Lincoln Electric SVM186-A Welder User Manual


 
PLUG J2 REMOVED
PRECISION TIG 225 CONTROL
J2
J3
J4
FIGURE F.9 PLUG J2 ON CONTROL BOARD
SCR BRIDGE ASSEMBLY
REMOVAL AND REPLACEMENT PROCEDURE (continued)
TROUBLESHOOTING AND REPAIR
F-42 F-42
PRECISION TIG® 225
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FIGURE F.10 DIODE PIGTAIL CONNECTION TO POLARITY SWITCH LEAD.
DIODE
PIGTAIL
CONNECTION