Repair GuidesToshiba / Canon Aplio Ultrasound Board Symptoms: A Decision Path for Aplio 300, 400, 500, MX, and i-Series (i600/i700/i800/i900) RepairsA structured diagnostic decision map for biomedical engineers, ISOs, and hospital service teams mapping no-image, probe-not-detected, channel dropout, and power failure symptoms to verified Toshiba/Canon PM and BSM board assemblies across SSA platforms and the i-series.