6-30 250 Series Maternal/Fetal Monitor Revision D
2020551-001
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
36. Connect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
37. Connect 10-conductor DSP-to-Keypad ribbon cable to DSP board connector J5.
38. Place DSP board onto Main board. Use two screws to fasten DSP board to
chassis.
39. Replace top cover. Re-insert screws.
2025177-029 MECG Board
1. Remove top cover.
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. Remove card cage cover.
7. Disconnect MECG cable from MECG board connector.
8. Remove MECG/FECG assembly from Front-end Motherboard.
9. Remove two screws fastening MECG board to FECG board.
10. Remove MECG board from FECG board.
11. Insert new MECG board onto FECG board and fasten with two screws.
12. Insert MECG and FECG boards into Front-End Motherboard.
13. Connect MECG cable to MECG board connector.
14. Replace card cage cover. Re-insert screws.
15. Reconnect 8-conductor Inverter cable to DSP board connector J1.
16. Reconnect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
17. Place DSP board onto Main board. Use two screws to fasten DSP board to
chassis.
18. Place top cover. Re-insert screws.
2025177-031 Top Cover Gasket
1. Remove top cover. Remove the gasket on the inside front edge by pulling it free
of the cover.
2. Clean the stamping area where the gasket was adhered to the cover by wiping
the surface with isopropyl alcohol.
3. Align the front edge of the gasket along the stamping line on the inside of the
top cover and apply pressure to secure it. Ensure the adhesive of the gasket is
completely sealed all along the stamping line.
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