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Works through headphones, how do I gdt sound without headphones?

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  • Lisa Crosswood
    Lisa Crosswood Aug 14, 2015

    Yamaha keyboard psr-gx76

  • Lisa Crosswood
    Lisa Crosswood Aug 14, 2015

    Sound used to work beautifully with and without headphones. Haven"t used it for a few years. I must have forgotten how to get sound through the speakers. Lovely sound through headphones. Tried just unplugging them and pressing piano button.

  • Lisa Crosswood
    Lisa Crosswood Aug 14, 2015

    Yamaha par-gx76 is the make and model. No switch near headphones socket that I can see.

  • Becketts Music Ltd
    Becketts Music Ltd Aug 15, 2015

    OK now I have model number I can see this doesn't have this switch. Can you confirm the sound via headphones is playing in both left and right ears. If it is only playing in one ear it could be that you have something stuck in the headphone socket. Often the tip from a plug or adaptor can be left behind. This causes the internal speakers to be bypassed as it "thinks" you want to use on headphones. If it is playing through both ears then this is NOT the case and we need to explore further.

    Try a master reset : With the instrument off : Hold town the top key ( highest sounding ) and turn on. Look at the screen - when it returns to normal release top C. Try and see if this has cleared the fault.

    The next stage would be that damage may have occurred to the amplifier section or something as simple as the speaker have been unplugged or have burnt out. To test this you will need to be confident enough to take your keyboard apart and investigate further.

    See attached picture : GX76undo

    Locate the two speakers and follow the cables back to the main board - ensure they are plugged in - strangely these can work loose in transportation. Connector CNB10 & CNB30



    If you have a multimeter - unplug the cable from the speaker to the main board and measure the resistance across the 2 contacts of the speaker. You should get a reading around 4 ohms.

    If you still haven't solved the problem it is probably an issue with the amplifier chip which will need further investigation by a repair shop.

    I hope this works for you.


    Becketts Music Ltd



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Unplug the headphones. check to make sure there is not a switch near the headphone socket which cuts off the speakers, if there is turn it on.

If you still have no sound then it may be an amplifier problem.

Please report back with model number, I may be able to offer more advice.

Posted on Aug 14, 2015

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  • Music Master
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Please specify the make and model.

Posted on Aug 14, 2015

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