松下焊机维修资料.pdf

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1、波形控制交直流脉冲TIG焊机YC-300WX4HGE维修指南唐山松下产业机器有限公司焊接学校1目录程序P板ZUEP1313或ZUEP1330的检测电压..........................................................................................3故障检查及修理..................................................................................

2、..............................................................8报警指示灯亮时的对策..................................................................................................................................11电路介绍..............................................

3、............................................................................................................12IGBT的检测方法........................................................................................................................................

4、...13如何检测驱动信号..........................................................................................................................................141-2次级逆变...............................................................................................

5、....................................................15次级晶体管的检测..........................................................................................................................................16如何检测驱动信号.............................................

6、.............................................................................................172-1．时序图（程序板ZEUP1313）............................................................................................................182-2.时序图（无收弧）..................

7、......................................................................................................192-3.时序图3（有收弧）.....................................................................................................................202-4.时序图4（有收弧）......

8、...............................................................................................................212-5.焊炬开关电路............................................................................................