(Topic ID: 206716)

Black Knight 2000 Light Matrix Multiple rows Columns lit.... HELP!!!

By Okarcades

6 years ago


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  • 12 posts
  • 6 Pinsiders participating
  • Latest reply 5 years ago by Okarcades
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#1 6 years ago

Hey guys!

I can't figure out my problem and need some help!

I have a black knight 2000 I'm working on for a buddy that when I got the knocker just stayed on and the machine didn't boot and just hummed really loud.

I rebuilt the power supply board and it turned back on! After shopping and fixing all the other little things I CANNOT figure out this matrix problem.

Every lamp after #33 lights itself and 3 others.

I have....
-Checked pretty much every diode.
-Replaced #33 diode.
-Unplugged the wheel board to test (didn't change)
-Unplugged bonus 2x-5x board (didn't change)
-No battery corrosion

Here is a video of what I have going on

By the way the "m" in ransom works fine I just never had it all the way light in the game.

#2 6 years ago

Oh ya!!!! And the flipper lane change doesn't work either on the left or the right side !

What the heck?????

#6 6 years ago

Saturday bump

#7 6 years ago

So I had a rottendog system 11 mpu board in a big guns and I swapped it for the black knight and BAM!!! light problem went away. But the lane change problem still exists. I'll need to track down the light problem in the mpu or just send it off.

I guess now I just need to figure out the lane change. I check the above suggestions and my auctions board looks fantastic.

#10 6 years ago
Quoted from onlydjz:

I would try to remove the leds in that string what has a malfunction.

I changed the board and lights worked. It's a board issue. Now I need to track down the chip or what ever the problem is.

2 months later
#12 5 years ago

Here is the interconnect board. A little burnt but everything appears to be in working order

20180401_153313 (resized).jpg20180401_153313 (resized).jpg

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