ocr: MILO FONEBILL ISSUE - TAP AUTO-COMBO RED-BLUE BOXES As Milo said in his letter, the box is made up of three sec- tions: : front panel with keyboard, memory and logic board, and osclliater/amplifier. The front panel is pretty explani- tory. The only comment I have is that dual the diodes diodes be (Motorola silicon. In order to conserve space try using HEP R9002). The other two boards use digital logic, The first,thing you should remember is that the pin connections for power are not sbown in the schematic. On (+). most Cn 14 pin most JULY 1978 NO. 51 chips pin 7 is ground (-) and pin and 14 is ...
