Accuphase E-3000 voltage conversion

@daniel1115 

If you could take a photo of the solder side of the circuit board, we might be able to figure out how to change the jumper settings to configure it for 230V operation. In addition to this board, there is an auxiliary transformer located on a separate board that will also need to be replaced; furthermore, a soft-start circuit may also require change to its 230V operating configuration.

@imhififan Thank you so much for looking into it. 
below is the solder side of the PCB

I think I located the auxiliary transformer, I’ll get to that next. 
 

https://ibb.co/9HZbYbqK
https://ibb.co/67DJPBxJ

@imhififan From what I could see so far I think J2, J3 and J6 will have to be removed and J4/J5 set for start to end connection of the secondary windings. J1 should bridge both windings for series connection, what do you think?

Actually I have to correct myself. After looking at the traces on the solder side I currently think J1 needs to be set along with either J5 or J6 (one of those should be for 220V the other 240V). Would that make sense? 

Here’s another shot of the PCB: 

https://ibb.co/8gyrD2dM
https://ibb.co/YF03HBBn
https://ibb.co/Kz0SXp2H
 

As for the auxiliary transformer. It should be on the two photos above. I’ll have to take apart the side panel to access it completely, however on first glance I did not see any jumpers or other means for switching voltage settings.