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Sunday 19 November 2017 at 21:22
Quoted from Cheddar:Check the HV fuse on the SDB if there is one.
The Alltek board has one, it buzzed out fine. I checked the 2 HV test points on it and very little power present. Swapped in a known good OE style SDB and still the same. Power must be getting lost between the rectifier and SDB.
Source: http://pinside.com/pinball/forum/topic/bally-xenon-all-displays-quit-working#post-4081482