| 摘要 |
PROBLEM TO BE SOLVED: To provide a projector capable of reducing noise.SOLUTION: A projector includes: a plurality of light sources; a plurality of cooling fans 61 (61A-61D) for making cooling air circulate through the plurality of light sources; and a control device 7 for reducing, if there is an unlighted light source among the plurality of light sources, a rotational speed of the cooling fan 61, of the plurality of cooling fans 61 (61A-61D), for making cooling air circulate through the unlighted light source.SELECTED DRAWING: Figure 2 |
