Quick diagnostics TNY274 - 280, TNY375 - 380

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Θεοδοτος (Феодот)

Published on Sep 22, 2024
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It is very easy to diagnose the malfunction of the TNY274 - 280 and TNY375 - 380 pulse power controllers, just measure the voltage drop between the first and eighth terminals in the diode test mode. If the drop is less than 100 mV, the controller is faulty and must be replaced. Video of the repair of a board from Melitta Barista with a malfunction of this controller: • Melitta Barista does not turn on, repair...

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