I recently bought an old effects unit from europe and knew that the unit itself has an IEC plug and an easy way to modify the power input for the US supply. I didn't know that the foot controller had a hardwired power cord (I thought it received power from the unit) with an EU plug and I'd like to swap it out.
I can't find any information at all on this transformer, but it looks like TC Electronics made provisions to accommodate different voltages late in the manufacturing process by configuring a jumper or jumpers. I'm hoping that someone will either validate my thinking or tell me I'm an idiot.
Here's the top and bottom of the circuit
This is how I *think* it could work, by reorienting the jumper and adding another (top is current, bottom is the modification).
I assume I'd have to double the fuse rating as well. Does this seem sound?
Transformer input wiring question
Moderators: pompeiisneaks, Colossal
Transformer input wiring question
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Sean Chaney
Re: Transformer input wiring question
I agree. They made it easy for you. Phase dots help visualize.
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Re: Transformer input wiring question
Thank you for looking at it. I get the phase aspect, it’s the 220v series being changed to 110v parallel that has me feeling unsure. It seems correct to me, but I still feel very much a novice
Sean Chaney
Re: Transformer input wiring question
You've got it figured out. Light it up! 
