Recommended · for advanced
How to find short circuit component without spending $6k on FLIR cam.
Why people recommend it
Louis Rossmann's laptop repair session is recommended for tracing a shorted component by injecting current and spotting the part that heats, including with evaporating alcohol.
Watch for: Start with low voltage and correct polarity on your board
In their words
But the first order is a fingertip test, see [video] at about 15:01'.
Ale..chenski on electronics.stackexchange.com, Jul 2017. CC BY-SA.
