RPM high!


> Any idea how to track it down, if it is in fact a bad (okay, marginal)
transistor?  It's been a few years since I've had the case open on one of
these tachs.  How complicated are they?
>
> The tach is not getting all that hot -- on the warm side, but not
uncomfortable to touch.

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