John,
From what has been put forth in this thread in answer to my question,
the following seems to be the concencus.
1. Not all OM4's have the new 4T ckt board which came out at the end
of OM4 production. Logical
2. From those that have had the ckt board upgrade it is stated that
one of the characteristics of the new circuit board is that when it is
put in battery test mod and held there, that it will self terminate in
about 30 seconds. If this is true, then it should be a definitive test
that anyone can perform to determine if a given OM4 camera body had the
4T circuit board in it.
The question John, is it true and a fact ?
Rand E.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
John Hermanson wrote:
>
> AFAIK, all original OM-4s have the higher drain board, they all left the
> factory that way. The only way an original 4 has a new style board is if
> the camera owner had it serviced at some time by Olympus and the new board
> was installed. New boards first appeared in the 4T / Ti in factory
> production.
>
> John Hermanson
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