Contributor I

playbar : bass lost after PSU “repairs”

2 replies
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Hi,

I had issue with playbar : whistling noise coming from power supply unit - transformator. I have used epoxy resin to cover it up and noise is barely hearable. epoxy flowed a bit to a diode and surrounding components just 2cm not more ( would this cause issues?)

However :

after this I connected it all again and I bass lavel is very low.
void this be because of psu fault ? Resin on pcb ? I connected all speakers correctly .
all speakers vibrate and works but I can’t hear enough bass .
please help !

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buzz

Grand Maestro

Could the woofer be out of phase? Sloppy resin might upset the cooling plan, but I don’t think that it would immediately cause your issue — unless the resin is conductive.

AjTrek1

There are lots of connectors associated with the Playbar. It’s a project I would not attempt so congratulations to you. I suggest you watch some of the Playbar tare-down videos on YouTube to see if you may have missed or misaligned a connection strip.

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