【判断题】
THDS-B双光子设备进行月检维修保养作业时，校零电源电压测试：+5V±0.1V
A. 对
B. 错
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【判断题】
THDS-B双光子设备进行月检维修保养作业时，主机柜风扇检查：若风扇不转动应检查风扇电压是否正常，风扇线圈是否开路，用万用表电压档、电阻档分别测试。并对测试结果作相应处理
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THDS-B双光子设备进行月检维修保养作业时，探流电压测试:用万用表直流电压档，通过后面板“探流”测试端子测量。测量时，红表笔接后面板“地”端子，黑表笔依次接“左探流”、“右探流”
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THDS-B双光子设备进行月检维修保养作业时，发射机性能检查：对讲机能听到清晰的声音，稍后数据灯亮，这时对讲机能听比较浑浊的声音，过一会数据灯灭，对讲机又变成清晰的声音，之后发射灯、控制灯灭，声音停止，表明发射机工作正常
A. 对
B. 错
【判断题】
THDS-B双光子设备进行月检维修保养作业时，两路输入电压测试：用万用表交流档测试两路输入电压，若发现电源波动较大，应进一步观察，并将信息向车间值班室反馈
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THDS-B双光子设备进行月检维修保养作业时，电涌保护箱检查: 直观检查箱体外观及内部应清洁，测试电源输入正常，电源引线外皮破损及时包扎，变色要对负载进行检查，排除短路情况
A. 对
B. 错
【判断题】
THDS-B双光子设备进行月检维修保养作业时，参数稳压电源检查: 直观检查电压表头显示正常，电源开关作用良好。若表头损坏显示不正常，应更换表头；手动开关应无打火现象
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