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1

Sch*matics of the A*7 exist online, enough said. Pin 17 is switched from the UNREG_ACC bus via a power MOSFET Q6502 controlled by the IRIS0 pin of the main SOC. UNREG_ACC is switched by another power MOSFET Q6501 controlled by power controller IC6501 straight off the battery. There is an 1.6 amp fuse F0006 protecting that bus. This fuse does not appear to ...


1

If it shorts the front contacts, there may be damage. Your camera uses the Sony Multi-Interface Shoe (MIS), which has a whole lot more contacts than the hot shoes found on other brands. One pin in particular brings the full, unregulated battery power, with a 1.6A fuse (Pin 17 in the Wikipedia link above). If this pin is shorted to ground (such as the ...


2

Maybe. To be absolutely sure not to damage your camera, you can place a piece of self-adhesive plastic tape over the bottom plate of the accesory shoe to prevent any electrical contact between the metal plate and the camera contacts.


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The hot shoes I am familiar with are designed to accept metal cold shoes. You can tell by looking closely at the shoe on the camera, the contacts will be slightly recessed and only have contact when connecting a device that has contacts meant to push into these recesses. Also, hot shoes should have a protection circuit in them as well. Cameras can get ...


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