| 摘要 |
PURPOSE:To easily know whether a non-lighting exists or not on the side of a display by providing a non-lighting check means which can display the non- lighting to the outside in accordance with each lamp module, and executing simultaneously a non-lighting check with regard to plural lamp modules. CONSTITUTION:Plural non-lighting check means for bringing successively plural lamps contained in a lamp module to non-lighting check and displaying its fact to the outside in the case at least one or more lamps are a non-lighting are provided in accordance with each of plural lamp modules, and with regard to plural lamp modules 11, a non-lighting check is executed simultaneously by a non-lighting check means. In such a way, by executing simply the non- lighting check in a place in which a body of a display is installed, whether the non-lighting exists or not can be known, and it is possible to cope quickly with its non-lighting. |
