Museum of the Broadcast Television Camera

Marconi MkIX Television Camera, camera PSU units

Marconi MkIX Television Camera, camera PSU units type B105-3266-01

The camera power supply module. This is an inverter that converts the 200 volts DC from the main channel PSU to the voltages required by the camera circuits. There is a feed back signal to the channel PSU to compensate for load variations and the length of camera cable.

The outputs are:-
+950V, +300V, -350V, +50V, +30V, +15V, -15V, +8V, +5V, (+15V, -15V floating for the lens)

The MkIX camera PSU appears to be more reliable that the MkVIII one.