【摘 要】
：
彩电收视多年后,普遍发生图像模糊且亮度下降的故障,潮湿的季节内该故障现象更为严重。一般故障机开机后,无信号的光栅上的噪粒子较大或呈椭圆状,且边缘模糊不清、色彩不纯,
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彩电收视多年后,普遍发生图像模糊且亮度下降的故障,潮湿的季节内该故障现象更为严重。一般故障机开机后,无信号的光栅上的噪粒子较大或呈椭圆状,且边缘模糊不清、色彩不纯,开机一小时以后,图像会逐渐变得清晰一些,此时若关机即刻又重新开机,图像变化不大;若关机数小时后再开机又会重复上述现象。
After many years of TV viewing, the common occurrence of fuzzy image and the brightness of the decline in the wet season, the phenomenon is more serious. General failure machine boot, signal-free grating noise particles larger or oval-shaped, and the edges blurred, impure color, boot one hour later, the image will gradually become more clear, and if the shutdown immediately Reboot, the image changes little; if the shutdown after a few hours and then reboot the above phenomenon will be repeated.
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