Is there enough demand to develop our own replacement circuits? I don't
know how much the circuits changed over the years and whether or not
they use the same chips as the originals, but USD$250 sounds extreme. I
currently am working on a 32bit CPU board running linux, 32M of RAM and
Flash, and they will cost roughly USD$120 to manufacture. Texas
Instruments make a nice little chip called the MSP430 which comes in
many variants and is designed for ultra low power applications.
Something like that could incorporate most of the functionality in
software. I reckon a USD$40.00 part could be met. Of course, FCC and CE
EMC compliance would need to be addressed, so maybe the cost of testing
to those standards outweighs the development effort.
I'm just thinking out loud at this stage. Shoot me down in flames if you
will.
John Hermanson wrote:
> I don't offer circuit replacements. Since a circuit costs, like, $250
> (maybe more now since mercenary pricing has seeped into OA parts department)
> , then add 3 hours labor @ $50 per, you are entering the used 4T price
> range.
>
> _________________________________
> John Hermanson
> Camtech Photo Services, Inc.
> 21 South Lane,
> Huntington, NY, 11743-4714,
> 631-424-2121, www.zuiko.com
> _________________________________
> ----- Original Message -----
> From: "Matheson, Craig" <Craig.Matheson@xxxxxxxxxxxxx>
> To: <olympus@xxxxxxxxxx>
> Sent: Tuesday, July 13, 2004 8:33 AM
> Subject: [OM] Re: OM4 strange electronic buzzing sound
>
>
>
>>Thanks John,
>>
>>I was hoping that it was a common fault with a easy solution. As the
>
> camera works perfectly when its not buzzing & locking up. John did you
> solve the buzzing problem or was it a circuit replacement fix?
>
>>Incidentally some of my photos are displaying a dark vertical patch
>
> (middle only) and around this an over-exposure patch which makes it kind of
> look like a vertical eye. The rest of the photo is ok. This has happened 3
> times just before the camera locks and buzzes.
>
>>Has anyone else experienced this or is this the effect of low voltage
>
> curtain / shutter release delay? I'm hoping that this might provide more
> support to the problem. Note that camera shutter is easily reset by
> switching to B.
>
>>
>>
>>-----Original Message-----
>>From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx]On
>>Behalf Of John Hermanson
>>Sent: 13 July 2004 13:22
>>To: olympus@xxxxxxxxxx
>>Subject: [OM] Re: OM4 strange electronic buzzing sound
>>
>>
>>
>>The buzzing thing is different than loose ground screws (which cause a
>>chirping in the same tone as the battery check). The first time I heard
>
> the
>
>>buzzing I thought "what's inside that could possibly buzz that way".
>>Tighten bottom cover screws, use chrome battery cap, silver oxide
>
> batteries.
>
>>Sorry, I don't have a solution for the buzzing.
>>
>>_________________________________
>>John Hermanson
>>Camtech Photo Services, Inc.
>>21 South Lane,
>>Huntington, NY, 11743-4714,
>>631-424-2121, www.zuiko.com
>>_________________________________
>>----- Original Message -----
>>From: <Jez.Cunningham@xxxxxxxxxxx>
>>To: <olympus@xxxxxxxxxx>
>>Sent: Monday, July 12, 2004 10:46 AM
>>Subject: [OM] Re: OM4 strange electronic buzzing sound
>>
>>
>>
>>>
>>>Craig: I'm going to have to keep my fingers crossed that the electronic
>>>buzzing just goes away.
>>>
>>>I don't think that will help, but if you have a couple of battery caps
>
> you
>
>>>could put one in each ear...
>>>br
>>>jez
>>>
>>>
>>>
>>
>>
>>
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