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  Eu tot zic sa le realizeze cu componente discrete dar....... :95 .Daca e defect numai tz. intern comutator,se taie capsula la jumatate,(cu flex,ferastrau,beschie,ce vreti dv.-atentie sa nu va raniti)si se urmareste indepartarea scurt-ului dintre picioarele 2,3si 4.Se conecteaza un tz.ext. cu baza la 2,col la 3 si e la 4-BU508,BU208 sau ce va lasa inima  :rade:

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Am inteles ca nu e in scurt,dar e posibil ca intreruperile sa le faca chiar tz.intren comutator(in capsula se afla o placuta ceramica cu componentele de mica putere-in partea inferioara-si tz.comutator-in partea superioara).Taiati la jumatate capsula(integratul oricum e defect,nu aveti ce pierde),pana ajungeti la baza de cupru,si urmariti intreruperea tz.de restul capsulei(masurand cu multimetru 2 cu3 si 2 cu 4-b/c b/e).

Montati STR pe radiator,apoi conectati un tz.extern,cum am zis mai sus.

" indepartarea scurt-ului dintre picioarele" - nefericita ... exprimare ! :rade:

Problema arzatoare este intre picioarele(ma scuzati pinii)... STR-ului :ras: Edited by Andrei Tabacaru
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