收到同行送来的故障机壹台杂牌改装板液晶电视,采用的是T.SK106A.03主板,是海思3731V110方案,故障通电红灯不亮,查12V、5V电源电容电压正常,测1.8V无电压,BL1188的4脚无5V,故无3.3V、1.8V,无短路,将4脚连上5V电容处,故障机修到这里,终于修好值得探讨。。 |
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