Sửa amply mất tiếng, cách tìm nguyên nhân amply không ra tiếng

The amplifier has no sound, the sound is completely lost, there are a number of main causes on the power board or on the master board. This video describes how I found the location that caused the sound loss of the Cali amplifier. This phenomenon of losing sound of the amplifier often occurs on old amplifiers, with a long life and working time. --------------------------------------------------------------------------------------------- © This is the original video Copyright belongs to Manh Nguyen © Copyright by Manh Nguyen ME 👉 Do not Reup -------------------------------------------------------------------------------------- #ManhNguyen #ME #amplykaraoke #amplygiare #amply #amplynghenhac