Mackie Thump TH-12A No Output or Power (Blinking Lights) Diagnosis + Repair | The Amplified Bench

Fixing a power problem in the Mackie Thump TH12A powered speaker. There is no sound output and the unit blinks ON and OL about every second. I show the teardown, find the component causing the fault, and repair it. Devcon Plastic Welder: https://amzn.to/4i3YR7n Soldering Braid: https://amzn.to/3XxD7aj Flux: https://amzn.to/3LPacfi Solder: https://amzn.to/44ipfED Hot Air Rework Station: https://amzn.to/4pjUtDv Test Audio Amplifier: https://amzn.to/3XzLClb "As an Amazon Associate I earn from qualifying purchases"