6-28 250cx Series Maternal/Fetal Monitor Revision C
2036947-001
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
22. Connect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
23. Connect 8-conductor Inverter cable to DSP board connector J1.
24. Place DSP board onto Main board. Use two screws to fasten DSP board to
chassis.
25. Connect external display cable from J9 on the DSP/Display PWA.
2025177-027 Power Switch Assembly
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 external display cable from J9 on DSP/Display PWA.
8. Tilt the front bezel forward, away from the chassis.
9. Disconnect power-switch cable from power supply bulkhead-mounted
connector.
10. Disconnect four Fast-on tab connectors from power switch.
11. Remove metal retaining clip from power switch.
12. Push power switch out through front bezel.
13. Connect power-switch cable to power supply bulkhead-mounted connector.
14. Push power switch in through front bezel.
15. Insert metal retaining clip into top and bottom bridges on power switch. Then
push in tightly.
16. Connect four Fast-on tab connectors to power switch.
17. Tilt the front bezel back onto chassis. Refasten screws to each side of chassis.
18. Connect 10-conductor DSP-to-Keypad ribbon cable to DSP board connector J5.
19. Connect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
20. Connect 8-conductor Inverter cable to DSP board connector J1.
21. Place DSP board onto Main board. Use two screws to fasten DSP board to
chassis.
22. Connect external display cable from J9 on the DSP/Display PWA.
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