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HOLMES REBUILD PROJECT

Switch Box


Holmes projector switch box modifications
LEFT PICTURE

Plate fabricated to replace the original AC cord and lamp sockets.


RIGHT PICTURE

New fabricated plate mounted on switch box, grommet's installed on plate. New exciter lamp and sound pre-amp power transformer mounted.







Holmes projector switch box modifications

Terminal strips installed ready for wiring. All connections are soldered with the exception of the motor and lamp switches that are screw connections.






Switch box wired and installed on projector. All wiring from the Lamp House and other circuits terminated in the box.
The 2 blue capacitors at the top of the box are filter capacitors for the pre-amplifier supply. The bridge rectifier below the 2 capacitors supplies DC for both the pre-amplifier and the exciter light. Filtering capacitors for the exciter light are located in the lamp housing.

Holmes projector switch box modifications



Holmes projector wiring