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故障现象:开机电源指示灯不亮。分析与检修:据用户介绍,得知刚开机使用几分钟,后关机待命,当再使用时即出现上述现象(死机,磁带也拿不出来)。当时,误认为电池没电,即按上交流转换器也没反应。根据故障现象判断故障出在电源部分。查电池组有电,交流转换器也正常。由于没有图纸,只能采取顺藤摸瓜的方法进行分析观察,凭经验摸索动手。首先,小心取下左侧盖,仔细分析电源VJB03957-
Symptom: power indicator light does not shine. Analysis and Maintenance: According to the user introduction, that just started using a few minutes, then shutdown, when re-use that is the phenomenon (crashes, the tape can not get out). At that time, mistakenly believe that the battery is dead, that is, press the AC converter did not respond. According to the fault phenomenon to determine the fault lies in the power section. Check the battery pack power, AC converter is also normal. Because there is no blueprint, we can only adopt the method of follow the example and analyze the observation, and try our hands on the experience. First, carefully remove the left cover, a careful analysis of the power supply VJB03957-