GE Corometrics 250cx Series Service Manual

6-16 250cx Series Maternal/Fetal Monitor Revision C
2036947-001
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
13. Disconnect MECG cable from MECG board connector.
14. Remove MSpO
2
cable beads from chassis bead clips.
15. Remove MECG and FECG cable beads from chassis bead clips.
16. Remove FECG ground cable from chassis post by removing nut.
17. Disconnect FECG cable from Front-end Motherboard.
18. Disconnect IUP cable from Front-end Motherboard.
19. Disconnect two red Pneumatics tubes from Front-bezel NIBP connector.
20. Pull red tubes through chassis grommet away from Front-bezel.
21. Disconnect orange connector receptacle of power switch cable assembly from
orange chassis-mounted plug.
22. Remove front bezel from chassis tabs.
23. Remove Ultrasound board from Front-end Motherboard. Remove SpO
2
Carrier
board assembly from Front-end Motherboard.
24. Remove MECG/FECG board assembly from Front-end Motherboard.
25. Remove Isolated Power Supply board from Front-end Motherboard.
26. Remove three insulating metal sheets from Front-end Motherboard.
27. Remove five screws fastening the Front-end Motherboard to the chassis.
28. Remove Front-end Motherboard.
29. Disconnect 20-conductor Recorder ribbon cable from Main board connector J9.
30. Disconnect power supply cable from J1 connector on Recorder board.
31. Disconnect Recorder EMC ground wire Fast-on tab from chassis.
32. Remove four screws fastening Recorder assembly mounting bracket to chassis.
33. Remove Recorder assembly and mounting bracket.
34. Remove two screws fastening Pneumatics assembly to chassis.
35. Disconnect clear tubing from both PT1 and PT2 on the Main board.
36. Remove Pneumatics assembly from the Main board.
37. Remove four screws fastening the Comm. Board to the chassis.
38. Remove Comm. board from Main board.
39. Disconnect power supply cable from Main board connector J8.
40. Disconnect speaker cable from Main board connector J10.
41. Remove six screws that fasten Main board to chassis.
42. Remove Main board with EMI plate from chassis.
43. Cut tie-wrap holding power-switch cable to cable-tie mount on chassis.
44. Remove power supply chassis-mounted connector from chassis.
45. Remove cable-tie mount from side of chassis.
46. Disconnect Power Supply cable from J1 connector on Recorder board.

GE Corometrics 250cx Series Specifications

General

Type	Fetal Monitor
Model	250cx Series
Manufacturer	GE Healthcare
Fetal Heart Rate Monitoring	Yes
Ultrasound Frequency	1 MHz
Recorder Speed	1, 2, 3 cm/min
Maternal Parameters	ECG, NIBP, SpO2
FHR Range	30-240 bpm
TOCO Range	0-100
Connectivity	RS-232
Power Source	AC Power
Display	Color LCD