Yamaha psr ew400 piano loses sound

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  • laidman
    New Member
    • Nov 2023
    • 4
    • Costa Rica
    #1

    Yamaha psr ew400 piano loses sound

    Yamaha PSR EW400 piano intermittently loses sound and shuts down.

    Youtube people recommend verifying that the DC jack's solder connections aren't broken, and the replacement of a couple of capacitors in the vicinity of the DC jack. While these solutions might work, I'd feel a lot more secure if I had a schematic to help me check the status of the myriad components.

    Schematic and suggestions are welcome.
    Tags: None
    • lotas
      Badcaps Legend
      • Jan 2016
      • 4600
      • Russia
      #2
      Re: Yamaha psr ew400 piano loses sound

        Comment

        • stj
          Great Sage 齊天大聖
          • Dec 2009
          • 31025
          • Albion
          #3
          Re: Yamaha psr ew400 piano loses sound

          i wouldnt be surprised if a rom is failing - these yamaha keyboards are all dying now.
          if you have the tools - read the rom out - for backup purposes

            Comment

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