Lincoln Electric SVM145-B service manual J61 J62 J60

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F-45 F-45

TROUBLESHOOTING & REPAIR

RF BY-PASS BOARD RESISTANCE TEST (continued)

FIGURE F.19 – RF BY-PASS BOARD

J61

J62

J60

ARA

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4.Locate, label, and remove the three plugs from the RF By-Pass board. See Figure 19.

5.Using the phillips head screwdriver, remove the three mounting screws from the board.

NOTE: Take note of the screw and washer place- ment for reassembly.

6.Using the ohmmeter, check for the correct resistance readings per Table F.1. If any of the checks are not correct, the RF By-Pass Board may be faulty.

7.Replace the board making sure the mounting screws and washers are in place and tight.

8.Install the three plugs into the board.

9.Replace the front control panel.

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COMMANDER 300