Casio/Commodore AL-100 Core Memory and Sense/Inhibit Amplifiers (#10)
Board #10 (14B-10 Revision B), Casio/Commodore AL-1000
Core Memory and Sense Amplifiers and Inhibit Drivers
Known Revisions: B, D, G
Blue & Red devices are pulse transformers made by TDK, used to amplify the the low-level sense signals from the core array.
Note small Mitsubishi logo on fiberglass core memory array surround. Mitsubishi manufactured core memory arrays for many Japanese calculator manufacturers.