Revision D 250 Series Maternal/Fetal Monitor 6-11
2020551-001
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
12. Connect 8-conductor Inverter cable to DSP board connector J1.
13. Connect 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.
15. Place top cover. Re-insert screws.
2025177-008 FECG/UA Board
1. Remove top cover. Keep screws aside.
2. Remove two screws fastening DSP board to chassis. Keep screws aside.
3. Remove DSP board from Main board, but do not fully remove from chassis.
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. (If MECG is installed) Disconnect MECG cable from MECG board connector.
8. Remove MECG (if installed) and FECG board from Front-end Motherboard.
9. (If MECG is installed) Remove two screws fastening MECG board to FECG
board.
10. (If MECG is installed) Remove MECG board from FECG board.
11. (If MECG is installed) Insert MECG board onto new FECG board and fasten
with two screws.
12. Insert MECG (if installed) and new FECG board into Front-End Motherboard.
13. (If MECG is installed) Connect MECG cable to MECG board connector.
14. Replace card cage cover. Re-insert screws.
15. Reconnect 8-conductor Inverter cable to DSP board connector J1.
16. Reconnect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
17. Place DSP board onto Main board. Use two screws to fasten DSP board to
chassis.
18. Place top cover. Re-insert screws.
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.
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