Published 22 Jan 2024

SDR-036

\\ {{ electronic:equipment:tool:dsc_0897a.jpg?200|SDR-036 overview}} ^ Tool data || ^Type|Drill| ^Model|SDR-036| ^Manufacturer|Ozito| ^Date| | ===== Components ===== * Charger 6V DC 300mA * Battery C18650P 1300mAh LI-ION 3.7V * Motor [[:electronic:actuator:dcmotor:rs380s|RS380S]] DC3.6V DA PULY * Battery monitor PCB * IOR FR3709Z High Frequency Synchronous Buck Converter ===== Examples ===== {{:electronic:equipment:tool:dsc_0889a.jpg?800|SDR-036 front}} {{:electronic:equipment:tool:dsc_0888a.jpg?800|SDR-036 back}} {{:electronic:equipment:tool:dsc_0891a.jpg?800|SDR-036 front}} {{:electronic:equipment:tool:dsc_0890a.jpg?800|SDR-036 back}} ---- ===== Tear down ===== {{:electronic:equipment:tool:p1213504a.jpg?800|SDR-036 interior}} {{:electronic:equipment:tool:dsc_0893a.jpg?800|SDR-036 disassembled}} {{:electronic:equipment:tool:dsc_0894a.jpg?800|SDR-036 electronics}} {{:electronic:equipment:tool:p1213516a.jpg?600|SDR-036 main pcb board front}} {{:electronic:equipment:tool:p1213515a.jpg?600|SDR-036 main pcb board back}} {{:electronic:equipment:tool:p1213519a.jpg?400|SDR-036 charge monitor pcb front}} {{:electronic:equipment:tool:p1213518a.jpg?400|SDR-036 charge monitor pcb back}} {{:electronic:equipment:tool:p1213508a.jpg?600|SDR-036 motor}} ===== Fault finding ===== The battery wasn't charging, but the charge light came on red, and the battery could still power the lighting LED at the front and the motor. It turns out that Q2 was blown: {{:electronic:equipment:tool:p1213513.jpg?400|SDR-036 faulty transistor}} ====== References and Additional Resources ====== \\ \\

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