12V Hirose power connector pinout and limitations on Sony broadcast cameras

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2004Cameras (Film/Video/HD) forum

22 years old. Gear and prices may have changed since.

The camera-mounted receptacle is female, requiring a male Hirose connector such as HR10A-7P-4P
Pin 1 carries ground and pin 4 carries 12 volts on this connector
The 12V output is current-limited to approximately 250 milliamps and will trip the camera's main breaker if exceeded
This low power output works reliably for wireless microphone receivers but cannot support high-draw devices like LCD monitors, teleprompters, or onboard lighting
Heavy-duty power applications should use the separate battery plate's PowerTap connector instead, which draws directly from the battery pack and bypasses camera electronics

The exact current limit specification of 250 milliamps is stated as approximate
Fuse replacement requires professional technician service and cannot be performed by users
The information is specific to Sony broadcast camera models but generalized applicability to other manufacturers unknown