收到同行送来的故障机壹台康佳LED42IS97N(2BOM)液晶电视,故障表现为开机花屏。该机屏型号为康佳自产72000321屏,换屏后故障依旧。代换N506后故障还没有排除,查R713到R718排阻正常,R470、R487、R482、R480、R475正常,查到R529已断,更换此电阻(1002)后,开机一切正常。 |
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