Nellcor OXIMAX N-600X Series, Service Manual, Page: 180 / 210

Repairing the Oximeter
180
10030881 Rev. B 12-2008
Service Manual
Replacing the Main Board PCB
Caution
When installing the Main Board PCB, hand-tighten the six screws (4-in lbs maximum).
Overtightening could strip out the screw holes in the top case, rendering it unusable.
To replace the Main Board PCB:
1. Place the Main Board PCB in the top case.
2. Install the six screws in the Main Board PCB.
3. Lift up on the outer shell of J2
Removing the Display PCB,
Figure 131 on page 177,
on the Main Board PCB until it clicks into place.
4. Insert the keypad ribbon cable into J2 on the Main Board PCB.
5. Slide the outer shell of J2 down until it locks in place.
6. Insert the J200 cable into the Main Board PCB until it locks into place.
7. Connect the speaker cable to J9 on the Main Board PCB.
8. Connect the CCFL wire harness with two white wires to J4 on the Main Board PCB.
9. Connect the Display PCB ribbon cable to J7 on the Main Board PCB. Install the clip
over the J7 connector.
10.Follow the steps outlined in
Reassembling the Oximeter,
page 169.