(Topic ID: 146210)

DE Star Wars help needed...switch matrix


By Evilive69

3 years ago



Topic Stats

  • 2 posts
  • 2 Pinsiders participating
  • Latest reply 3 years ago by ChadH
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#1 3 years ago

I am a noob so please excuse me if I use the wrong terminology.
My brother bought a DE Star Wars for his kids for Christmas and it worked the day we brought it home, but noticed that the left slingshot wasn't kicking the ball. The next day I tested with a volt meter and the leaf switches appeared to work but the coil did not fire. I went to play a game a noticed the following:
1. When you turn the game on the right scoop fires repeatedly until you start a game, but it does not work if a ball goes in.
2. If the ball hits pop bumper number 2 it registers a slam tilt and reboots.

I then noticed that nothing in column 1 of the switch matrix works. I ran through the diagnostics and during switch test it lists all of column 1 switches. Thinking it was the right scoop blade switch I tested the diode and got nothing. I lifted the blade and do not hear and clicking. I ordered a new switch and some diodes but they are not here yet. I looked at the CPU and do not see anything burned or swollen or out of place. The game is in excellent condition and does not appear to be hacked up anywhere.

Would a bad switch cause these issues?

What else can I look at to troubleshoot this issue?

#2 3 years ago

I'm not sure what's happening with your game but keep in mind that a suspected bad switch may actually be a different bad switch in the same row or column. So take a look at all related switches. Make sure all those switches are hooked up correctly and have good diodes oriented properly.

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