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580 Series plug-in interface: Difference between revisions
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| 4 || bgcolor="Pink" | +350 V || R-C decoupled from mainframe | | 4 || bgcolor="Pink" | +350 V || R-C decoupled from mainframe | ||
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| 5 || bgcolor="LightBlue" | 6.3 V<sub>AC</sub> | | 5 || bgcolor="LightBlue" | 6.3 V<sub>AC</sub> || heater supply from dedicated winding on mains transformer | ||
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| 6 || bgcolor="LightBlue" | 6.3 V<sub>AC</sub> | | 6 || bgcolor="LightBlue" | 6.3 V<sub>AC</sub> || heater supply return for pin 5 | ||
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| 7 || bgcolor="LightGreen" | Alternate-trace sync pulse || from timebase | | 7 || bgcolor="LightGreen" | Alternate-trace sync pulse || from timebase | ||