I still have replacement OM-2/2N circuits in stock, leftover from my
days as an Olympus subcontractor. When all else fails,
there is the option to take a circuit from a parts body.
___________________________________
John Hermanson
Camtech Photo Services, Inc.
21 South Lane, Huntington NY 11743
631-424-2121 | Olympus OM Service since 1977
http://www.zuiko.com | omtech1 AT verizon dot net
Tim Hughes wrote:
> I was just thinking the other day that the OM2 i.c.s, can now easily
> be replaced by substitute surface mount parts. The opamp and fet pair
> can be replaced by a low voltage cmos input opamp. The comparator by
> a low voltage comparator.
>
> In the OM2 the comparator and opamp are in common package but
> seperate sm parts would actually be smaller. The current draw would
> be a bit lower too. These would not be drop in replacements but not
> impossible to do.
>
> In the OM2N there is an interlock timer/logic as well, which would be
> harder to replace but could be just eliminated to make the flash and
> long exposure behaviour exactly the same as an OM2.
>
> Tim Hughes
>
> --- Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
>
>> Sorry, the original got clipped in the front somehow. Happens to
>> me once in a while but only on this list.
>>
>> Chuck
>>
>> Your logic on the repairability of the OM-4Ti is impeccable but,
>> unfortunately, incorrect. There are no electronic parts available
>> except from organ transplant donors. And those are in extremely
>> short supply since its the electronics which fail first. Stick
>> with an OM-1n or and OM-2/2n if you want a repairable camera. Lots
>> of parts still available.
>>
>> Chuck Norcutt
>>
>> Leandro DUTRA wrote:
>>> 2007/9/3, Darin <d.rhein@xxxxxxxxxxx>:
>>>> Perhaps an OM-2s would be another, more affordable, option.
>>>> This would give her the choice of automatic or manual shutter
>>>> speeds, and TTL support of her T-20 flash.
>>> My worry is about electronics failing. We don't have the
>>> resources you have for repairs, and the OM�2s is an old model.
>>> Thus I am considering the OM�1n a better bet; if I wanted to
>>> risk electronics, I guess the OM�4Ti would be a more complete
>>> and, being more recent, more repairable (is there such a word?)
>>> option.
>>>
>>> As for automation, she has an E�510 already. So I guess the
>>> OM�1n would be a nice, fully manual, counterpoint. Or a plain
>>> OM�1. I gather they are cheap enough too.
>>>
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