A coordinate detection device according to the present invention includes: a conductor for locating a point of contact; multiple terminals that are connected to the conductor at mutually different points; a signal output section, which includes a charge storage section to store electrical charge there and which outputs a signal with a voltage value representing the quantity of charge stored in the charge storage section; a setting section for setting a voltage for the charge storage section equal to a predetermined value; and a switching section for selectively connecting or disconnecting a particular one of the terminals to/from not only the charge storage section but also a predetermined power supply.