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TPA3255 Testing the boards.
I picked 4 channel board to inspect components are they matching the reference design recommendations.
00:00:00 Visual inspection
00:02:26 TL072 datasheet
00:04:13 XL7005A datasheet
00:05:32 Power supply
00:06:51 Storage capacitor
00:07:06 Output filter
00:07:13 Going live
00:08:18 Measuring
00:16:16 Output filter components measurements
00:18:28 Summary