I'm in the midst of doing a composite mod on a Sears LXI RF only TV set and I'm not sure if I'm doing something wrong or if I need to add a capacitor and a resistor to get it to work.
If I connect it to pin 31, it tries to display a picture, but it doesn't, yet audio works. If I do pins 35, 40, or 43, nothing shows up.
The service manual is: https://consolemods.org/wiki/images/7/7 ... manual.pdf
And the diagram for the TA8680N is this:
How it's wired:
What it looks like with the mod that's not working yet:
I'm not sure if I missed something and I think I need a capacitor tied to the ext video in pin or something else along those lines.