ep-70/90 Feb. 2000 CIRCUIT BOARD (JACK, PHONES, SWITCH, B&T) ／基板図(JACK, PHONES, SWITCH, B&T) SWITCH BOARD ASSY (71349056) PHONES BOARD ASSY ep-70 (71349067) ep-90 (71349890) B&T BOARD ASSY (71349078) View from components side. JACK BOARD ASSY (71349090) 19