On 9/22/2015 7:42 AM, Rick Lair wrote: > Hello Guys, > > This is off topic for sure, but knew of no better place to ask with all > the electronics knowledge floating around here. > > On our big vertical lathe, it has an old 9" CRT that is starting to give > us troubles, and I would like to convert it to an LCD, the only problem > is, that I am having a hard time figuring out the signaling going to the > new monitor. It is a Fanuc control, so it has a Honda 20 pin male > connector going to the CRT unit, which I scavenged up the diagram for > the pin-out. I have 20 pin female connectors here already, so I can make > a patch cable to VGA to connect it to the new monitor, but the signals > are different from one to another. The current CRT has Hsync, Vsync, and > a single wire Video signal, along with three 0V wires in the harness, > and on a separate connector, the power for the monitor. But a standard > VGA has Red, Green, Blue, then Hsync, and Vsync, and a few GRD connections. > > Maybe I need a signal converter, I have found quite a few of them on > eBay, or can I just make up a cable and run with it?
Those old monochrome monitors would be some variety of digital TTL signaling instead of the analog signaling VGA used. I'd bet it's not the same as the TTL method IBM used on their old mono monitors. --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ------------------------------------------------------------------------------ Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get real-time metrics from all of your servers, apps and tools in one place. SourceForge users - Click here to start your Free Trial of Datadog now! http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users