1、清点材料:按材料清单一一对应,记清每个元件的名称与外形
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/e4dde71190ef76c6bc9baccc9316fdfaae51678f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、二极管、电容、电阻的认识:元件的大小与极性一定不能弄错
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/024f78f0f736afc3f1946882bd19ebc4b64512b8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、焊接前的准备工作
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/63d9f2d3572c11df1110e8c46d2762d0f603c210?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、元器件焊接与安装:不仅要位置正确,还要焊接可靠,形状美观。焊接前电阻要看清阻值大小,并用万用表校核。电容、二极管要看清极性。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a50f4bfbfbedab64802d1b27f936afc378311efd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、印制板正面的安装
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3801213fb80e7bec5ab95506212eb9389a506bf1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、印制板反面的安装
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/72f082025aafa40fcb89983aa564034f79f0198d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、前框准备
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b2de9c82d158ccbf5bace4dd17d8bc3eb03541c0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
8、调整中频频率第一步
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9825bc315c6034a874bae966c5134954082376f8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
9、调整中频频率第二步
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b7fd5266d0160924c77ef3fcda0735fae7cd34f9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
10、调整频率范围(对刻度)——调低端
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a1ec08fa513d2697994559ba5bfbb2fb4216d847?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
11、调整频率范围(对刻度)——调高端
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0b46f21fbe096b6322b90fb702338744eaf8acb1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
12、统调——低端统调
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6609c93d70cf3bc7d08e9b0bdf00baa1cc112a4e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
13、统调——高端统调
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/32fa828ba61ea8d3bdaf25e3990a304e241f5843?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)