Professional DAT machine. Many parts for sale. Main board #RJB1121A: ; Power supply board #RJB1122A: ; Analog I/O board #RJB1122A: ; Digital I/O board #RJB1122A (XLR connector, transport worn, no basket): . (At this time we have and recommend to purchase a Panasonic SV-3700 in working condition, we have machines for better value than getting parts, call us directly for more info 617-926-8020 )