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Yamaha PSR e 403 not working

Discussion in 'Troubleshooting and Repair' started by [email protected], Sep 8, 2018.

  1. Vinay@4vineet

    [email protected]

    1
    0
    Sep 8, 2018
    When I switch on my Yamaha PSR e 403 blue led of display lights but voice and style button does not light up. Nothing is coming on display and no any button is working.I have checked 12v and 6v ok also I am getting 3.3v 2.5v and5v ok but keyboard not working.please help me to solve this issue
     
  2. Nisar-von-Voltenbräackter

    Nisar-von-Voltenbräackter

    36
    3
    May 23, 2018
    Definitely a power failure somewhere. Do you get any headphone noise? I presume you turned volume up ... Also, checking it on battery power versus AC cord power may be useful.

    You could get lucky and find a connector unplugged.

    The service manual can be obtained for personal use online. Send email if you need a link.
     
  3. davenn

    davenn Moderator

    13,242
    1,743
    Sep 5, 2009

    please post the link here
     
  4. Nisar-von-Voltenbräackter

    Nisar-von-Voltenbräackter

    36
    3
    May 23, 2018
    davenn likes this.
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