12-8 120 Series Maternal/Fetal Monitor Revision B
2015590-001
Upgrading a 120 Series Monitor: Nellcor MSpO2 and NBP Option Upgrade Kit
14. Peel off the adhesive backing from the new membrane switch panel supplied
with the kit.
15. Insert the new membrane switch panel into place in the front bezel—adhesive
side up. Ensure the switch panel is oriented correctly.
16. Carefully line up the new bracket (provided in the kit) with the screw holes and
press into place over the membrane switch panel.
17. Secure the bracket to the front bezel using the five #4-40 x 3/16 screws
provided in the kit.
18. Re-connect the Trim Knob cable assembly to the six pin connector on the
membrane switch panel.
19. Ensure the front end harness cable ferrite beads are inserted in the
corresponding clips. (Refer to Figure 12-6.)
20. Replace the front bezel and secure with all four screws.
21. Re-connect the ribbon cable from the DSP Board to the membrane switch
panel.
22. Re-connect the Power Supply harness cable to J1 on the Recorder Board.
23. Re-connect the ribbon cable from the Main Motherboard to J2 on the Recorder
Board.
24. Re-connect the display interconnect cable to the DSP Board at J5.
25. Remove the adhesive backing from the overlay label and carefully align over
the front panel membrane switches. (Refer to Figure 12-7.)
26. Remove the Blood Pressure Board from its anti-static container.
27. Insert the Blood Pressure Board into the slot labeled J4 on the Main
Motherboard. (Refer to Figure 12-8.)
28. Secure the board to the chassis using the two #6-32 x 3/8 screws provided in the
kit.
29. Route the blood pressure tubing through the notch at the top of the DSP Board.
(See Figure 12-8.)
30. Attach the tubes to the nipples located at the divider to the recorder cavity. (See
Figure 12-8.)
31. Remove the hold-down cover for the front end boards. Three screws secure the
top; one screw is located on the side panel.
32. If FSpO
2 is already installed in your monitor, disconnect the FSpO2 harness
cable from the FSpO
2 Board at J1. Remove the Oximeter Carrier Board from
the Front End Motherboard; this board occupies the second slot from the left
while facing the front of the monitor.
If FSpO
2 is not installed in your monitor, remove the Oximeter Carrier Board
from its anti-static container.