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am3riknul

TeleView model TV55 110T

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TV55110T : sursa-TDA 4605-3,tz comutator din sursa 2SK2645(mos-fet),tz-final linii BU2507DX,jungla-STV2116A,baleaj vertical-TDA8174A,procesor-S3P8837DZZ-AQB7 Am facut verificarile necesare sursa fc bine si poate regla tensiunea B+ (85V...140V)-folosind ca sarcina un bec 100w/230v,cond 47mf/160v,cond 100mf/160v,cond10mf/250v(toate au fost inlocuite cu altele noi) Simptom: La connectare,ledul trece din stand-by (culoare rosie intensa)...in culoare rosie mai slaba,oprit din telecomanda ,revine in stand-by.Nu apare rastru,nu se incalzeste excesiv nimic,impuls out H (pin 36-ci jungla STV-2116A ajunge in baza tz driver-BH. Ma poate ajuta cineva sa-l fac sa functioneze acest televizor? Va multumesc anticipat pt ajutor si intelegere .

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Impulsul H ajunge in baza driver ca nu am inteles?Daca da verifica alimentarea driverului si daca in baza linii ajunge impulsul.Poate fi chiar tranzistorul driver defect.

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