Wednesday 8 November 2017 at 01:07
There is no obvious short in the rectifier and capacitors seem to charge in the video.
is the 8Amp fuse for F114 the correct one ? (Not a cheap brand)
Start with only J101 connected to powerdriverboard and power up the board.
If fuse stays in, measure testpoint TP8 (=18 Volt) and TP3 (=12.0 Volt)
Source: http://pinside.com/pinball/forum/topic/williams-t2-blowing-f114-lamp-matrix#post-4062709