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随身听收放机(或单放机、收录机)现已十分普及,尤其是在大学及中学中,几乎半数以上的学生都有。然而,这种机子因使用频繁,故障率较高,且坏了往往求修无门或收费昂贵,故常使消费者感到烦恼。其实随身听最常见的故障是无声、单声道无声和走带不正常三种。这三种故障大多不难修,一般稍具基础的初学者只要掌握了一定的维修技巧就能快速予以修复,下面结合几个维修实例向大家介绍一些维修技巧,供参考。 无声故障的检修 根据大量维修实践总结,随身听无声故障的原因主要有:(1)耳机断线或耳机插座损坏。(2)外接电源插座不良。(3)电池漏液使印制线路被蚀断或产生漏电。(4)因机子被摔跌或经不当拆修而使机内引线或印制线路断裂。(5)外接电源不当(通常是误接高电压)而使机内集成块或保险管等元件被烧坏。(6)电池接触不良。
Walkman players (or stand-alone players, deck recorders) are now gaining popularity, especially in universities and secondary schools, where nearly half of students have it. However, such machines are often annoyed by consumers due to their frequent use, high failure rates, and their often underutilized or expensive charges. In fact, the most common fault Walkman is silent, silent and unacceptable three. Most of these three failures are not difficult to repair, generally a little basic beginner as long as the mastery of certain maintenance skills can be quickly restored, the following combination of several maintenance examples to introduce some maintenance skills for your reference. Silent fault repair According to a large number of maintenance practice summary, Walkman silent main reasons are: (1) headphone break or headphone jack damage. (2) bad external power outlet. (3) battery leakage so that the printed circuit is etched or produce leakage. (4) due to the machine was dropped or improperly dismantled lead or printed circuit line machine fracture. (5) improper external power supply (usually mistakenly connected to high voltage) and make the machine integrated block or fuse and other components are burned. (6) Poor battery contact.