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This video how to repair a 220Ad g-jbt multipro tig welding machine or how to service a multipro tig welding machine repair an ac dc tig welding machine this time continues the previous video so the damage to the fire tig welding machine does not come out or how to service the multipro tig welding machine is not damaged can make a weld while the welding machine is on normally and there is no problem with the settings but the voltage at the connector is not there even in MmA mode or in tig or argon mode
After checking the first check, check the voltage to make sure everything is normal and check the frequency is not out and it turns out that here the ic uc 3846 asks for a new one and finally replaces the ic and checks again the frequency has also come out and the gate voltage on each igbt is also normal, that's what one way to service the ac dc tig welding machine and it's not enough there, it turns out that the voltage still hasn't come out even though the oscillator or pmw has worked normally and checked again, it turns out that the tig model, especially the 220AD g-jbt multipro tig welding machine, does not directly go to the connector out but it is controlled or switched again with the engine module next to it and after trying to replace the 24z mosfet and ic 2845 in the mosfet the tig welding machine starts normally but the fire doesn't come out finally it can return to normal
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