crwdns2915892:0crwdne2915892:0
There was no output from the Right speaker RCA output jack, so I disassembled this to try to diagnose the problem.
Confusingly, the Right audio output jacks is located to the left of the Left audio output jack.
crwdns2942213:0crwdne2942213:0
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Turn the subwoofer so that you can see the front metal panel of the plate amp. Using a #2 Phillips screwdriver, remove the 8 screws on the perimeter of the plate amp.
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CAREFULLY and gently pull the plate amp towards you until you remove it from the enclosure. Do this gently and slowly, so as not to tear/stress the red and black speaker cable going from the subwoofer driver to the plate amp (in middle of photo).
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The inside of the subwoofer enclosure, showing speaker wires to woofer and woofer itself.
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Top view of the plate amp showing the transformer, heatsink, power inputs, woofer connector, and a capacitor.
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A closeup of the amp heatsink, showing the woofer connector, and a capacitor.
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Side view of the amp, showing the transformer, LM7805 voltage regulator, power inputs, and a ferrite bead.
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Closeup of LM7805 voltage regulator and capacitors nearby.
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Closeup of two capacitors near bass rotary control POT.
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Two pairs of (diodes?) near power connector.
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Pair of capacitors near power connector.
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Components behind heatsink.
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Bottom of amp circuit board showing traces and part numbers.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
