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Hi guys,

I recently acquired an early SG1000-II console; i read that D780C-1 chip is a Z80 clone; is it possible to have the pinout of that chip to extract audio to make a full composite mod ? Video was just "extracted" on PIN 36 (TMS9918A).

EDIT:
Audio out found on PIN7 of SN76489AN !

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asper Joined: 25 Nov 2015 Posts: 143	SG1000-II with TMS9918A chip Posted: Sat Feb 01, 2020 4:38 pm
asper Joined: 25 Nov 2015 Posts: 143	Hi guys, I recently acquired an early SG1000-II console; i read that D780C-1 chip is a Z80 clone; is it possible to have the pinout of that chip to extract audio to make a full composite mod ? Video was just "extracted" on PIN 36 (TMS9918A). EDIT: Audio out found on PIN7 of SN76489AN !

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