Price history on Walmart.com for
PwrON AC Adapter Replacement for Yamaha PSS470 PSS570 PSS-560 PSS-390 keyboard Power Supply Cord
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If you don t know whether the machine can use this adapter you can view your original adapter s output parameters (voltage current) whether conform to. if lost the original adapter you can check the parameters at the bottom of the computer or your illustrations of the machines.
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