[例1]故障现象 装入带盒,压下带仓,带仓下降到位并锁定后,按下列各功能键均为正常,但在拍摄过程中带仓经常被自动弹出。 分析与检修 带仓下降到位后按下各功能键正常,说明该机系统控制电路工作基本正常,由此初步判断故障出在机械机构和操作控制电路中,为了迅速确定故障部位,在弹出带盒时,注意观察安装在带仓左下方的带仓下降锁定机构,未发现异常情况,压下带仓进一步观察带仓下降到位的锁定控制机构已将带仓正常锁定,但偶然晃动机器,发现带仓被自动弹出。取出电池,压下带仓,锁定后晃动机器,上述现角就不存在了。这说明该机弹出控制电路存在接触不良,进 [Example 1] Symptom After loading the tape cartridge and pressing down the tape cartridge, the tape cartridge is lowered into position and locked. The following function keys are normal. However, the tape cartridge is always ejected automatically during shooting. Analysis and maintenance of tape warehouse down in place after pressing the function keys normal, indicating that the basic work of the machine system control circuit, which initially determine the fault in the mechanical structure and operation control circuit, in order to quickly identify the fault location, pop-up box Attention should be paid to observe the lowering mechanism of the bin with the lower left of the bin. No abnormalities were observed. Depressing the bin further observes that the locking mechanism with the bin lowered into place locks the bin normally. However, when the robot accidentally shakes the machine, Warehouse is automatically pop up. Remove the battery, press down the cartridge, lock and shake the machine, the above angle does not exist. This shows that the machine pop-up control circuit there is poor contact, into