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tv vortex V21UA3 defect alimentare


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TV (NO NAME) China

șasiu P1470A06


UOC - TDA11136PS/N3/3 (NT11136PC301BG)

Memorie - FT24C08A

SMPS - 2SC5386

Vertical - LA78040

Sunet - TDA2003

Tuner - ET-5EE-K04


Tube - A51EMW032X0A1

FBT - BSC27-F1429T

HOT - 2SC5296

RGB Amp. - 2SC2482


La pornire incepe sa scadă treptat +B de la 110V la 56V

si 24V la 8V ,iar tensiunea de 12 V la 4,5 V

Cauza : tranzistor defect V515 (2SB764)

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  • 5 weeks later...

Va rog o schema pentru acest sasiu daca se poate si cum se poate intra in service meniu (cred ca este o tasta ascunsa), am un televizor care nu mai prinde posturi pe banda b1 , am presupus ca selectorul et-5ee-k04 este defect , se poate inlocui acest selector cu uv1316/a ?

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