| 摘要 |
PROBLEM TO BE SOLVED: To provide a display device maintenance system capable of confirming the state of a display device while eliminating vain movement time and labor cost.SOLUTION: The display device maintenance system includes: a display device, a maintenance device; and a mobile maintenance terminal. The display device includes plural display units which have an LED lamp and when receiving a request signal requesting a confirmation of the state of LED lamp, determine whether the LED lamp is proper. When it is determined as improper, display units generate a first signal indicating the problem of the LED lamp. The maintenance device transmits a request signal to the display device, and displays a position of the display unit in the display device which outputs a first signal responding to the request signal. The mobile maintenance terminal is designed to be portable and to transmit the request signal to the display device to display the position of the display unit in the display device outputting the first signal responding to the request signal in a right and left inverted manner with respect to the maintenance device. |
