| 摘要 |
A projector is provided which is able to facilitate a reduction in size. The projector includes of a lamp information carrier circuit board and a lamp information detection circuit board, and a fuse for determining use and nonuse of a light source lamp. The lamp information carrier circuit board is stacked so as not to overlap the lamp information detection circuit board. For this reason, the lamp information carrier circuit board and the lamp information detection circuit board are stacked close to each other, and the space between the lamp information carrier circuit board and the lamp information detection circuit board can be narrowed.
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