bigclive

Fixing a faulty tachometer (Patreon)

Published:

2023-01-26 02:36:41

Imported:

2023-02

Content

Veterans of electronic repair will be very familiar with this fault.

Clue - The unit was pretty much short circuiting the battery.

First real-world use of my new Infiray P2 pro thermal camera, and it found the fault instantly. Louis Rossmann sometimes uses a squirt of isopropyl alcohol to do the same job. It evaporates quickly from the hot component.

Alternatively you can just probe the components on the PCB with a thermocouple while running it on a current limited supply, until you find the hot one.

https://www.youtube.com/watch?v=fcdBjBltn9I

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Fixing a faulty tachometer

As components get smaller and smaller I'm seeing an increase in a specific failure mode where equipment dies with a very high current draw. And it's all down to one non-semiconductor component. This is the first task for my new Infiray thermal camera module. It performed flawlessly. If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- http://www.bigclive.com/coffee.htm This also keeps the channel independent of YouTube's algorithm quirks, allowing it to be a bit more dangerous and naughty. #ElectronicsCreators