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彩色电视机所用的显像管管座容易进入潮气。导致聚焦盒内的绝缘下降,促使聚焦盒漏电。随着漏电程度的不同,机器的故障现象也各不相同。比如:有光栅散焦,图像模糊;有单基色光栅且无图像;有“三无”故障;有无图像,满屏回扫线;有光栅从暗到正常需经30多分钟左右等等现象,不胜枚举。即使
Cinema TV sets used in color TV sets easily into the moisture. As a result, the insulation inside the focusing box decreases, causing the focusing box to leak electricity. With the different degree of leakage, the failure of the machine are also different. For example: a grating defocus, fuzzy image; a single-color grating and no image; a “three no” failure; with or without images, full screen flyback line; grating from dark to normal by more than 30 minutes and so on , Too numerous to mention. even if