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[例1] 故障现象 插入带盒,按下各操作键正常,按重放键监视器屏幕上有正常的彩色图像和伴音信号。按出盒健经常出现带盒弹出后磁带拖在机内。 分析与检修 能够正常重放,说明该机各部分电路工作基本正常。根据带盒弹出后磁带拖在机内这一现象,初步判断故障存在机械传动机构内。拆开机壳后细心观察发现,带盒弹出后磁带拖在机内是因张力臂不能复位所引起的(正常时按下停止/出盒键,张力臂、加载臂及倾斜导柱均卸载复
[Example 1] Symptom Inserting the cassette, pressing each operation button is normal, pressing the playback button The monitor screen has normal color pictures and audio signals. Press the box box often appears after the cassette eject the tape dragged in the machine. Analysis and overhaul can be normal playback, indicating that the circuit of each part of the machine is basically normal. According to tape cartridge ejection pop-up machine in the phenomenon of this, a preliminary assessment of the existence of mechanical transmission mechanism. Carefully open the case after the demolition found that tape cartridge ejection after the tape is dragged in the machine due to the tension arm can not be reset due to the normal press the stop / eject button, tension arm, loading arm and tilt guide column uninstall complex