ocr: +59 Component list: IC = 4093 C1= = 10unf R1 R3 C2 10-22uf IC 1 (pref. tantal) R1 == 10k C1 R2 == - 10k R2 RESET R3 == trimpot. about 470k-1m T1 T1 == BC547b or equal. C2 GND RGB PORT KEYBOARD CONN. U7 E L U30 - - I - J13 - - RESET PIN - H U 18 IITTTTI - - - I I KEYB.MPU. - J16 M L HIIL TTL M J20 J19 a