I try to repair servopack yaskawa varispeed 626MTII, after power supply fault, I have broken positioning card. I found some pdf for 626MTII but only width simple magnetic sensor positioning card. My card are based on 8031 CPU and using encoder. I found similar card in 626MTiIi pdf but it's not...
Hi, I have problem width CNC2101 controler, after repair 5v and -15V power supply section, all power led's light, on front panel led "?" on and CRT show "00". I found it's supply voltage below 18V. I have schematic but power suply page are missing. Maybe voltage control circuit fault ? On RAM...
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