Why Optocoupler's are used on Switch Mode Power Supply boards. True Optocoupler testing.
28:07
How To Repair A Switch Mode Power Supply Without Blowing It Up!
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Prueba de optoacoplador muy simple, prueba de optoaislador
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This Power Supply is dead. Can I fix it?
45:58
I thought this Power Supply was fixed. I was WRONG!
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352 Feedback SMPS Switch Mode Power Supply, Optocoupler & Programmable Voltage Reference
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Every Component of a Switch Mode Power Supply Explained
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How to identify the right optocoupler. " Power supply Modification"
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