inside a cordless drill (with schematic & gearbox autopsy)

Li-ion drill charger analysis (with schematic, measurements, waveforms)

Drill Repair

Inside a Drill + "repair"

How a cordless drill works

Laptop power supply with PFC - teardown and repair (BOOM!)

Cordless Electric Drill Speed Control - Stripdown

Inside Fujiyama cordless drill CD9812L

Сборка редуктора шуруповерта Deko gcd12du3, замена втулки на подшипник

How to Replace Cordless Drill Motor - DC 550 MOTOR

Cordless Drill Disassembly (English Subtitle)

Restoration Cordless Drill - Parkside PABS 20 Li D4

Driving DC Motors with Microcontrollers

#307 Diode Tester with Voltage Display

Fix drill - parkside psbsa 18-Li A1 (video 54)

No Power on a Cordless DRILL - Tea Break Fix

Cool idea! Do not throw away broken drill machine!

Ni-Cd to Lithium Battery and Charger Conversion | NiCd / Ni-MH Battery Repair

Restoration Milwaukee 18v Drill - Hồi Phục Máy Khoan Milwaukee 18v Quá Chất - Máy Mỹ Chất Lượng Mỹ.

How to make cordless screwdriver

Switching power supply repair. Testing transistors & diodes.