I am a semi novice at electronics diagnostic, I saw a repair on YouTube where the buy used a HP Precision Variable DC Power Supply giving the system 3.4V and 10A to get the board to heat up to find the short to ground using his finger touch. Then he used alcohol to see the actual component that was he hottest. Now the guy does sound like a pro at this so my question is can I purchase a 30V 5A 110V Precision Variable DC Power Supply to perform this for future repairs or is the 10A better? Thanks in advance.
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