Step-by-Step Repair of Behringer B215D Active Speaker
Автор: Adrian B.
Загружено: 2025-03-05
Просмотров: 5860
In this video, I take you through the full troubleshooting and repair process of a Behringer B215D active speaker. The unit had a common failure symptom:
✅ Issue: At power-on, the speaker powered up for just one second, during which the green LED flashed once, and a hum was heard from the main driver. This indicated that the power protection mode was activating.
🔍 Troubleshooting Process:
1️⃣ Power Supply Check – Tested for shorts and verified voltages.
2️⃣ Component Testing – Examined all critical components in the power circuit.
3️⃣ Fault Discovered – Found that the IXTP50N25T MOSFET was shorted between gate, source, and drain.
4️⃣ Isolation Test – Removing the faulty MOSFET stopped the protection mode, confirming it as the root cause.
5️⃣ Voltage Verification – Compared readings with the official schematic to ensure all parameters were within spec.
🛠️ Conclusion: The speaker was successfully diagnosed, and the repair steps shown will help anyone dealing with a similar issue.
Diagram link: https://elektrotanya.com/behringer_sp...
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#Behringer #SpeakerRepair #ElectronicsRepair #BehringerB215D #DIYRepair
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