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lexsus

defect ciudat la tv LG

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va rog sa ma ajutati sa elimin un defect la tv LG GOLDEN EYE model CF-21D30X cu sasiu MC64B...(defect tipic pentru acest sasiu)am ilocuit c filtraj trafo driver de 1uF/160v cu unul de 2.2uF/250v...functioneaza cu mentiunea ca la intervale de timp neregulate se intuneca imaginea treptat si brusc isi revine

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Atunci cand se intuneca imaginea se modifica tensiunea de filament ? De refacut lipiturile pe soclul tk.

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un alt defect tipic la acest sasiu este contact imperfect la pinii trafo linii mai exact pinul heater(filament).se refac lipiturile la traf si se urmareste circuitul de filament pana la soclul tubului.defect intalnit de mine la mai multe lg-uri cu mc64.

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va rog sa ma ajutati sa elimin un defect la tv LG GOLDEN EYE model CF-21D30X cu sasiu MC64B...(defect tipic pentru acest sasiu)am ilocuit c filtraj trafo driver de 1uF/160v cu unul de 2.2uF/250v...functioneaza cu mentiunea ca la intervale de timp neregulate se intuneca imaginea treptat si brusc isi revine

Am refacut lipiturile de pe soclu tk si trafo linii si defectul persista

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multumesc pentru ajutor primit...am rezolvat,am refacut lipiturile pentru filament pe sasiu si sasiu tk

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