6-4 250 Series Maternal/Fetal Monitor Revision D
2020551-001
Parts List, Drawings, and Replacement: Field-Replaceable Units (FRUs)
Field-Replaceable Units (FRUs)
FRU List
The following table offers details of each of the corresponding bubble numbers that
appear on the exploded engineering-assembly drawings (tri-folded drawings at the
end of this section).
Serv. Manual
Drawing Page
Number
Bubble
Number
Part Number Description Comments
1 2-5,7-11 2025177-024 Front/Rear Panel Labels FRU (Eng)
1 2-5,7-11 2025177-025 Front/Rear Panel Labels FRU (INT)
1 1 2025177-030 Top Cover FRU
3 N/A 2025177-019 Misc Cable FRU Does not include front end
patient cables
4 N/A 2025177-003 Speaker FRU
4 3 2025177-005 DSP Board FRU
4 6 2025177-007 Dual Ultrasound Board FRU
4 7 2025177-008 FECG/UA w/MECG Board FRU
4 7 2025177-009 Isolated Power Supply Board FRU
4 9 2025177-010 SpO
2
Carrier Board w/Nellcor Ox FRU
4 9 2025177-011 SpO
2
Carrier Board w/Masimo Ox FRU
4 9 2025177-012 SpO
2
carrier Board w/Ohmeda Ox FRU
4 N/A 2025177-020 Pneumatics Board FRU
4 2 2025177-029 MECG Board FRU
5 5 2025177-006 Fan FRU
5 3 2025177-013 Front-end Mother Board. FRU
5 4 2025177-016 Comm Board w/plate FRU
5 2 2025177-028 Main Power Supply FRU
6 4 2025177-004 Main Board FRU
6 10 2025177-014 Chassis Assembly DRU Depot repair only, do not ship
to FE. Customers out of
warranty may purchase
7 28 2025177-027 Power Switch Assembly
9 26 2025177-021 Display FRU
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