(Topic ID: 233090)

TZ Clock - No optos triggering

By m111111

1 year ago

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  • 3 posts
  • 2 Pinsiders participating
  • Latest reply 1 year ago by m111111
  • Topic is favorited by 1 Pinsider


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#1 1 year ago

Look at attached image : Clock Test.
All optos appears to already be triggered 100% of the time.
Currently got "Ingos Clockboard" but did also test with the original board, same result...

image1 (resized).jpeg
#3 1 year ago

Yes...The weird thing is: both the "10-Switch Opto PCB Assembly" and the "8-Driver PCB Assembly"
has been serviced / checked and should now be in order.
(A chip on the "8-Driver PCB" was replaced, this one: SN74ALS576BN ).

All connectors have been reseated.

Is there anything else i should investigate?

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