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F-37

F-37

TROUBLESHOOTING & REPAIR

FEED-THRU PC BOARD TEST (continued)

FEED THRU PC BOARD RESISTANCE TEST POINTS

Check Points

Component(s) Being

Maximum Allowable

 

Checked

Resistance

 

 

 

5J15 to 7J17

L1 and Board Trace

4.2 OHMS (3.9 Typical)

4J15 to 6J17

L2 and Board Trace

4.2 OHMS (3.9 Typical)

6J15 to 10J17

L4 and Board Trace

.60 OHMS (.50 Typical)

7J15 to 9J17

L5 and Board Trace

.60 OHMS (.50 Typical)

10J15 to 4J17

L6 and Board Trace

.60 OHMS (.50 Typical)

2J15 to 1J17

L7 and Board Trace

.60 OHMS (.50 Typical)

8J15 to 2J17

L8 and Board Trace

.60 OHMS (.50 Typical)

9J15 to 3J17

L9 and Board Trace

.60 OHMS (.50 Typical)

1J15 to 5J17

L10 and Board Trace

.60 OHMS (.50 Typical)

1J16 to 1J18

L11 and Board Trace

4.2 OHMS (3.9 Typical)

2J16 to 8J17

L12 and Board Trace

4.2 OHMS (3.9 Typical)

3J16 to 5J18

L13 and Board Trace

4.2 OHMS (3.9 Typical)

5J16 to 4J18

L15 and Board Trace

4.2 OHMS (3.9 Typical)

6J16 to 8J18

L16 and Board Trace

4.2 OHMS (3.9 Typical)

7J16 to 7J18

L17 and Board Trace

4.2 OHMS (3.9 Typical)

8J16 to 6J18

L18 and Board Trace

4.2 OHMS (3.9 Typical)

 

 

 

SQUARE WAVE TIG 355

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Image 86
Lincoln Electric SVM118-A service manual Feed Thru PC Board Resistance Test Points