Lincoln Electric INVERTEC SVM161-A - Manual (Page 81)

GA SA SB GB
I I I I
10K Ohms 10K Ohms
1
2
3
A
B
FIGURE F.20 – SECONDARY POWER BOARD TEST POINT LOCATIONS
SECONDARY OUTPUT BOARD ASSEMBLY TEST (continued)
TROUBLESHOOTING AND REPAIR F-41 F-41
INVERTEC® V205-T AC/DC™
TABLE F.13 – VOLTAGE CHECKS WITH 115 VAC APPLIED TO MACHINE
Generator/Mode
ON/STICK
ON/STICK
ON/STICK
ON/STICK
ON/STICK
OFF/-
OFF/-
Test Point
GA[+],SA[-]
GB[+],SB[-]
3[+],1[-]
1[+]2[-]
OCV @ Outpt Terminals
R GA-SA
R GB-SB
Value
-13 VDC
+13 VDC
+ 0.5 VDC
+ 105 VDC
+ 52 VDC
10 K Ohms
10 K Ohms
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