I'm feeling like the young doctor Frankenstein in moments like this.

I have connected all signals trying to keep the wires as short as possible:

I want to keep memory signals well separate from video out and clock generator, this is the BB main chips layout:

After giving the power supply we got a nice PAL video signal at pin 21.

This is the first PAL line:

This is the PAL line #44:

This is the last PAL line #312:

We can move on now, see you next update!

Ciao!