Datasheet
44895L Rev. 3 3/15/04 S400/S600 Maintenance Manual Page 4-63
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4. Refer to Figure 4-53. Note the positions of all ribbon cable and wire harness
connectors. Remove all connectors to the main logic board.
5. Remove the three screws securing the main logic board to the main frame.
6. Carefully grasping both sides of the main logic board, pull the board straight up from
the power supply connector and out of the unit. A gentle rocking motion of the main
logic board may be necessary to release it from the power supply board.
7. Inspect the back of the main logic board. Remove any contaminants with a cotton
swab and isopropyl alcohol (90% alcohol and 10% distilled water) on J14 (found at
the left edge of the board when looking at the back of the board).
8. Lay the main logic board on the anti-static mat face up.
9. Refer to Figure 4-54 on page 4-63. Remove the three mounting screws from the
memory board and put aside for use later.
Figure 4-54. Memory Board
Main Logic Board
Mounting
Screw
Mounting
Screws
Memory Board