CD唱机、LD、VCD、CVD、DVD影碟机及电脑中的光驱等都带有激光头,维修时怎样检测激光头的好坏呢?不少人因用肉眼直接观察激光头而致使眼睛灼伤。本文介绍的激光头检测器能方便、准确、快捷、安全地进行判断、检测,其判断只需用耳朵听即可。一般激光头所发出的光波中也包含近红 CD players, LD, VCD, CVD, DVD players and computer CD-ROM drive with a laser head, how to detect the laser head repair is good or bad? Many people use the naked eye to directly observe the laser head and cause eye burns. This article describes the laser head detector can be convenient, accurate, fast and safe to judge, test, the judge just need to listen to the ear can be. General laser head issued by the light wave also contains near red