(Topic ID: 268267)

Need Verification on Opto

By Crash

3 months ago

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  • 2 posts
  • 1 Pinsider participating
  • Latest reply 3 months ago by Crash
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#1 3 months ago

I had to replace an opto transmitter/receiver pair on Police Force. I've tried installing two TCST1103s which does not work. The opto always registers closed. Can someone confirm this is the correct part for the spinner board and it's installed correctly? All traces have continuity and I'm getting 4.75v and 12.11v on opposite sides of the optos.

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#2 3 months ago

I solved it, the opto was installed backwards.

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