ST on 6 pin DIN RGB?

[spacecadet]

I have a Magnavox monitor with a 6 pin DIN analog RGB input. I pretty much know no such cable exists for the Atari ST, but should that theoretically work? I have a 520STm if that matters. I'd be fine with making my own cable but just want to make sure it'll work first, since the ST seems to have a lot more stuff going on.

 

If it helps, I'm looking at this reference for the ST pinout: http://info-coach.fr/atari/hardware/interfaces.php

 

And this for the monitor (it's the same monitor and DIN connector as on page 8 of this PDF): https://gona.mactar.hu/Commodore/monitor/schematics/1084_schematics_NTSC.PDF

 

Is it as simple as connecting red, green, blue, horizontal sync, vertical sync and ground? And just leaving the other pins on the ST unconnected?

 

[spacecadet]

Anyone? Anyone? Bueller?

 

I'm sure it's a simple thing to answer if you know the answer; I'm just trying to avoid wasting a bunch of time if it's not going to work.

[tjlazer]

Yes, if you have the right cable it will work. I had one custom made years ago for my Commodore 1084S (boxy) monitor.

[oracle_jedi]

I made a cable to connect my ST to a Commodore 1084 with the 9-pin RGB connector, and from memory I followed this diagram:

 

http://eab.abime.net/showthread.php?t=40607

 

But from memory I had to connect both horizontal and vertical sync lines pins 9 and 12, because using the composite sync on Pin 2 resulted in a rolling image.

 

Quick tip. The 13 pin Atari video connector is quite dense and difficult to solder.

 

But I found that the pin spacing exactly matches that of the small dupont connectors, so you can solder the lines to the dupont connector's pins, place them into the plastic sleeve, and then push them onto the Atari video connector. Then hood then slides over the top.

 

So yes, Red, Green, Blue, HSync, VSync and Ground. I did add the resistors shown. I have an STE so I take audio out of the stereo jacks, but if you have an STFM you will need to tap the audio line too.

 

This is from memory. YMMV.

 

Good luck.

Edited May 3, 2017 by oracle_jedi

[spacecadet]

Thanks guys! The audio output is mono I assume?

 

And thanks for the tip on the dupont connectors! I will buy a box of those too.

[oracle_jedi]

Yes, the STFM is mono, so just run that out to a white RCA jack or whatever the Magnavox needs as input.