Revision C 250cx Series Maternal/Fetal Monitor 6-21
2036947-001
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
13. Connect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
14. Connect 8-conductor Inverter cable to DSP board connector J1.
15. Place DSP board onto Main board. Use two screws to fasten DSP board to
chassis.
16. Slide-on top cover. Re-insert screws.
2025177-019 Cables
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. Open Recorder door, as it will interfere with front bezel movement.
9. Tilt the front bezel forward, away from the chassis.
10. Disconnect 10-conductor Keypad-to-Volume ribbon cable from Volume board
connector.
11. Disconnect 20-conductor DSP-to-LCD Decoder ribbon cable from the opening
in the back of the Display assembly.
12. Connect replacement cable to LCD Decoder board through Display assembly
opening. Use either end of the cable. The connector is keyed and will only mate
the correct way.
13. Using needle-nose pliers, disconnect 8-conductor Inverter cable from the
opening in the side of the Display assembly.
14. Connect replacement cable to Inverter board through Display assembly
opening. Use either end of the cable. The connector is keyed and will only mate
the correct way.
15. Disconnect 10-conductor Keypad-to-Volume ribbon cable from Keypad board
connector J7.
16. Connect replacement cable to J7. Use end of the cable without the fold.
17. Remove two screws fastening Keypad bracket to front bezel.
18. Remove Keypad bracket.
19. Disconnect 10-conductor DSP-to-Keypad ribbon cable from Keypad board
connector J5. Connect replacement cable to J5. Use either end of the cable. The
connector is keyed and will only mate the correct way.
20. Fasten Keypad bracket to front bezel with two screws.
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