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彩电中的一些中周、鉴频器及带通滤波器等元件中都可见到瓷管电容,该电容易受潮湿及灰尘的影响而氧化变值,常使彩电出现各种各样的故障。我解决的办法是: 1.对于氧化不严重的瓷管电容,只要用酒精轻轻洗去瓷管上的黑色氧化物或用小刀轻轻刮除,则万事大吉,可免去调中周之苦。
Some of the color TV in the week, the frequency discriminator and band-pass filter and other components can be seen in the ceramic tube capacitors, the capacitor susceptible to moisture and dust and oxidation variability, often a variety of color TV failure. My solution is: 1. For the oxidation is not serious porcelain capacitor, as long as the alcohol gently wash away the black oxide on the porcelain tube or gently scrape with a knife, then everything will be fine, you can avoid the bitter tune in the week .