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RE: [OM] T32 or OM 2n problem....

Subject: RE: [OM] T32 or OM 2n problem....
From: "Andrew Tierney" <urbex@xxxxxxxxxxxx>
Date: Thu, 13 Jun 2002 20:40:44 +0100
Hi,

I have been looking at the circuit diagram for the T32 and the OM 2 (not 2N).
The TTL socket is derived straight from the contacts on the hot shoe, so I can
check these.

I also looked to she how the pulse of voltage on the flash quench works. On the
OM 2, it is simply connected to the shutter magnet coil via a resistor. The back
emf when the coil turns off sends a voltage pulse. So, if the shutter is working
(as in changing in speeds), then unless this resistor is broken, or a loose
contact somewhere, then the pulse must get there.

This of course assumes that the 2 is the same as the 2N in this respect.

After reading the service manual, you realise how impressively simple these
cameras are. The circuit is so simple, but works well. It still amazes me with
all the mechanical stuff inside them, and how people manage to take them apart
and get them back together again.

Thanks for the info about where to get it serviced.

--
Andrew Tierney
urbex@xxxxxxxxxxxx
www.urbex.org.uk




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