Hi everyone,

Very happy to be on this forum.
I have a Williams Pinball from 1986 that I have restored over the last 3 years. it's working great.
For professional reasons, I may relocate to France (where I'm originally from) and would like to take my Pinball with me. Power there is 220V and 50Hz.

I have no idea how to convert the pinball. Would changing the internal transformer suffice? (and if so, what transformer would you suggest I need to purchase?), or would I need to change some other parts (due to the difference in frequency? e.g. the top beacon).

I would really welcome some guidance and help on this. Thank you to this forum

#Williams High Speed

IMG_5403 (resized).jpg

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Thank you ForceFlow, greatly appreciated. But that's not the only thing to change, no?

How could I find the right transformer to buy? Looks like my High-Speed is a system 11 per the link you sent. Are all System 11 powered the same way and therefore i should look up for that to determine which power supply i should buy?

Thank you

ForceFlow and YeOldPinPlayer: thank you very much. i didnt think it was that easy! will follow your advise when I arrive in Europe and will cross fingers it all goes well. THANK YOU

Thank you Dumbass. Wise comment.

I think disconnecting the transformer secondary output to measure voltage is a great idea (hopefully I can figure out what to disconnect - I'll have to look at it). Posting picture prior to repowering / turning on power is also a very good idea. Thank you!

Thank you Gutz. I’m not completely tracking. Are you talking about a line fuse within the pinball? Or ensuring the fuse on the circuit it’s plugged in is changed? If so, to what?

Also, could you let me know what the mov is and what should be done about it?

Thank you!

Thanks YeOldPinPlayer. Got it. very helpful

I looked at the link at it answers a lot of questions. I think I have to read it again to better understand what needs to be done with the MOV. Probably need to read again more carefully. Thank you!

All, again, thank you for your support. Just to make sure I have it right, is this the MOV I should buy and replace when I change to 220V?:

Part NumberV275LA40BP
Metal Oxide Varistor (MOV), 275V, 20mmMax Continuous Voltage = 275VAC / 369VDC
Surge Energy: 140 Joule.
Diameter: 20mm
Intended for 240VAC mains, not for use in North America.

https://www.greatplainselectronics.com/products.asp?cat=76

Thank you!