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通电开机,播放DVD光盘,只检索,不播放。故障原因判断:经分析造成故障的原因是激光头(见图1所示)的物镜上的灰尘影响了DVD光盘的正常播放。
Power on, play DVD disc, retrieve only, do not play. Judgment of the cause of the malfunction: The cause of the malfunction caused by the analysis is that the dust on the objective lens of the laser head (see Fig. 1) affects the normal playback of the DVD disc.