Sinclair Cambridge programmable

From: Gergő
Email: f6b9t0sz9001@sneakemail.com


Hi I found a non-working calc. Power: 9V Main IC: MM5799 (from national) No information second IC: 9-Digit Shift input LED Driver: http://www.national.com/pf/DS/DS8874.html LED Display: no information and there is one more capacitor Thats all in the box. :) I found the manual also: http://www.wass.net/manuals/Sinclair%20Cambridge%20Programmable.pdf Thats all, what i was able to find out yet. Any information, suggestion? Thanks Gergő