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图片中那个黄色高一点色环电阻,是自己焊接上的,当时烧焦部位就在那里,我看好像是个电阻,当时也不知多大,就随便焊了一个电阻,结果没任何反映!
本人小白,对无线电只是爱好,不太懂?关键的是故障不知具体在哪儿?具体怎样修复?求高人指数!万分感谢!