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sursa sasiu Vestel 11ak30 defecta

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Citeste omule cat este R818! La 2,2k avem 115V iar la 2k avem 126V.

Divizorul de tensiune:

(115v x 2,2k) / (99k+2,2k) =2,5v---referinta lui tl431

(126v x 2k) / (99+2k) =2,495v

Am mai prezentat calculul asta odata dar fugiti de teorie ca unul negru de tamaie.

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