I got an old projector screen with motor to open/close it automatically, working on 220V. I'm opening it up to review it, but got a mysterious component.
Anyone an idea what this is at what it serves? I suspect it is a capacitor.
Cbb22
135? / 630V

@pietervdvn pretty likely. Get a multimeter and measure its capacitance and then try to replace it by a new one with similar ratings, to be on the safe side.
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The red component looks like a capacitor yes, don't they, generally help to smooth out voltages esp if converting AC to DC via a bridge rectifier.