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Mihalache

Probleme cu un alimentator SMPS

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Buna! Cum am spus deja o sa pun un topic cu alimentatorul:

post-249263-0-52184900-1456782973_thumb.jpg

post-249263-0-23199400-1456783015_thumb.jpg

Acest alimentator nu ami functioneaza al verificat integratul nu e de vina.

Am verificat puntea de diode si condensatorul nu au probleme.

Circuitul este acesta :

post-249263-0-46947900-1456783141_thumb.png

Ce trebuie sa mai verific ?

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Buna! Cum am spus deja o sa pun un topic cu alimentatorul:

Posted ImageWP_20160228_17_49_23_Pro (FILEminimizer).jpg

Posted ImageWP_20160228_17_49_46_Pro (FILEminimizer).jpg

Acest alimentator nu ami functioneaza al verificat integratul nu e de vina.

Am verificat puntea de diode si condensatorul nu au probleme.

Circuitul este acesta :

Posted ImageCattura.PNG

Ce trebuie sa mai verific ?

Schimba optocuplorul,succes!

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Cum poti fi asa sigur ca integratul este in regula? In afara faptului in care l-ai pus intr-un alt montaj functional si a mers, altfel nu prea vad cum poti fi sigur.

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