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故障现象:能正常收看,但不能遥控关机,其他操作一切正常。客户反映,故障前曾发生有时能遥控关机,有时不能遥控关机的现象。分析与检修:根据故障现象,判断待机控制电路有问题。开机观察,该机图像、伴音、彩色及各项操作均
Symptoms: normal viewing, but not remote control shutdown, other operations are all normal. Customers reflect the incident occurred before the remote shutdown sometimes, and sometimes can not remote shutdown phenomenon. Analysis and Maintenance: According to the fault phenomenon, to determine the standby control circuit problems. Boot observation, the aircraft images, sound, color and various operations are