Electronics > Repair

Help repairing Boston acoustic Msubwoofer(no sound output) (pics)

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amanosalva:
Hi. Thank you for sharing schematics. In my case i changed R09, C11 and C12, now the delay relay works fine. The resistors chargle slowly the capacitor and after a fiew seconds the transistor can push up the relay. is a simple delay function. Regards from Chile.

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