Measuring each +12V powered voltage partial low for 1.5V, remaining are normal, carefully observation found has Electrolytic Capacitor leak liquid, will its all for new and with alcohol cleaning circuit board, boot voice recovery normal but figure like didn't color, again will circuit board with wash clean fine cleaning (cleaning Shi to split Xia in the put Board and HF head) electricity wind tube blow dry then try machine, figure like voice all recovery has normal.