(Topic ID: 154868)

SEGA/STERN Whitestar Switch Matrix Problem - Rows

By OHMI_Arcade

3 years ago

Topic Stats

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

My SST has two rows of switches that aren't working. I assume this means that I need to replace the LM339AN voltage comparators but I thought I'd ask first to see anyone has experience with Whitestar switch matrix problems. Are the voltage comparators usually the cause of a complete row of switches not registering?

Thanks so much!

#3 3 years ago

Thanks Chris, very helpful. It looks like it isn't in the board.

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