GE Corometrics 250cx Series Service Manual page 208

6-16
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
13. Disconnect MECG cable from MECG board connector.
14. Remove MSpO
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
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.
250cx Series Maternal/Fetal Monitor
2036947-001
cable beads from chassis bead clips.
2
Carrier
2
Revision C