Genuine USSR Sega Master System PCB Review - How does this thing make SECAM?

This video is a follow up and technical deep dive into a genuine Master System 1, made by Sega for sale in the USSR. Warning: it is pretty nerdy. The original video which will give you more backstory is here: The internals of this SMS are totally different PCB variant which had not been documented well until now. The purpose of this video is explain what I have learnt about this PCB variant in addition to the information that I will post to the SMS Power forums. SMS Power is the place where the Sega community documents these things