Configuring Transformer #2058 for Different Mains Voltages

Important Disclaimer: You are solely responsible for any damages, problems, or injuries resulting from opening up and working on your equipment. Unless otherwise indicated, the equipment should be powered off and unplugged while these procedures are being done; otherwise, you can be exposed to potentially fatal voltages. If you do not feel comfortable or competent in performing these tasks, we strongly recommend taking your equipment to a qualified service center.

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Transformer Configuration This Korg power transformer (Syntaur part #2058) can be configured for use with any mains voltage by moving the black input wire to the correct post. As shown (and as it ships from Syntaur), the transformer is configured for 120V North American mains. To reconfigure for a different input voltage, remove the back wire and then solder it to the correct post. The different posts are for 100V, 120V, 220V, and 240V mains, as shown in the photo.

Note that if you are reconfiguring a keyboard for use with a different mains voltage (rather than just replacing a faulty transformer), you will also need to change fuses on the power supply board, as per the service manual for your keyboard.