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F-69

F-69

TROUBLESHOOTING & REPAIR

FEEDBACK INPUT TEST (continued)

FIGURE F.33. – Plug J2 & J3

Pin 1

Pin 2

Pin 6

 

Pin 2

 

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Plug J2

Pin 5

6.If the continuity is not present, check the 67 lead for poor connection. See the Wiring Diagram. Look closely for broken molex pins.

7.Plug J3 back into the control PC board.

8.If all continuity checks in this section are ok but the voltage checks from the previous section are off, replace the control board.

9.Using the Case Cover Removal and Replacement Procedure, install the control panel and side panels on the machine.

Plug J3

Pin 15

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COMMANDER 300

Page 125
Image 125
Lincoln Electric SVM145-B service manual Pin