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What could be wrong with a Wurlitzer D-172 Concert digital music system, that only hums when poer is on.

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  • jrb108 Apr 20, 2009

    Thanks for the info,I am not where the organ is located. My Friend says it has always had a hum when turned on,but it was moved from the house to another room and there is no music.



    Jrb

  • jrb108 Apr 20, 2009

    Thanks for your quick response.

    jrb108

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Hi jrb,

a great piece of instrument i may say.

the humming is usually cause by a loose connection on the input that causes ground, which as an output causes the humming sound.

The d-172 is digital, but tone generation uses analogue.so this will provide you limited areas to check. if you have the instrument opened, you may want to carefully vacuum clean it and have the lines checked starting from the on/off circuit to the tone generators.

as far as diagram goes. this instrument was released in 1981, and the repair manual is a little expensive but if you have one, you can refer to is on what is the best way to check a loose line in the instrument.

good luck, i sure hope you get this one running. (and post some pictures of it :) )

thank you for using fixya.

regards,

voodoo

Posted on Apr 20, 2009

  • marlon john madrid
    marlon john madrid Apr 20, 2009

    thanks for replying jrb,

    we are looking forward to getting the issue resolved. please let us know of any progress when you are in the location where the organ is.

    feel free to accepts any solution posted for your question and thank you for using fixya.

    regards,

    voodoo


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