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TELEFUNKEN TF-LED50S7T2 ремонт подсветки


AVL68

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TELEFUNKEN TF-LED50S7T2

Panel: CX500DLEDM

LED Backlight: ZDCX50D14L/R-ZC14F-01

PSU: AY160D-4HF12-082

Main: CV9202H-T

Пришел с диагнозом: "Темный экран, звук есть"

Ну что? быстренько вскрываем панель

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быстренько меняем диоды(штук 20, если повезёт)

 

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Измеряем ток 610mA

 

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Снимаем R40F (отмечен на фото), получаем 300mA

 

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Два дня на прогоне, полет нормальный

 

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Завтра домой!

 

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