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Recognizing and correcting the most common VCR defects

机译：识别并纠正最常见的VCR缺陷

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摘要

In every type of consumer electronics product, certain failures are more common than others. Some parts of the products work harder, handle higher voltages or currents, or are not designed as robustly as they should be. Servicing these products can be made more efficient if the technician knows where in the product to look when certain symptoms appear. Interestingly, because the design of products changes over the course of the years, the defects that were common during one period of time may become less common, and another set of defects may become more common. This is true of failure modes in VCRs over the past two decades.
机译：在每种类型的消费电子产品中，某些故障比其他故障更为常见。产品的某些部分会更努力地工作，承受更高的电压或电流，或者设计得不够坚固。如果技术人员知道某些症状出现时在产品中查找的位置，则可以更高效地维修这些产品。有趣的是，由于产品的设计多年来不断变化，因此在一个时期内常见的缺陷可能会变得不太普遍，而另一组缺陷可能会变得更加常见。过去二十年来，VCR的故障模式都是如此。

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