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Here we have an Atari 5200 games console. Bit of an odd one this, one of their least successful creations.
composite video buffer board to the usual points. Not this is for testing only, you should never leave the leads this long when installing it, as they are can pick up noise is left too long. Given the split supplies of the 5200, I took the 5V from the top of L1, which was on the analogue rail. Ground came from the second pad where the original RF lead attached. Audio was taken the bottom of R41, and video from the top of R32.
TFW8b 9V DC supplies.