Nellcor OXIMAX N-600X Series, Service Manual, Page: 179 / 210

Main Board PCB Replacement
Service Manual
10030881 Rev. B 12-2008
179
Main Board PCB Replacement
Removing the Main Board PCB
To remove the Main Board PCB:
1. Turn the oximeter off by pressing the ON/STANDBY button.
2. Disconnect the oximeter from the AC power source and complete the steps
outlined in
Disassembling the Oximeter,
page 167.
3. Disconnect the CCFL harness (two white wires) from J4 of the Main Board PCB.
See
Removing the Display PCB,
Figure 131 on page 177.
4. Use a small blade screwdriver to open the clip from either edge of J7, then
disconnect the Display PCB ribbon cable from the connector.
5. Disconnect the keypad ribbon cable from connector J2 on the Main Board PCB.
See
Removing the Display PCB,
Figure 131 on page 177.
6. Lift up on the ribbon cable's outer shell until it clicks, then remove the cable from
the connector.
7. Disconnect the speaker cable from J9 on the Main Board PCB.
8. Remove the six screws in the Main Board PCB as shown.
9. Remove the Main Board PCB from the top case.
Figure 132.
Removing the Main Board PCB
POX_10117_A