Troubleshooting & repair, Static scr test – Lincoln Electric MULTI-SOURCE SVM155-A User Manual
Page 50
F-22
F-22
STATIC SCR TEST
(Continued)
TROUBLESHOOTING & REPAIR
MULTI-SOURCE
1.
Remove main supply power to the
machine.
2. Remove the roof and case sides.
3. Lower the front control panel.
4. Remove Plug J4 from the firing board. See
Figure F.7.
FIRING BOARD
J5
J6
J8
J4
J7
Plug J4
FIGURE F.7. FIRING BOARD LED & PLUG LOCATIONS
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