SNK - NEO•GEO AES PL24IT (PLL) VIDEO PHASE-LOCKED LOOP EN FRANCE

Video PLL circuit PL24IT daughterboard for NEO•GEO AES The video PLL circuit is only present in home consoles, it was added as a way to improve composite video quality by adjusting the main clock frequency with the color burst frequency. It was added during the production of first generation AES consoles as a correction board wired to different locations on the main board. The divider was made using 74LS161 4-bit counters. ( source ) 5% discount if payment made in cryptocurrency, ask to get further detail. All items come from my personal collection. International bidders are welcome! Do not hesitate to make offers or ask questions!