Famicom Revisions

[Frank_fjs]

Is there any info floating around or can anyone here provide a brief summary of the various Famicom PCB revisions?

Just curious is all, I've pulled apart a few Famicoms and have spotted a few differences (such as the RF unit, cart slot etc) and would be interested to find out what the revision numbers mean, in terms of production dates and known flaws/benefits between different revisions.