论文部分内容阅读
故障现象:NV—HD82MC录像机接通电源开关后,电源指示灯亮,插入带盒,3秒钟后被自动弹出。 分析与检修:经观察,插人带盒3秒钟后被自动5出,面板上电源指示灯仍亮,说明该机电源电路和系统控制电路工作基本正常,初步判断故障存在机械传动机构或加电机驱动控制电路中。拆开机壳插入带盒,观察发现磁带载到位后压带轮没有下降到位。弹出带盒检查,发现P5
Symptom: NV-HD82MC VTR power switch is turned on, the power indicator light, insert the cassette, 3 seconds after being automatically pop up. Analysis and maintenance: After the observation, insert the tape box 3 seconds after being automatically 5, the power indicator light is still on the panel, indicating that the machine power supply circuit and the system control circuit is basically normal, the initial judgment of the existence of mechanical transmission or plus Motor drive control circuit. Disassemble the case into the cassette, observe the tape in place after the pressure pulley did not fall in place. Pop-up box with check, find P5