analog circuit board system. repairing, maintenance technology equipment concept

yellow toy machine lego vehicle art play blue electronics gadget engine wheel car analog circuit board system repairing maintenance technology equipment concept printed electronic components close shallow focus audio automation capacitor capacitors component control controller device diode electric electrical facility factory hardware industry instrument integrated macro measuring media micro microcircuit motherboard music panel pattern pcb platter circuits repair resistor resistors science semiconductor service silicon technical transistor treatment volume conceptard system