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[OM] Re: OM-4 battery problem

Subject: [OM] Re: OM-4 battery problem
From: John Hermanson <omtech1@xxxxxxxxxxx>
Date: Mon, 07 May 2007 08:59:48 -0400
The ground screws that come loose that cause beeping are found under the 
top cover.  It is most likely that re-tightening the bottom cover screws 
is what stopped the beeping in your case.  The only screw inside the 
bottom associated with the battery, connects a diode to ground.  This 
prevents circuit damage if batteries are inserted backwards.

___________________________________
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


Mike Lees wrote:
> I had an OM4-Ti with a similar fault. Every so often it would the beeper
> would sound continuously.
> 
> I took the bottom cover off just to have a look if I could see anything
> wrong. I found a screw that was a little loose and since tightening it I
> have never had the problem again. The screw was on the end of a black
> wire. I'm sorry my description is not very good. I'm still find it
> difficult to believe I managed to fix it since I had no idea what I was
> looking for.
> 
> Mike.
> 
> Lukasz Grabun wrote:
>> On Thu, 03 May 2007 23:41:39 +0200, Tom Scales <tom@xxxxxxxxxxxxxxxx>  
>> wrote:
>>
>>   
>>> LR44 = Bad :)
>>> You want 357 or SR44.
>>>     
>> Well, here are more details. The former batteries - which I removed for  
>> they were half-empty (silly me, never ever try to improve on something  
>> that works perfectly) - are labeled GPA76. As I said, they are only  
>> half-empty but when I tried to put them inside again it yielded the same  
>> effect: camera's beeped turned on and wouldn't stop. Interesting thing is  
>> the beeper beeps even though the camera is set to "MANUAL" (or "AUTO"). It  
>> wouldn't go off no matter what. Even more interesting: sometimes  screwing  
>> the cover tighter turned off the beeper, it had to be "loosened" a bit to  
>> make the camera beep. Also, it beeps when I *touch* the battery that I  
>> placed in the slot with the other battery, holding it vertically.
>>
>> OM-2n seems to like LR44 and operates smoothly :-)
>>
>> Anyway, I'll try to get SR44s but somehow would put some more light into  
>> the case, I'd be most grateful.
>>


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