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(Topic ID: 240575)

Bally 2518-17 Strobe Signals stay High

By sinus

5 years ago


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  • 23 posts
  • 7 Pinsiders participating
  • Latest reply 5 years ago by barakandl
  • Topic is favorited by 1 Pinsider

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#10 5 years ago
 
GPE

G-P-E

GPE

US Omaha, NE

13y 76,800 2,778 4

Both Quench and BarakandI hit onto this one.
When combined with your measurement:
"ST0 --> GND 1 MOhm (!)"

Resistor R132 is open yet C79 is still good. You are seeing the small value of C79 affecting the signal waveform as seen in your first post picture.

Replace R132.

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