4视频磁头录像机在更换磁鼓或使用日久发生局部机械磨损后,在正常速度放像时,会发生画面清晰,但静止画面出现噪波、抖动或在慢放时图像产生连续的跳跃以及录像带的互换性变差的故障。此时应对走带系统的机械部分进行调整。现以松下L15MC型录像机为例,介绍一种不用仪器,业余条 4 Video Head Recorder When the drum is replaced or subjected to partial mechanical wear over time, crisp pictures occur at normal playback speed, but the still pictures appear noisy, jittering or continuous jumping at slow playback, and the video tape The compatibility of the deterioration of the fault. In this case, the mechanical part of the tape transport system should be adjusted. Now Panasonic L15MC VCR as an example, introduce a kind of equipment, spare time