| 摘要 |
PURPOSE: A pick-up examination device is provided to reduce distortion of an output signal of a pick-up to be measured to improve accuracy in measurement and satisfies various measurement objects. CONSTITUTION: A pick-up examination device includes a driver(90) for driving an optical disc, a pick-up(120) for accessing the optical disc driven by the driver and outputting the signal, and a controller(100) for controlling the operations of the driver and pick-up. The device further has a converter for converting the output signal of the pick-up into a digital signal, a signal processor for processing the digital signal, and a signal analyzer(140) for judging if the pick-up is in normal stage or in abnormal state according to the output signal of the pick-up. |
