GE Corometrics 250cx Series

6-12 250cx Series Maternal/Fetal Monitor Revision C
2036947-001
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
2025177-009 Isolated Power Supply Board
1. Remove top cover. Keep screws aside.
2. Remove two screws fastening DSP board to chassis.
3. Remove DSP board from board.
4. Disconnect 8-conductor Inverter cable from DSP board connector J1.
5. Disconnect 20-conductor DSP-to-LCD Decoder ribbon cable from DSP board
connector J2.
6. Remove card cage cover. Keep screws aside.
7. Remove Isolated Power Supply board from Front-end Motherboard.
8. Insert new Isolated Power Supply board into Front-End Motherboard.
9. Replace card cage cover. Re-insert screws.
10. Reconnect 8-conductor Inverter cable to DSP board connector J1.
11. Reconnect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
12. Place DSP board onto board. Use two screws to fasten DSP board to chassis.
13. Place top cover. Re-insert screws.
2025177-010 SpO
2
Carrier Board with Nellcor MSpO
2
Module
1. Remove top cover. Keep screws aside.
2. Remove two screws fastening DSP board to chassis.
3. Remove DSP board from Main board.
4. Disconnect 8-conductor Inverter cable from DSP board connector J1.
5. Disconnect 20-conductor DSP-to-LCD Decoder ribbon cable from DSP board
connector J2.
6. Remove card cage cover. Keep screws aside.
7. Disconnect MSpO
2
cable from SpO
2
Carrier board connector.
8. Remove SpO
2
Carrier board with Nellcor MSpO
2
Module assembly from
Front-end Motherboard.
9. Insert new SpO
2
Carrier board with Nellcor MSpO
2
Module assembly into
Front-End Motherboard.
10. Reconnect MSpO
2
cable to SpO
2
Carrier board connector J10.
11. Replace card cage cover. Re-insert screws.
12. Reconnect 8-conductor Inverter cable to DSP board connector J1.
13. Reconnect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
14. Place DSP board onto Main board. Use two screws to fasten DSP board to
chassis.