A print head control circuit that controls an operation of a print head including a driving element that drives based on a driving signal, so as to discharge a liquid from a nozzle, a driving signal selection circuit that controls a supply of the driving signal to the driving element, a temperature abnormality detection circuit that diagnoses whether or not temperature abnormality occurs, a first terminal, a second terminal, a third terminal, and a fourth terminal, the circuit comprising: a first propagation wiring for propagating a clock signal input to the first terminal; a second propagation wiring for propagating a signal which is input to the second terminal and indicates a diagnosis result of the temperature abnormality detection circuit; a third propagation wiring for propagating a first voltage signal which is input to the third terminal and is supplied to the driving signal selection circuit; a fourth propagation wiring for propagating a second voltage signal input to the fourth terminal; a driving signal output circuit that outputs the driving signal; and a power voltage output circuit that outputs the first voltage signal and the second voltage signal, wherein when the second propagation wiring and the fourth propagation wiring are electrically coupled to the print head, the second propagation wiring and the fourth propagation wiring are electrically coupled to each other via the second terminal and the fourth terminal, the first propagation wiring and the second propagation wiring are located to be aligned, and the first propagation wiring and the fourth propagation wiring are located to be adjacent to each other in a direction in which the first propagation wiring and the second propagation wiring are aligned. a driving element that drives based on a driving signal, so as to discharge a liquid from a nozzle, a driving signal selection circuit that controls a supply of the driving signal to the driving element, a temperature abnormality detection circuit that diagnoses whether or not temperature abnormality occurs, a first terminal, a second terminal, a third terminal, and a fourth terminal, the circuit comprising: a first propagation wiring for propagating a clock signal input to the first terminal; a second propagation wiring for propagating a signal which is input to the second terminal and indicates a diagnosis result of the temperature abnormality detection circuit; a third propagation wiring for propagating a first voltage signal which is input to the third terminal and is supplied to the driving signal selection circuit; a fourth propagation wiring for propagating a second voltage signal input to the fourth terminal; a driving signal output circuit that outputs the driving signal; and a power voltage output circuit that outputs the first voltage signal and the second voltage signal, wherein when the second propagation wiring and the fourth propagation wiring are electrically coupled to the print head, the second propagation wiring and the fourth propagation wiring are electrically coupled to each other via the second terminal and the fourth terminal, the first propagation wiring and the second propagation wiring are located to be aligned, and the first propagation wiring and the fourth propagation wiring are located to be adjacent to each other in a direction in which the first propagation wiring and the second propagation wiring are aligned. a first propagation wiring for propagating a clock signal input to the first terminal; a second propagation wiring for propagating a signal which is input to the second terminal and indicates a diagnosis result of the temperature abnormality detection circuit; a third propagation wiring for propagating a first voltage signal which is input to the third terminal and is supplied to the driving signal selection circuit; a fourth propagation wiring for propagating a second voltage signal input to the fourth terminal; a driving signal output circuit that outputs the driving signal; and a power voltage output circuit that outputs the first voltage signal and the second voltage signal, wherein when the second propagation wiring and the fourth propagation wiring are electrically coupled to the print head, the second propagation wiring and the fourth propagation wiring are electrically coupled to each other via the second terminal and the fourth terminal, the first propagation wiring and the second propagation wiring are located to be aligned, and the first propagation wiring and the fourth propagation wiring are located to be adjacent to each other in a direction in which the first propagation wiring and the second propagation wiring are aligned.