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SAMSUNG LE20S53BP нет звука


AVL68

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SAMSUNG LE20S53BP

Panel: A201SN02
PSU: BN44-00115C
Main: BN41-00641A, BN94-00747F

Поступил в ремонт с проблемой нет звука, периодически пропадал и пропал совсем.

На IC600(TDA7266D) 6,15pin не поступает напряжение 9V c DC/DC преобразователя IC110(MP1410ES)
Обрыв R173=6k8

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