EEVblog 1714 - Presonos Eris Speaker REPAIR (Capacitor Pop)

Classic intermittent "popping" noise from this Presonos Eris 5 studio monitor speaker. Electrolytic Capacitors are suspect number one. 00:00 - Faulty Presonos Eris 5 speaker. Classic "popping" sound. 03:48 - Teardown 07:16 - Testing for popping again 07:36 - Testing for hiss 08:32 - Rectified voltage testing 09:34 - Woah, that's that? 10:26 - Getting the PCB out 10:55 - A look at the PCB under the microscope TAD7294: https://ift.tt/7ips1WQ 13:15 - Missing parts 14:39 - Removing the capacitors 16:00 - Measuring the main filter capacitors 17:14 - The Preamp PCB 18:08 - What is the most likely culprit? 20:21 - In-circuit ESR testing 21:32 - All new capacitors 24:15 - Soldering in new caps and testing 25:38 - What did I goof? 27:57 - Conclusion Forum: https://ift.tt/xXy3MQR Web Site: http://www.eevblog.com Hardware Store: https://eevblog.store/ Merch Store: https://ift.tt/lPN7UId If you find my videos useful you may consider supporting the EEVblog on Patreon: https://ift.tt/8HN36CB Other channels: EEVblog2: http://www.youtube.com/EEVblog2 EEVdiscover: https://www.youtube.com/eevdiscover #ElectronicsCreators

source https://www.youtube.com/watch?v=xVp7yund84w