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Plasma Samsung ps50c430a1w "Weak Signal/No Signal"

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Buna ziua!acest tv prinde toate canalele si cele digitale dar dupa programare se tot intrerupe semnalul inclusiv si cele analogice merg foarte slab, iar cele digitale fac acele patratele apoi revine imaginea .

Puteti spune ce poate fi?Tunerul ?sau trebuie updatat?Am dat si factory reset.Tensiunile le-am masurat si sunt ok.

Va multumesc.

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Am relipit tunerul ,ba chiar am desfacut si am relipit si in interior,tensiunile pe stabilizatoare sunt ok.


am masurat si tensiunile pe pinii tunerului.Singurul care se tot modifica este tensiunea AGC.In rest toate sunt stabile.

Pe un pin scrie 33V acolo am doar 30V.

Edited by attilaa0
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vezi ca ai undeva in meniu signal attenuator sau ceva de genul. la mine daca este dat pe off face exact cum descrii tu. daca ai optiunea asta joaca-te la ea si vezi ce si cum. nu am samsung, am panasonic, dar poate poate...

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