Museum of the Broadcast Television Camera

Marconi MkI Television Camera PSU front and rear

Marconi MkIB Television Camera Power Supply Unit type T-A 174002.

This is the PSU for the camera channel, rear and front views.

The meter on the front panel reads the AC voltage on the main transformer and the input tap switch below the meter was set to the place the meter reading in the "Green". An addtional test meter could be plugged into a jack socket to read the current in individual valves, selected by the lower switch.

The main regulated suppy was 250V DC at 800mA. Plus other voltages.