Video Pinball was similar to Pong, as it was "Video Pinball on a Chip", albeit a bit more complicated than that. I repaired mine ages ago (had a bad resistor), and only recall the one large chip that controlled all of the game logic and inputs.
Here is some info, including a picture of the PCB- https://nicole.express/2021/pinball-in-your-house.html
"One of these days, I'm going to cut you into little pieces!"- Nick Mason, Pink Floyd
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