Question posted by anthonyfirestone on May 1st, 2023
Psu For A Yamaha Pm 3000
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Current Answers
Answer #1: Posted by hzplj9 on May 25th, 2023 3:37 AM
hzplj9
Member since:
June 25th, 2012 Points: 4,875,690
Member since:
June 25th, 2012 Points: 4,875,690
I have looked at the user manual and have checked the requirements for the power supply. It requires +20v and -20v and +48v and a +12V power supply. I would suggest trying to find an electrical engineer who can repair power supplies or contact Yamaha.com customer services for a service agent who can offer an exchange or repair service. The common issues with power supplies are that the capacitors fail as they age. It could be just a blown fuse as there are 4 fuses. You can check them yourself when the unit is removed. If any fuse is blackened a major component failure has occurred. If any are just broken then they likely failed through ageing and a replacement may solve it. I have attached a link to the manual. Page 25-2 explains the power supply.
https://www.manualslib.com/download/341394/Yamaha-Pm-3000.html
Hope that solves your problem. Please mark as helpful if it leads you to a satisfactory solution.Thank you.
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