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一、检修举例例1 机型:万利达N28型影碟机故障现象:有时能读碟有时不能读碟。检修:打开机盖,通电观察物镜运动正常,在物镜上方观察有激光束射出。对着光线观察,发现物镜上有灰尘,对灰尘进行清理,机器恢复正常。例2 机型:爱多三碟机故障现象:有时工作正常,有时工作不正常,过一段时间后,根本不能读碟,只有进出盒键在刚接通电源时,才能控制出盒和进盒一次。其他键不起作用,显示
First, the overhaul Example Example 1 Model: Malata N28-type player Fault phenomenon: Sometimes can read the disc sometimes can not read the disc. Overhaul: Open the cover, energized observe the normal movement of the objective lens, observed in the top of the objective laser beam injection. Observe the light and found that there was dust on the objective lens to clean up the dust and the machine returned to normal. Example 2 Model: Love more three-disc drive Fault phenomenon: sometimes working properly, and sometimes work is not normal, after a period of time, can not read the disc, only out of the box key in the just power on, to control the box and into the box once. Other keys do not work, show