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ELFORUM - Forumul electronistilor

Benq FP71G


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Buna ziua!Acest monitor dupa schimbarea condesatorului C708 1000uF/10V a functionat corect iar a doua zi la pornire functioneaza corect aproximativ 30 secunde si se opreste .Tensiunile de 5V si 15V raman siguranta este buna ,piesele invertorului sunt bune condesatori schimbati cu altii noi .La o noua pornire functioneaza corect dar se deconecteaza dupa cateva secunde 30Ma poate ajuta cineva cu un sfat ?Multumesc Nostrom

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  • 2 weeks later...

am patit la fel cu un benq fp737s.rationamentul meu:ceva se incalzeste si se dilata.am luat o lupa foarte puternica si am vazut clar cu ea o lipitura desfacuta circular in jurul unui piciorus de circuit integrat.am lucrat fara schema.eventual se poate ca unul din tranzistoare cind se incalzeste sa i se intrerupa o jonctiune.daca ti se pare prea simplu nu ma baga in seama.

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