An electronic apparatus includes a wiring board, a main member to which the wiring board is fixed, a first component mounted rigidly on the wiring board and positioned with respect to the main member, and a second component mounted movably on the wiring board and positioned with respect to the main member, and a positioning portion provided on the wiring board to determine a position of the wiring board with respect to the main member, wherein a distance from the positioning portion to the first component is shorter than a distance from the positioning portion to the second component.