供应 IMSET01 控制器
3HAC023533-004 |
3HAC023533-005 |
3HAC023537-002 |
3HAC023544-001 |
3HAC023545-001 |
3HAC023549-001 |
3HAC023551-001 |
3HAC023552-001 |
3HAC023553-001 |
3HAC023556-001 |
3HAC023559-001 |
3HAC023566-001 |
3HAC023567-001 |
3HAC023568-001 |
3HAC023571-001 |
3HAC023575-001 |
3HAC023576-001 |
3HAC023581-001 |
3HAC023599-001 |
3HAC0236-1 |
3HAC023618-004 |
3HAC023621-001 |
3HAC023621-003 |
3HAC023625-001 |
3HAC023634-001 |
3HAC023634-005 |
3HAC023637-001 |
3HAC023637-003 |
3HAC023637-004 |
3HAC023637-005 |
3HAC023637-007 |
3HAC023651-001 |
3HAC023651-005 |
3HAC023651-006 |
3HAC023651-007 |
3HAC023659-003 |
3HAC023660-003 |
3HAC023678-001 |
3HAC023679-001 |
3HAC023680-001 |
3HAC023681-001 |
供应 IMSET01 控制器
3HAC020122-001 |
3HAC020123-001 |
3HAC020126-001 |
3HAC020128-001 |
3HAC020129-003 |
3HAC020131-001 |
3HAC020136-004 |
3HAC020144-001 |
3HAC020146-001 |
3HAC020151-001 |
3HAC020155-001 |
3HAC020170-001 |
3HAC020174-001 |
3HAC020179-001 |
3HAC020209-001 |
3HAC020210-001 |
3HAC020211-001 |
3HAC020273-001 |
3HAC020285-001 |
3HAC020286-002 |
3HAC020295-001 |
3HAC020303-001 |
3HAC020304-001 |
3HAC020330-001 |
3HAC020332-003 |
3HAC020343-001 |
3HAC020345-001 |
3HAC020386-001 |
3HAC020397-001 |
3HAC020398-001 |
3HAC020399-001 |
3HAC020408-001 |
3HAC020410-001 |
3HAC020412-001 |
3HAC020413-001 |
3HAC020414-001 |
3HAC020415-001 |
3HAC020426-002 |
3HAC020426-006 |
3HAC020426-008 |
3HAC020426-009 |
3HAC020428-002 |
3HAC020428-006 |
3HAC020428-008 |
供应 IMSET01 控制器
140CFE03200 |
140CFG01600 |
140CFH00800 |
140CFI00800 |
140CFI08000 |
140CFJ00400 |
140CFK00400 |
140CFU00600 |
140CFU40000 |
140CFX00110 |
140CFX00210 |
140CHS11000 |
140CHS32000 |
140CHS41020 |
140CPS11100 |
140CPS11400 |
140CPS11410 |
140CPS11420 |
140CPS12400 |
140CPS12420 |
140CPS21100 |
140CPS21400 |
140CPS22400 |
140CPS41400 |
140CPS42400 |
140CPU11302 |
140CPU11303 |
140CPU21304 |
140CPU42401 |
140CPU42402 |
140CPU43412 |
140CPU43412A |
140CPU43412C |
140CPU43412U |
140CPU53414 |
140CPU53414A |
140CPU53414B |
140CPU65150 |
供应 IMSET01 控制器
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。