6-18 250 Series Maternal/Fetal Monitor Revision D
2020551-001
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
89. Insert MSpO
2
cable beads into chassis bead clips.
90. Connect MECG cable to MECG board connector.
91. Connect MSpO
2
cable to SpO
2
Carrier board connector.
92. Connect Ultrasound cables to Ultrasound board connectors. The left- most
Ultrasound connector US1 cable goes to the rear connector on Ultrasound
board, J5.
93. Replace card cage cover. Re-insert screws.
94. Tilt the front bezel back onto chassis. Refasten screws to each side of chassis.
95. Connect 10-conductor DSP-to-UI Keypad ribbon cable to DSP board connector
J5.
96. Connect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
97. Connect 8-conductor Inverter cable to DSP board connector J1.
98. Place DSP board onto Main board. Use two screws to fasten DSP board to
chassis.
99. Slide-on top cover. Re-insert screws.
2025177-016 COMM Board
1. Remove top cover. Keep screws aside.
2. Remove four screws fastening the Comm. Board to the chassis.
3. Remove Comm. board from Main board.
4. Place new Comm. board onto Main board.
5. Fasten Comm. board onto chassis with four screws.
6. Replace top cover. Re-insert screws.
2025177-017 Recorder 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. Remove one flat-head screw from each side of the monitor fastening the front
bezel to chassis.
8. Open Recorder door, as it will interfere with front bezel removal.
9. Tilt the front bezel forward, away from the chassis.
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