6-10 250 Series Maternal/Fetal Monitor Revision D
2020551-001
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
3. Disconnect power-switch cable from front-bezel power-switch chassis-mounted
connector.
4. Remove cable-tie mount from side of chassis.
5. Disconnect Power Supply cable from J1 connector on Recorder board.
6. Disconnect Power Supply cable from J8 connector on Main board.
7. Remove three flat-head screws from side of Power Supply.
8. Remove four pan-head screws from back of Power Supply.
9. Remove one pan-head screw from inside bottom of Power Supply.
10. Remove Power Supply from chassis.
11. Replace with new Power Supply.
12. Fasten three flat-head screws into side of Power Supply.
13. Fasten four pan-head screws into back of Power Supply.
14. Fasten one pan-head screw into inside bottom of Power Supply.
15. Connect Power Supply cable to J1 connector on Recorder board.
16. Connect Power Supply cable to J8 connector on Main board.
17. Connect power-switch cable to front-bezel power-switch chassis-mounted
connector.
18. Adhere new cable tie mount to side of chassis.
19. Use tie-wrap to fasten power-switch cable to cable-tie mount on chassis.
20. Replace top cover. Re-insert screws.
21. Set the voltage selector switch (located on the rear panel) to the appropriate
voltage.
2025177-007 Dual Ultrasound Board
1. Remove top cover. Keep screws aside.
2. Remove two screws fastening DSP board to chassis.
3. Remove DSP board from Main board, but do not fully remove from chassis.
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. Keep screws aside.
7. Disconnect Ultrasound cables from Ultrasound board connectors.
8. Remove Ultrasound board from Front-end Motherboard.
9. Insert new Ultrasound board into Front-end Motherboard.
10. Reconnect Ultrasound cables to Ultrasound board connectors. The left-most
Ultrasound connector US1 cable goes to the rear connector on Ultrasound
board, J5.
11. Replace card cage cover. Re-insert screws.
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