收到故障机一创维32E55HE电视,一开机显示创维就停机再开机不但循环。直接上电测电源板12v,24V输出开机停机都正常。继续测主板5V,3.3v,1.2v也正常,但仔细观察电视关机时1.2V只有1v,直接换1117后1.2V稳定不变,电视故障修复。 |
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