| Coin Comparitors and Other Coin acceptors > Coin Comparitors and Other Coin acceptors |
| Testing a CC-16 24v IGT |
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| Badbaud:
It may be getting power, a good first step test, BUT is it producing a vend pulse. In a Bally the COD board must see the vend pulse from the coin comparator or it will report a 21 error and tilt the game. In a IGT the optic board below the coin comparator must see a vend pulse from the comparator or a 21 error will be reported there. The vend pin is where I connect my o-scope so I can see the narrow pulse but attaching a LED to the vend output will show a flicker on the LED verifying the vend pulse. |
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