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iod2

montor LCD Acer P221W

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dupa cateva secunde se incalzesc tare dionda d802 si zd803.tesiunile sunt prezente pana sa se incinga diodele. schema nu am reusit sa o incarc.

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Astea sunt in zona invertorului ?Ai verificat , separat lampile ?Controlerul este OZ9938 ?

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Astea sunt in zona invertorului ?Ai verificat , separat lampile ?Controlerul este OZ9938 ?

Schema e pe elektrotania verifica cele 2 cond in jurul la d802 parca au 47mf sa nu fie devalorizate

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in locul rezistentei e o sarma, condul loate e intrerupt, o ii pun altul.

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pana se incing diodele functioneaza. am tensiuni in secundar ledul fe face albastru apoi incepe sa palpaie si scade in lumina si poi se stinge. traful caraia .

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pana se incing diodele functioneaza. am tensiuni in secundar ledul fe face albastru apoi incepe sa palpaie si scade in lumina si poi se stinge. traful caraia .

Diodele le-ai inlocuit?tz choper si rezist spre masa devalorizata? cond de 1-2 kv din jurul tz el nu se ambaleaza termic?

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off topic. continuam dimineata cu discutia despre el ca am plecat de unde el.

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