大成恒业（北京）科技有限公司是一家专业从事变频器、直流调速器、伺服驱动器、电路板、PLC、触摸显示屏、UPS电源及各类进口国产电源、工控系统主板维修的高科技企业。昔日人们视为畏途的工控系统板等大型、复杂、高价值电路板，如今已成为我公司的维修主打项目。

二、技术特点

1、对各种设备电路板进行无图纸芯片级维修。

2、使用先进的维修测试仪器，可以在线对集成电路元器件进行功能测试、比较测试。

3、对可编程器件进行存储、烧录。

4、维修产品种类繁多，经验丰富，器件资料齐全

  以下是一些维修型号：

6SN1118-0DB12-0AA0 6SN1153-3JX20-0AB0 6SN1197-0AB10-0YP1 6SN2155-2CH10-1BA0
      6SN1118-0DB13-0AA0 6SN1153-3JX20-0AB3 6SN1197-0AB10-0YP2 6SN2155-2CH11-1BA0
      6SN1118-0DG21-0AA1 6SN1153-3JX20-1AB0 6SN1197-0AB20-0AP6 6SN2155-2CH20-1BA0
      6SN1118-0DG22-0AA1 6SN1153-3JX20-1AB3 6SN1197-0AB20-0AP7 6SN2155-2CH21-1BA0
      6SN1118-0DG23-0AA1 6SN1153-4JX20-1AB0 6SN1197-0AB20-0BP5 6SN2155-2CK10-1BA0
      6SN1118-0DH21-0AA1 6SN1153-4JX20-1AB3 6SN1197-0AB20-0BP6 6SN2155-2CK11-1BA0
      6SN1118-0DH22-0AA1 6SN1153-7NX20-1AG0 6SN1197-0AB20-0CP5 6SN2155-2CK20-1BA0
      6SN1118-0DH23-0AA1 6SN1153-8AX10-1AB0 6SN1197-0AB20-0CP6 6SN2155-2CK21-1BA0
      6SN1118-0DJ21-0AA0 6SN1161-1AA00-0AA1 6SN1197-0AB20-0CP7 6SN2155-2CM10-1BA0
      6SN1118-0DJ23-0AA0 6SN1161-1AA00-0BA0 6SN1197-0AB20-0DP5 6SN2155-2CM11-1BA0
      6SN1118-0DK21-0AA0 6SN1161-1AA01-0AA0 6SN1197-0AB20-0DP6 6SN2155-2CM20-1BA0
      6SN1118-0DK23-0AA0 6SN1161-1AA01-0BA0 6SN1197-0AB20-0DP7 6SN2155-2CM21-1BA0
      6SN1118-0DM11-0AA1 6SN1161-1CA00-0AA0 6SN1197-0AB20-0EP5 6SN2155-2CP10-1BA0
      6SN1118-0DM13-0AA1 6SN1161-1CA00-0AA1 6SN1197-0AB20-0EP6 6SN2155-2CP11-1BA0
      6SN1118-0DM21-0AA0 6SN1161-1CA00-0BA0 6SN1197-0AB20-0EP7 6SN2155-2CP20-1BA0
      6SN1118-0DM23-0AA0 6SN1161-1CA00-0BA1 6SN1197-0AB20-0PP3 6SN2155-2CP21-1BA0
      6SN1118-0DM31-0AA0 6SN1161-1CA00-0CA0 6SN1197-0AB30-0AP1 6SN2155-2DU10-1BA0
      6SN1118-0DM33-0AA0 6SN1161-1CA00-0CA1 6SN1197-0AB30-0BP1 6SN2155-2DU11-1BA0
      6SN1118-0NH01-0AA0 6SN1161-1CA00-0DA0 6SN1197-0AB30-0CP1 6SN2157-0AA00-1BA0
      6SN1118-0NH11-0AA0 6SN1161-1CA00-0EA0 6SN1197-0AB30-0DP1 6SN2157-0AA01-0BA0
      6SN1118-0NJ01-0AA0 6SN1161-1CA00-0EA1 6SN1197-0AB30-0EP1 6SN2197-0AA00-0AP4
      6SN1118-0NK01-0AA0 6SN1161-1CA00-0FA0 6SN1197-0AB60-0AP2 6SN2197-0AA00-0AP5
      6SN1118-1NH01-0AA0 6SN1161-1DA00-0AA0 6SN1197-0AB60-0AP3 6SN2197-0AA00-0BP4
