| 摘要 |
An opening cover of a case is removed. A light source module is held, and the light source module is pulled outside an opening of the case while guide groove parts and guide-rail parts slide along each other approximately parallelly to a case base. At this moment, junction cable connection terminals of the light source module become separated from power-supply connection terminals of a composite optical system. Replacement of a light source is conducted by replacing the light source module as a unit, or by replacing a light source section or a light source section each as a unit.
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