故障:上门修理一台北京2162H型彩电“,三无”、指示灯亮,机主说:以前经常发生看看就自动关机,隔一段时间又自动恢复了,找人修理过当时修完正常,过几天又犯了,又找那个人修了大半天没查出病根,说是要换一个电源块,机主没同意,认为没大病,不用他再修了。检修(三次):我打开机壳在? Failure: home repair a Beijing 2162H-type TV, “three no”, the indicator light, the owner said: the previous often take a look at the automatic shutdown, and automatically restored after a period of time, find someone to repair was normal, A few days again, and found the man who most of the days did not detect the root cause of the repair, that is to change a power block, the owner did not agree, that no serious illness, no need to repair him again. Overhaul (three times): I open the case at?