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Sursa alimentare fax defecta


Guest ivovi
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Guest ivovi

Am un fax Philips la care s-a defectat susrsa de alimentare, am schimbat 3 condensatori care erau umflati dar tot nu vrea sa mearga in sensul ca tensiunile de la iesire fluctueaza mult (14V-16V sau 8V-10V) la fel si tensiunea Vcc de pe uc3842B 10V-14V (aici nu ar trebui sa am o tens stabilizata de 14V?) Unde ar putea fi  problema?

Mentionez ca sunt novice in ale elctronicii dar mi-ar place sa mai invat cate ceva in timpul liber

Multumesc!

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Edited by ivovi
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