My wife has her original Magnavox Odyssey 2 (service manual:
https://www.digitpress.com/library/techdocs/o2-svc.pdf) from the late 70s and I've been trying to get it to work again... clearly for some points on the home front!
After purchasing an adapter to go from the RF Out (RCA coax) on the console... to a Coax to RCA (Red, White, Yellow) converter box... to a RCA to HDMI box... to a TV.
I've cleaned the console inside and out, fixed a few soldering points on the main board, tested all of the voltages and now everything "seems" fine. The input voltage is good and the on-board voltage regulator seems to be working well too.
When I turn the console on, I get audio but no video. The game is responsive and when I touch keys on the keyboard, the console is responding to my input. So... everything appears to be loading and running fine. BUT... no video is making it to the TV.
How do I troubleshoot this video issue? I'm going to assume that the converters I purchased work (let's just go with that assumption for now as they're brand new and I don't have any other 'old' devices in the house to test them with).
The Channel 3/4 module seems to be working fine and I'm getting voltage from the main board to that daughter board... but I don't know how to test the output. Can I test this somehow with my scope (without a logic analyzer)?
I can post photos of anything you like upon request.
Thank you!
- Wil