Amfiton 25U 002 one channel does not work
0:00 inspection of the device
4:47 checking the voltage of the power supply
6:19 capacitors
8:47 P2K
10:40 what did you change?
11:26 quiescent current of the output stage of the power amplifier
12:02 checking at the output of the power amplifier 0
13:21 checking the output power and protection
17:24 checking after repair