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Stuart Willis

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Posted on Sunday, October 31, 2004 - 07:04 am:   

For whatever it is worth.
The Spotmatic uses two CDS cells wired in parallel. If therefore one of them has gone short circuit - then the total array is then short circuit. Since the Spotmatic will work just fine on one cell - it is perfectly feasible to just totally isolate the bad one.

If you are using the correct battery for the camera then it would be a mercury cell of 1.3v.
The spotmatic will however work perfectly on a Silver Oxide 1.5v cell of the same physical package.

Also - it is conceiveable that the hot wire from battery compartment to the first soldered connection on the electronics, has black wire corrosion (cores corroded to a non conductive and non-solderable black powder) This is typical of aged cameras which use mercury cells. In such instance you will need to replace the wire.

Hope this helps

Stuart Willis

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