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TEL:+86-0755-8860 0918
FAX:+86-0755-88600918
Mobile:+86-131 3888 7899
ATT:Felix
E-mail:sales@pcbkey.com
service@pcbkey.com
Bulding 7, Bilong Industry Park,27
Fazhan Road,BantianStreet Area
LongGang District,Shenzhen,China
Zip: 518129
在PCB抄板完成,在样机测试无法达到预期效果时,需要检修,现东导科技汇总出在组装焊接中参见问题点,可进行针对性的检查;
1.元器件缺失;
2.元器件故障;
3.元器件存在安装误差,未对准;
4.元器件失效;
5.沾锡不良;
6.桥接;
7.焊锡不足;
8.焊料过多形成锡球;
9.形成焊接针孔(气泡) ;
10.有污染物;
11.不适当的焊盘;
12.极性错误;
13.引脚浮起;
14.引脚伸出过长;
15.出现冷焊接点;
16.焊锡过;
17.焊锡空洞;
18.有吹气孔;