General monitor questions - hooking them up

theyangman

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So when it comes to interchanging monitors I'm still uncertain of a few things. There are two hookups in the back of the monitor's, a 6 pin like this:

627f2a5deec4b472b88b13d9772835f4.jpg


That plugs into the monitor here:

4fce7f6f55aec85090d21c9d04885e4d.jpg


Now sometimes I see different connectors, the other common one is a 6 pin molex. I'm assuming in cases like this just matching the colors should suffice if the monitor was wired properly? The same six colors are always present on most of the monitors I have so it would simply be matching them up? This seems pretty standard across all the monitors I've seen.

But when it comes to the second connector coming off the monitor for power some are like this:

48d2633a9b2af61707f98acdd595ca1f.jpg


But I have also I noticed some monitors only have a two pin molex coming off the back. The green/yellow wire is not present and is grounded directly to the frame, what do I do in this situation? In those situations the only two wires I see are both black. What do I do here?

Sent from my Pixel XXXL
 
the 3 wire power connectors usually means the monitor does not require an iso. if you have an iso hooked up and a two wire connector in the cabinet, you can disregard the green wire. always make sure if you monitor does or does not need an iso. the six wire video input is red, green, blue, ground, positive & negative sync.
 
the 3 wire power connectors usually means the monitor does not require an iso. if you have an iso hooked up and a two wire connector in the cabinet, you can disregard the green wire. always make sure if you monitor does or does not need an iso. the six wire video input is red, green, blue, ground, positive & negative sync.

Ok, so yeah the 6 wires seems pretty standardized. More of a matter of matching up the connector types when swapping in a new monitor then it seems, the 6 wires should usually be the same.

Forgive my newbie-ness. What is an iso? How do I know if the monitor requires an Iso? Is there a physical tell tale sign?

This still doesn't tell me how to tell the two black wires apart though either in the case where green is disregarded.

Thanks for the help!
 
if the monitor requires an isolation transformer and you feed it regular AC power it will damage the monitor.

Most older monitors require isolation transformers, a lot of the new ones don't.

In the case of the 2 black wires from an ISO, I don't think you need to tell them apart.
 
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