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Chinon DS300 motor stopped suddenly

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  • Chinon DS300 motor stopped suddenly

    I recently got a Chinon DS300. It was working fine then motor stopped suddenly. It is like fuse problem but all 3 x fuses are OK.
    - The light comes up but motor doesnt move

    My checks
    - There is no power on the cable connected to the motor when I turn on the projector.
    - Motor doesnt have a problem, I tested it with an external power supply and works independently

    I suspected bridge rectifier, start/stop capacitor, motor conrol transistor (D313). The last thing I suspect is the function selector switch.
    - Does anyone have any idea whether there is a secret fuse or did anyone face similar issue?
    - Does anyone have connection diaghram or a picture of how cables are connected to the switch?
    Attached Files
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