repair-circuit-board

8 месяцев назад

This video provides repair tips for the indoor circuit board of a Haier mini split air conditioner. The presenter explains the different voltages present in the SMPS circuit and where potential faults might occur. By checking the voltages and surrounding components, you may be able to fix your circuit board.

4 года назад

This video demonstrates a technique for repairing damaged or missing PCB pads. The presenter shows how to carefully remove pads from a scrap board and graft them onto a board with missing pads. The process involves scoring, tinning, and soldering the pads in place, resulting in a seemingly invisible repair.

9 месяцев назад

This video shows a repair of a washing machine PCB board that has no power. The repairer uses a multimeter to diagnose the problem and identifies a short circuit. They then remove and replace components, including a resistor and an IC, to fix the short. The repairer tests the board with a light bulb to ensure there are no shorts before powering it on.