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Thursday 24 May 2018 at 12:47
Each display has its own resistor on its high voltage input. Since some of the displays work, HV is getting to the board, so it is not a fuse problem.
If your high voltage fuses are not blown, and your score displays do not work, first replace the 39k ohm resistors. These are cheap and easy parts ...
Source: http://pinside.com/pinball/forum/topic/police-force-working-yesterdaynot-today#post-4415512