Service manual

5. DISASSEMBLY AND ASSEMBLY
5.10 Service Manual BSM-4100
Perform the following procedure after the “Removing the NIBP Safety Board”
procedure.
1. Remove the 2 screws and 2 spacer bolts on the motherboard holder as shown
below. Slightly tilt the upper part (marked with a thick arrow in the picture) of
the motherboard holder and slowly remove it and its insulation sheet to
expose the motherboard.
CAUTION
If the motherboard holder or insulation sheet is damaged or the
insulation sheet has a hole, it must be replaced with a new one.
Removing the Motherboard, NIBP Measure Board
<From the left: MP4, MP3, MP2, MP1, SpO
2
, ECG RESP3, ECG RESP2, ECG RESP1 boards>
2. Slightly tilt the upper part of the motherboard and disconnect the cable
connecting to the DPU board from the CNJ701 socket on the motherboard.
Slowly remove the motherboard to expose the analog boards and NIBP
Measure board.