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how would I check a new pre wired eq for faults

Discussion in 'Pickups & Electronics [BG]' started by robot10, Jan 16, 2013.


  1. robot10

    robot10

    Jan 16, 2013
    Fitted a 3 band eq to my p/j style bass and it only works with the jack slightly pulled out and the eq controls don't seem to alter tone , every thing is new except the pick ups which have always worked fine before hope some one came help thanks in advance.
     
  2. Andyman001

    Andyman001 Supporting Member Supporting Member

    Feb 11, 2010
    Long Beach, CA
    A lot of pre-amps use a TRS (stereo) jack to connect the battery to the circuit using a mono instrument plug.

    If you can, insert a plug an check that the contacts are contacting the plug.
     
  3. robot10

    robot10

    Jan 16, 2013
    I have plugged a jack in and can see its touching all 3 terminals but as soon as the jack clicks in the sound goes, and it is a stereo jack it came pre wired
     
  4. Andyman001

    Andyman001 Supporting Member Supporting Member

    Feb 11, 2010
    Long Beach, CA
    All I can suggest is to look at all of the solder joints. Thats all I got.
     
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