Modifying old consoles (RF->Composite)

[abrannan]

Anybody have any good links to decent information on modifying old consoles to remove the RF converter and pull out the Composite video?  I've got an old Intellivision I want to modify for use with modern TVs (Yes, I know I can still hook them up to the antenna anyway).  I thought the pages on the portable Atari's might have something, but it's just instructions on what pins to solder to, not the theory behind the process. 

[DaemonCollector]

Someone will correct me im sure...but the Atari is an odd beast in this case, It outputs Chroma and Luma directly from the chip, so to get composite all you must do is combine these. On the intellivision, I have no clue where it is put out. I will do some looking though...*runs off to google*

[SOAPboy]

I just took the cable one of my ataris, cliped it, and hooked up a coax end to it.. Simplest way to get it done IMO

[DaemonCollector]

http://members.tripod.com/intellivision_2609/

That should be what your looking for, I don't know how well it works though

[abrannan]

http://members.tripod.com/intellivision_2609/

That should be what your looking for, I don't know how well it works though

That is precisely what I've been searching for.  Many thanks.  Take $100 from petty cash on your way out the door.

[ChadTower]

This is the easiest way to do the 2600... right out of the box, costs about $2, and dramatically cleans up the picture.

[abrannan]

That isn't pulling the raw composite signal out of the system, it's just an RF adapter.  Why continue to suffer with a downgraded signal, when you can pull the composite out of the console and display it that way, cleaner video, cleaner audio. 

[ChadTower]

That isn't pulling the raw composite signal out of the system, it's just an RF adapter.

[DaemonCollector]

I have about 9 consoles hooked up. 3 of them use those little adapters, they do help the quality a lot, but it still isn't near the quality of the pure composite, you can even go and pull pure RGB out of almost all consoles, the only ones that come to mind that you can't are the 2600 and the NES. The 2600 because it outputs Chroma and Luma directly, and the NES I don't remember the exact reason...but it can't be done without replacing a chip.

[ChadTower]

But can you pull all that out with a cost of $2 and zero effort?  That little adapter is the biggest bang for your buck improvement there is.