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Clear cartridge - pictures

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Here’s some pictures of the clear cartridge.  The upper case is marked with SKU 1015919.  The lower part of the case is marked with 1015918.  The cartridge board appears to be a four GROM and one ROM.  The GROMs are unmarked, -20A, -21A, 2022, and blank.  The ROM or RAM appears to be an AMI with a date code of 7940SAJ.  Part number 1501392-9.  The TI PCB is 1015921-2, Rev B.   No results show up for any of these ICs.


Let’s crowd source check the pin outs here - I can help with continuity.  Since this is 1979, I’m not making any assumptions on what this is and how it’s wired.






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