      6SN1118-1NJ01-0AA0 6SN1162-0BA01-0AA0 6SN1197-0AB60-0BP2 6SN2197-0AA00-0CP4
      6SN1118-1NK01-0AA0 6SN1162-0BA02-0AA2 6SN1197-0AB60-0CP2 6SN2197-0AA00-0DP4
      6SN1121-0BA11-0AA1 6SN1162-0BA03-0AA1 6SN1197-0AB60-0DP1 6SN2197-0AA00-0EP4
      6SN1121-0DA11-0AA0 6SN1162-0BA03-0CA1 6SN1197-0AB60-0EP2 6SN2197-0AA20-0AP3
      6SN1121-0DA13-0AA0 6SN1162-0BA04-0AA1 6SN1197-0AB70-0AP4 6SN2197-0AA20-0AP4
      6SN1122-0BA11-0AA1 6SN1162-0BA04-0BA1 6SN1197-0AB70-0BP4 6SN2197-0AA20-0BP2
      6SN1123-1AA00-0AA1 6SN1162-0BA04-0CA1 6SN1197-0AB70-0CP3 6SN2197-0AA20-0BP3
      6SN1123-1AA00-0BA1 6SN1162-0BA04-0DA1 6SN1197-0AB80-0AP0 6SN2197-0AA20-0CP2
      6SN1123-1AA00-0CA1 6SN1162-0BA04-0EA0 6SN1197-0AB80-0BP0 6SN2197-0AA20-0CP3
      6SN1123-1AA00-0DA1 6SN1162-0BA04-0FA1 6SN1197-0AB80-0CP0 6SN2197-0AA20-0DP2
      6SN1123-1AA00-0EA1 6SN1162-0BA04-0GA1 6SN1197-0AB80-0DP0 6SN2197-0AA20-0DP3
      6SN1123-1AA00-0HA1 6SN1162-0BA04-0HA0 6SN1197-0AB80-0EP0 6SN2197-0AA20-0EP2
      6SN1123-1AA00-0JA1 6SN1162-0BA04-0HA1 6SN1197-0AC00-0AP2 6SN2197-0AA20-0EP3
      6SN1123-1AA00-0KA1 6SN1162-0BA04-0JA0 6SN1197-0AC00-0AP4 6SN2460-2BF00-0G..
      6SN1123-1AA00-0LA1 6SN1162-0BA06-0BA0 6SN1197-0AC00-0BP2 6SN2463-2BF00-0G..
      6SN1123-1AA01-0FA1 6SN1162-0BA06-0CA0 6SN1197-0AC00-0BP4 6SN2480-2BF00-0G..
      6SN1123-1AA02-0FA1 6SN1162-0BA06-1AA0 6SN1197-0AC00-0CP0 6SN2483-2BF00-0G..
      6SN1123-1AB00-0AA1 6SN1162-0BA07-0AA0 6SN1197-0AC00-0CP4 6SN2500-2BF00-0G..
      6SN1123-1AB00-0BA1 6SN1162-0BA07-0BA0 6SN1197-0AC10-0AP0 6SN2703-2AA00-0BA0
      6SN1123-1AB00-0CA1 6SN1162-0BA07-0CA0 6SN1197-0AC10-0BP0 6SN2703-2AA00-0CA0
      6SN1123-1AB00-0HA1 6SN1162-0EA00-0AA0 6SN1197-0AC60-0AP0 6SN2703-2AA03-0BA0
      6SN1124-1AA00-0AA1 6SN1162-0EA00-0BA0 6SN1197-0AC60-0BP0 6SN2703-2AA03-0CA0
      6SN1124-1AA00-0BA1 6SN1162-0EA00-0CA0 6SN1197-0AC60-0CP0 6SN2703-2AB00-0BA0
      6SN1111-0AA00-0BA1 6SN1124-1AA00-0KA1 6SN1162-0EB00-0DA0 6SN1197-0AD03-0CP0
      6SN1111-0AA00-0BB1 6SN1124-1AA00-0LA1 6SN1162-0EB00-0JA0 6SN1197-0AD03-0DP0
      6SN1111-0AA00-0BC0 6SN1124-1AA01-0FA1 6SN1162-0FA00-0AA0 6SN1197-0AD03-0EP0
      6SN1111-0AA00-0CA1 6SN1124-1AB00-0AA1 6SN1162-0GA00-0BA0 6SN1197-0AD04-0AP0