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11.三星850型VCD机不能播放碟片后部节目,有屏显,除开盒键外,其余功能消失故障分析:不能播放碟片后部节目,能读碟片首曲,表明聚焦、循迹及主导伺服均无问题,而可能是滑行伺服有故障,可按流程第7步检修,从整个滑行组件、滑行伺服系统及其外围元件查起。检修说明:当选取后部节目时,仔细观看进给电机能带动光头组件向外部移动,当聚焦搜索过后不久主轴转动即由减速而至停止。分析故障可能属于机械结
11. Samsung 850 VCD player can not play the back of the disc program, a screen display, in addition to the box key, the remaining functions disappear Failure Analysis: Can not play the back of the disc program, can read the disc’s first song, indicating focus, tracking And the leading servo is no problem, but may be sliding servo fault, according to the process of step 7 overhaul, from the entire gliding components, gliding servo system and its peripheral components check. Overhaul Note: When selecting the rear part of the program, a careful look at the feed motor can drive the optical head assembly to move to the outside, shortly after the focus search, the spindle rotation is slowed down to stop. Analysis of the failure may belong to mechanical knot