Museum of the Broadcast Television Camera

Marconi MkVIII Television Camera PSU drawer

Marconi MkVIII Television Camera PSU type B3218

The voltages for the CCU are conventional linear supplies.


The Camera supply is a nominal 180 volts depending on the cable losses. This is controlled by a series switching triac according to the control signals from the camera.

If the selector switch is set to camera current the meter should indicate in the Green range, if it does not is is a sign of trouble.

The PSU has side cheeks that are bolted to the 19" rack and the PSU can be slid forwards and lifted up and out.