Troubleshooting & repair, Power board removal and replacement (continued) – Lincoln Electric INVERTEC V350-PRO SVM152-A User Manual
Page 117
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5. Locate the three plug connections. J41, J42 and
J43. See figure F.35.
6. Carefully remove the three plugs from the power
board.
7. Remove the four screws and associated washers
at the corners of the board using a flathead screw-
driver. Board is ready for removal. Note the posi-
tion of washers upon removal.
8. Remove the power board.
9. Replace with new power board.
10. Secure the new power board into its proper posi-
tion with the four screws and washers previously
removed.
11. Replace the three plugs previously removed.
Plugs J41, J42 and J43.
12. Replace the case wraparound cover.
TROUBLESHOOTING & REPAIR
POWER BOARD REMOVAL AND REPLACEMENT (continued)
F-79
F-79
V350-PRO
J42
J41
J43
FIGURE F.35 – POWER BOARD LEAD LOCATION
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