Hi, I just started trying to get my Robocop up and running. Running the solenoid test in the diagnostic menu, a lot of the solenoids aren't working- pop bumpers, slingshots, flippers and flashers.

I've tested fuses, random transistors, hear the click on the L/R relay when the Q29 transistor is grounded...

One of the things that caught my attention is that there is a Williams power supply board in the machine.

I think I read that these boards can be used in alphanumeric DE games, but I need some help identifying what version of the board it is and what the fuse values should be.

I didn't see a version number on the board just the number 5765-09466-01, so I was guessing it was just a WMS sys 11. But if anyone can confirm and let me know the fuse values (top two fuses, and bottom four) I would appreciate it. Thanks.

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Thanks for the reply. I was looking at some manuals on ipdb and thought it was either a sys 11 or 11a based on the board #.

The main difference I noticed between the two was using either a 2.5amp SB at f2/f4 or a 4amp SB like you pointed out.

The fuses in there now are all wrong, so for the purpose of using the board in a DE game should I go with the 4amp at both f2/f4?

Looking at what a DE board would have for fuses, looks like the difference is one of the solenoids is 4amp and one is 5amp vs the sys 11 using 4amp on both.

Just to put some closure on this thread, using the fuse values schudel5 recommended in the sys 11 psb got everything working on my Robocop- minus some burnt out flashers. Thanks.