Revision C 250cx Series Maternal/Fetal Monitor 6-15
2036947-001
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
26. Connect IUP cable to Front-end Motherboard.
27. Connect FECG cable to Front-end Motherboard.
28. Place FECG ground cable onto chassis post and tighten with nut.
29. Insert MECG and FECG cable beads into chassis bead clips.
30. Insert MSpO
2
cable beads into chassis bead clips.
31. Insert three insulating metal sheets onto Front-end Motherboard.
32. Insert Isolated Power Supply board onto Front-end Motherboard.
33. Insert MECG/FECG board assembly onto Front-end Motherboard.
34. Connect MECG cable to MECG board connector.
35. Insert SpO
2
Carrier board assembly onto Front-end Motherboard.
36. Connect MSpO
2
cable to SpO
2
Carrier board connector.
37. Insert Ultrasound board onto Front-end Motherboard.
38. Connect Ultrasound cables to Ultrasound board connectors. The left-most
Ultrasound connector US1 cable goes to the rear connector on Ultrasound
board, J5.
39. Replace card cage cover. Re-insert screws.
40. Connect 8-conductor Inverter cable to DSP board connector J1.
41. Connect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
42. Place DSP board onto board. Use two screws to fasten DSP board to chassis.
43. Place top cover. Re-insert screws.
2025177-036 Chassis
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.
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. Disconnect 10-conductor DSP-to-Keypad ribbon cable from DSP board
connector J5.
7. Disconnect external display cable from J9 on DSP/Display PWA.
8. Open Recorder door, as it will interfere with front bezel movement.
9. Tilt the front bezel forward, away from the chassis.
10. Remove card cage cover. Keep screws aside.
11. Disconnect Ultrasound cables from Ultrasound board connectors.
12. Disconnect MSpO
2
cable from SpO
2
Carrier board connector.
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