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Okolice Bluesa • Wyświetl temat - usterka w Peaveyu Classic - prośba o pomoc
Strona 1 z 1

usterka w Peaveyu Classic - prośba o pomoc

Post: grudnia 21, 2008, 5:40 pm
autor: kozee

Post: grudnia 22, 2008, 10:31 am
autor: leszekblues

Post: grudnia 27, 2008, 8:27 pm
autor: kozee

Post: grudnia 27, 2008, 11:14 pm
autor: Tomek D.
Spróbuj podłączyć się do wejścia powrotu pętli efektów "return". Wtedy cały preamp jest ominięty, działa jedynie lampa V3 (odwracacz fazy) i lampy końcowe mocy. Wszystkie potencjometry przestają działać, jesteś wpięty bezpośrednio do końcówki mocy. Możesz spróbować pozamieniać lampy ECC83 miejscami. jeżeli któraś jest uszkodzona powinno się wyjaśnić która. Jeżeli natomiast będzie cały czas tak samo jak było, oznacza to, że problem najprawdopodobniej dotyczy końcówki mocy.
Jeżeli będzie działać, oznacza, to że uszkodzenie jest w preampie.
Napisz jak przetestujesz i wtedy będziemy dalej myśleć co robić...

Post: grudnia 28, 2008, 12:20 pm
autor: kozee

Post: grudnia 28, 2008, 2:06 pm
autor: Tomek D.
właśnie cały problem polega na tym, że nie wiem która to jest lampa. Nie mam takiego wzmacniacza, a w internecie nie udało mi się znaleźć jego szczegółowych zdjęć. Na schemacie jest oznaczona V3, jest bardzo prawdopodobne, że to ta trochę na boku. Peavey Classic 50 ma 3 lampy ECC83, więc to musi być jedna z nich. Możesz spróbować wyjąc tą lampę i włączyć wzmacniacz, podpinając się do wejścia "return". Jeżeli jest ona odwracaczem fazy to wzmacniacz nie będzie grał.
Możesz już mieć pewność, że końcówka mocy jest w porządku. To ważne dlatego, że jej ewentualne uszkodzenie jest zwykle kosztowne w naprawie.

Post: grudnia 28, 2008, 3:08 pm
autor: kozee

Post: grudnia 28, 2008, 4:50 pm
autor: kozee

Post: grudnia 28, 2008, 11:03 pm
autor: Tomek D.

Post: grudnia 29, 2008, 12:24 am
autor: kozee
dzięki Tomek :)
zobaczymy jaka będzie diagnoza, jestem ciekaw co sie posypało
pozdrawiam

Post: grudnia 29, 2008, 7:04 pm
autor: Tomek D.

Post: grudnia 30, 2008, 12:45 pm
autor: kozee

Post: grudnia 31, 2008, 6:07 pm
autor: kozee

Post: grudnia 31, 2008, 7:04 pm
autor: Krzyś fishbone Grajczak
i żyli długo i szczęśliwie :)

jak dobrze słyszeć że obyło się bez większych napraw i wydatków :) znaczy się że peavey classic się wybronił! i nadal można myśleć że to solidna konstrukcja :)
pozdr

Re: usterka w Peaveyu Classic - prośba o pomoc

Post: stycznia 14, 2009, 12:22 am
autor: robert