Beolab 5000 Active Speaker – pulsating on and off

[Carl Mohajer]

I wonder if anyone has any experience of the B&O Beolab 5000 active speakers. The fault I have is as follows: If the display panel is plugged into the 8001032 pcb, when you switch on, the speaker immediately pulsates on and off and on and off etc. If you unplug the display from the 8001032 pcb, the speaker works fine. If I swap the 8001032 pcb for one from another speaker, everything works fine. All components physically look ok and no dry joints.

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