GE DEH-40417 Logic Board Replacement, Logic board and part locations, Removing the Logic Board

ASTAT ®-IBP Plus Service Instructions

Logic Board Replacement

CAUTION: Always handle circuit boards by their edges and do not distort the parts on the circuit boards.

ATTENTION: Il faut toujours manipuler les plaques de circuits par leurs côtés et ne pas déformer les pièces sur les plaques de circuits.

1.Remove the ASTAT-IBP cover as described in steps 1–2 of Cover Removal and Replacement.

2.Unplug the two ribbon cables from the Logic Board, as shown in Figure 3.

3.Remove the four corner screws holding the Logic Board to the stand-offs below the Logic Board. Lift the Logic Board straight up to remove it, as illustrated in Figure 4.

4.Reassemble the Logic Board to the starter. With the display on the Logic Board at the upper left corner, place the board on the stand-offs. Reattach the four screws holding the Logic Board to the stand-offs.

5.Reattach the two ribbon cables. Ensure that the ribbon cable at the bottom of the ASTAT-IBP is fully seated on both circuit boards and that the ribbon cable does not interfere with or touch the cover.

6.Reinstall the plastic cover and the terminal connectors as described in steps 3–4 of Cover Removal and Replacement.

Screws Logic Board

Unplug Cable	Power Supply
Ribbon	Board

Figure 3. Logic board and part locations.

Logic Board

Cable Ribbon

Figure 4. Removing the Logic Board.

2 Prices and data subject to change without notice.