供应 MKS51A010-503-50 电缆
| 31CO22-503-4-00 |
| 31CO40-503-4-00 |
| 31COO8-503-4 |
| 40A0110-5A3-4-00 |
| MAS51A005-503-00 |
| MAS51A030-503-02 |
| MCF40A0370-503-4-00 |
| MDF60A0110-5A3-4-OT |
| MDS60A0040-5A3-4-00 |
| MDV60A0015-2A3-4-00 |
| MDV60A0015-5A3-4-00 |
| MDV60A0110-5A3-4-OT |
| MDX61B0055-5A3-4-OT |
| MKS51A005-503-00 |
| MKS51A005-503-50 |
| MKS51A010-503-00 |
| MKS51A010-503-50 |
| MM07A-503-00 |
| MM07A-503-02 |
| MM07C-503-00 |
| MM15C-503-00 |
| MPB50A027-403-01 |
| MPR51A015-503-00 |
| 0504-231-1-00 |
| 0508-231-1-00 |
| 1006-403-4-00 |
| 1015-403-1-00 |
| 1015-403-4-00 |
| 1122-403-1-00 |
供应 MKS51A010-503-50 电缆
| SNAP-IDC5-SW |
| SNAP-IDC5-SW-NC |
| SNAP-LCE |
| SNAP-LCM4 |
| SNAP-MODLATCHB |
| SNAP-OAC5 |
| SNAP-OAC5-I |
| SNAP-OAC5MA |
| SNAP-ODC5A-I |
| SNAP-ODC5ASNK |
| SNAP-ODC5-I |
| SNAP-ODC5MA |
| SNAP-ODC5R5 |
| SNAP-ODC5SNK |
| SNAP-ODC5SRC |
| SNAP-PH/ORP |
| SNAP-PID-V |
| SNAP-PS24 |
| SNAP-PS5-24DC |
| SNAP-PSDIN |
| SNAP-RACKDINB |
| SNAP-RETN4B |
| SNAP-RETN6B |
| SNAP-SCM-232 |
| SNAP-SCM-485 |
| SNAP-SCM-W2 |
| SNAP-STRAP |
| SNAP-UP1-M64 |
| SNAP-WIRESTRAP |
供应 MKS51A010-503-50 电缆
| 140AMM09000 |
| 140ARI03000 |
| 140ARI03010 |
| 140ATI03000 |
| 140AVI03000 |
| 140AVO02000 |
| 140CFA04000 |
| 140CFB03200 |
| 140CFC03200 |
| 140CFD03200 |
| 140CFE03200 |
| 140CFG01600 |
| 140CFH00800 |
| 140CFI00800 |
| 140CFI08000 |
| 140CFJ00400 |
| 140CFK00400 |
| 140CFU00600 |
| 140CFU40000 |
| 140CFX00110 |
| 140CFX00210 |
| 140CHS11000 |
供应 MKS51A010-503-50 电缆
1、是否有断线;
2、分力元件如电阻、电解电容、电感、二极管、三极管等时候存在断开现象;
3、电路板上的印制板连接线是否存在断裂、粘连等;
4、是否有人修过?动过哪些元器件?是否存在虚焊、漏焊、插反等操作方面的失误;
在确定了被修无上述状况后,首先用万用表测量电路板电源和地之间的阻值,通常电路板的阻值都在70-80?以上,若阻值太小,才几个或十几个欧姆,说明电路板上有元器件被击穿或部分击穿,就必须采取措施将被击穿的元器件找出来。具体办法是给被修板供电,用手去摸电路板上各器件的
温度,烫手的讲师重点怀疑对象。若阻值正常,用万用表测量板上的阻、二极管、三极管、场效应管、拨段开关等分力元件,其目的就是首先要确保测量过的元件是正常的,我们的理由是,能用万用表解决的问题,就不要把它复杂化。