Lincoln Electric SVM161-A service manual Off Ga-Sa

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F-41 TROUBLESHOOTING AND REPAIR F-41

SECONDARY OUTPUT BOARD ASSEMBLY TEST (continued)

FIGURE F.20 – SECONDARY POWER BOARD TEST POINT LOCATIONS

A 10K Ohms 10K Ohms

GA SA SB GB

I II I

3

B

2

1

TABLE F.13 – VOLTAGE CHECKS WITH 115 VAC APPLIED TO MACHINE

Generator/Mode	Test Point	Value
ON/STICK	GA[+],SA[-]	-13 VDC
ON/STICK	GB[+],SB[-]	+13 VDC
ON/STICK	3[+],1[-]	+ 0.5 VDC
ON/STICK	1[+]2[-]	+ 105 VDC
ON/STICK	OCV @ Outpt Terminals	+ 52 VDC
OFF/-	R GA-SA	10 K Ohms
OFF/-	R GB-SB	10 K Ohms

INVERTEC® V205-T AC/DC™