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ELFORUM - Forumul electronistilor

Termostat C7 - lipsa iluminare display


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Are fie retroiluminare cu leduri, fie electroluminescenţă.Trebuie măsurat la bornele ledurilor dacă apare tensiunea de alimentare.E posibil să se fi întrerupt conexiunea sau un led.Dacă are folie electroluminescentă, aceasta e alimentată de un mic invertor, cu o tensiune de câteva zeci de Volţi.Trebuie verificat dacă există alimentare corespunzătoare.Fără să-l desfaci, nu avem de unde şti ce problemă are.Desfă-l şi fă poze clare de aproape cu placa şi display-ul.

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