GR-50 110 V convert to220 V

Started by Marc1969, December 23, 2023, 07:55:26 PM

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Hello everyone,
I have owned a GR-50 since 1988 and I am now moving to Europe. I have read that other Roland rackmount devices just re-solder 1 pin to convert it to 220V, along with changing the plug. Does anyone know if this is possible for a GR-50?


Roland GR-50 Service Manual

That unit has a separate transformer for 220VAC
P/N 22453553D0

 vs 117VAC
P/N 22453553C0


Typical solution,  use a universal 220VAC to 120VAC step down transformer with adequate amperage.