论文部分内容阅读
例一:高士达FL-R300V型VCD机故障现象:开机显示屏显示“NO DISC”,按放像键不能放像。分析与检修:拆开机盖,通电检查,发现碟片不转,激光头物镜升起后又迅速回落,此时显示“NO DISC”,且无正常时的激光亮点,判断为激光头组件有故障。仔细调整激光头KSS—210A上的微
Example 1: Highstar FL-R300V VCD machine Fault phenomenon: boot display shows “NO DISC”, press the play button can not play. Analysis and Overhaul: Open the cover, power check and found that the disc does not turn, the laser head and then quickly dropped after the lens rose, this time shows the “NO DISC”, and no normal laser highlights, the judge for the laser head assembly malfunction. Carefully adjust the micro on the laser head KSS-210A