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TROUBLESHOOTING & REPAIR
F-27 F-27
SQUARE WAVE TIG 275
STATIC SCR TEST (continued)
FIGURE F.4 – PLUG J1 LOCATION ON CONTROL BOARD
S-W TIG 275 CONTROL
G3360-[ ]
J1
J8
TEST PROCEDURE
1. Remove main supply power to the TIG 275
and remove the case top and left side.
2. Locate and remove plug J1 from the control
board. See Figure F.4.