And (j11). see figure f.2 at, Figure f.1 at end of this guide, The control board. see figure – Lincoln Electric SQUARE WAVE TIG 255 SVM100-A User Manual
Page 57: See figure f.1. the voltage, Troubleshooting & repair, Pc board connector locations, F-16
SQUARE WAVE TIG 255
F-16
TROUBLESHOOTING & REPAIR
SQUARE WAVE 255 CONTROL
G2150
J1
J2
J3
J4
J5
J6
J7
J8
1J3
2J3
12J6
13J6
5J6
6J6
PROTECTION/SNUBBER
L9255
J10
J11
J12
J13
J14
J15
1J10
12J10
1J11
10J11
1J12
14J12
1J13
16J13
1J14
8J14
1J15
6J15
PC BOARD CONNECTOR LOCATIONS
FIGURE F.2 - PROTECTION/SNUBBER BOARD CONNECTORS
FIGURE F.1 - CONTROL BOARD CONNECTORS