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F-32TROUBLESHOOTING AND REPAIRF-32

DISPLAY PC BOARD REMOVAL AND REPLACEMENT (continued)

FIGURE F.6 — DISPLAY PC BOARD REMOVAL AND REPLACEMENT.

DISPLAY

PC BOARD

J11

J10

MOUNTING

PIN

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REMOVAL PROCEDURE

1.Remove input power to the LN-10 unit.

2.Using the 5/16 in. nut driver, remove the two screws from the top of the con- trol panel.

3.Lower the control panel.

4.Locate and remove plug J11 from the display board. Observe static electricity precautions. See Figure F.6.

5.Carefully pry the display board from the six mounting pins. Note that the keypad is still attached to the display board via plug J10.

6.Carefully remove plug J10 from the dis- play board.

REPLACEMENT PROCEDURE

1.Install plug J10 into the new display board.

2.Mount the display board onto the six mounting pins.

3.Install plug J11 into the new display board.

4.Reinstall the control panel.

LN-10

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Lincoln Electric SVM154-A 32TROUBLESHOOTING and REPAIRF-32, Display PC Board Removal and Replacement, Removal Procedure

SVM154-A specifications

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