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  4. » TZ Clock - No optos triggering
(Topic ID: 233090)

TZ Clock - No optos triggering

By m111111

5 years ago



Topic Stats

  • 3 posts
  • 2 Pinsiders participating
  • Latest reply 5 years ago by m111111
  • Topic is favorited by 1 Pinsider

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#1 5 years ago
OP
 
MSK

m111111

Pinside member

NO Oslo

6y 21,800 65 4

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).jpegimage1 (resized).jpeg
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#2 5 years ago
 
D G

Pin_Guy

Pinside member

8y 103K 3,996 11

hmmm?

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#3 5 years ago
OP
 
MSK

m111111

Pinside member

NO Oslo

6y 21,800 65 4

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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