Olympus-OM
[Top] [All Lists]

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: "Julian Davies" <julian_davies@xxxxxxxxxxxxxx>
Date: Thu, 11 Sep 2003 08:41:19 +0100
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.



< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >




<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz