Archived posting to the Leica Users Group, 2003/09/07

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Subject: Re: [Leica] Electronics vs. mechanics
From: Karen Nakamura <>
Date: Sun, 7 Sep 2003 22:46:04 -0500
References: <>

>The failure curve of electronic equipment is entirely different from that of
>mechanical equipment.

That's true of electronic equipment that doesn't move (computers, 
VCRs, TVs, etc.), but what I've found found with Classic Cameras of 
the 1960s is that the prime failure point is in the metering 
mechanism, especially the solder joints.  Much solder is susceptible 
to what looks like chronic fatigue cracking, especially where the 
leads meet the PCBs.


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Karen Nakamura
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