2025177-020 Pneumatics Assembly - GE Corometrics 250cx Series Service Manual

2025177-020 Pneumatics Assembly

6-22
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
21. Connect 10-conductor Keypad-to-Volume ribbon cable to Volume board
connector.
22. Tilt the front bezel back onto chassis. Refasten screws to each side of chassis.
23. Connect 10-conductor DSP-to-Keypad ribbon cable to DSP board connector J5.
24. Connect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
25. Connect 8-conductor Inverter cable to DSP board connector J1.
26. Connect external display cable from J9 on the DSP/Display PWA.
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. Disconnect 10-conductor DSP-to- Keypad ribbon cable from DSP board
connector J5.
7. Disconnect 20-conductor Recorder ribbon cable from Main board connector J9.
8. Remove two screws on both sides of monitor fastening the front bezel to the
chassis.
9. Tilt the front bezel forward, away from the chassis.
10. Disconnect two red Pneumatics tubes from Front-bezel NIBP connector.
11. Pull red tubes through chassis grommet away from Front-bezel.
12. Remove two screws fastening Pneumatics assembly to chassis. Keep screws
aside.
13. Disconnect clear tubing from both PT1 and PT2 on the Main board.
14. Remove Pneumatics assembly from the Main board.
15. Replace new Pneumatics assembly onto Main board
16. Replace two screws fixing Pneumatics assembly onto chassis.
17. Connect clear section of tubing from E1 to PT1 on Main board.
18. Connect clear section of tubing from E2 to PT2 on Main board.
19. Pull red tubes through chassis grommet towards Front-bezel.
20. Connect red tubes to Front-bezel NIBP connector.
21. Connect 20-conductor Recorder ribbon cable to Main board connector J9.
22. Tilt the front bezel back onto chassis. Refasten screws to each side of chassis.
23. Connect 10-conductor DSP-to-UI Keypad ribbon cable to DSP board connector
J5.
250cx Series Maternal/Fetal Monitor
2036947-001
Revision C