Atari SuperPong (76) AV mod in Progress, results but help needed

[sergei277]

Hello everybody.

Well i recently began an av modification on a Atari Super Pong (1976).

 

And well, i got a nice image !!! Really Sharp, etc.. But it's not the good results.

 

Video :

https://youtu.be/FRIlWU4U0xE

 

Some Gameplay at

 

Well, i think normally the background is black and the objects (paddles, net, ball) are in color, but i got the opposite.

Any idea ?