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Re: FW: [OM] T32 is not firing at 1/60 but at 1/30 downwards

Subject: Re: FW: [OM] T32 is not firing at 1/60 but at 1/30 downwards
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Thu, 11 Sep 2003 09:04:49 -0400
problem is purely mechanical.
----------------------------------------------------
John Hermanson  www.zuiko.com
mail:  omtech@xxxxxxxxx
Camtech, Olympus Sales & Service since 1977
21 South Lane, Huntington NY 11743-4714
631-424-2121  Turnaround 4-5 weeks
----------------------------------------------------
----- Original Message ----- 
From: "Julian Davies" <julian_davies@xxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Thursday, September 11, 2003 3:41 AM
Subject: Re: FW: [OM] T32 is not firing at 1/60 but at 1/30 downwards


> If the flash won't fire at 1/60 on shoe 1, it's most likely an X sync
> circuit problem as pointed out by JH. This could be down to a number of
> reasons, but basically if the shutter speed is accurate, the X circuit
> microswitches are not timed correctly. If the shutter speed is not
accurate,
> have it adjusted and then see above.
> Because 1/60 is close to the limit for the shutter assembly's natural X
sync
> speed, the actual speed would not have to be out by much to prevent both
> microswitches closing at the nominal speed.
>
> The quench - signal problem is more likely to cause the "fires at a
fraction
> of max output" situation.
>
> I've never seen documentation of this issue. I pieced the scenario
together
> from various sources, including the OM2 circuit diagrams and Mannheim's
> book. The result being that I don't know any more about it than I have
> already written! Sorry!
>
> Julian
>
> ----- Original Message ----- 
> From: "Fernando Gonzalez Gentile"
> .
> > Bad news: 1) I have also shoe1. Installed it but T32 will not fire at
> 1/60.
> > 2) I taped over the quench contact on shoe3, T32 will not fire at 1/60.
> > On both cases fires at 1/30.
>
>



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