(Topic ID: 307539)

Trying to revive Black Knight

By LoserKid_Pinball

1 year ago

Topic Stats

  • 5 posts
  • 5 Pinsiders participating
  • Latest reply 1 year ago by dr_spidey
  • No one calls this topic a favorite


Linked Games

#1 1 year ago

Hey everyone!

I trying to bring a Black Knight back from the dead and I'm looking for some help. I got the new Kohout driver and mpu in my Black Knight. Before the board just GI came on and that was it.

Now everything kicks on, game starts, but my left flippers aren't working (which is weird because as I understand it, one fuse covers both flippers), none of the coils to kick out balls are working except for the trough (which can be weak), and the vast majority of my switches aren't registering, except for my drop targets. Oh and the drop target coils do work and reset them.

I've went through the wiring and I haven't seen any cut or damaged wiring. Just hoping for some direction

#2 1 year ago

Can you get a pic of your boards and connections/connectors

Also a pic of the left flipper wiring on the coil lugs for the lower and upper playfield from underneath?

Those are the places I would look first.

#3 1 year ago

I just took a look at the boards. There are a lot of jumpers on the MPU. I would first make sure those jumpers are in the correct positions for a System 7 configuration.

How does your PSU look?

#4 1 year ago

Lots of connections in the path for the flippers on this game. Make sure they are all clean, in good condition and connected properly.

Check the contacts on the cabinet switches. If the game hasn’t been played in a while they can get oxidized and need a little sanding to come back to life.

Check to see if the flippers stay up when assisted. If they do, check the eos on the flipper mech.

#5 1 year ago

First thing I would do is check the power supply. make sure its working properly
test the voltage
replace any old capacitors, or better yet just replace them all

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