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Repair procedures
Introduction
This section provides instructions for removing and replacing serviceable modules in the:
• Propaq CS monitor
• Expansion Module (which may include any or all of the following: printer, SpO
2
,
Mainstream CO
2
, Sidestream CO
2
)
•SpO
2
-only module
This section also describes how to replace the input fuse and battery pack.
Propaq CS Monitor software
Propaq CS monitor system software is contained in PROMs (programmable read-only
memory) on various system boards. The following PROMs may require replacement
during board exchange processes. Refer to “Replacing PROMs” on page 80 for
replacement instructions.
• DAP PROM on the Analog Board in the monitor
• PCP PROM on the Printer Main Board in the Expansion Module
• SCP PROM on the SCP Board in the SpO
2
option
• MSP PROM on the Mainstream CO
2
Board (MSP) in the Expansion Module
• SSP PROM on the Sidestream Main Board (SSP) in the Expansion Module
When you remove one of these boards for replacement, you should remove the PROM
from the board and store it in an anti-static plastic bag until you receive the replacement
board. Keeping the PROM allows you to install it in the new board and ensures the
replacement board will be compatible with the rest of your monitor system software.
Note
In general, re-assembly procedures are the opposite of the disassembly
procedures. If there are items to note during re-assembly, they are described after
the disassembly section.
WARNING Whenever the monitor is opened for calibration or repair, a risk
(leakage) current safety check and a hi-pot test must be performed followed by a
complete functional verification. These procedures are located in “Functional
verification” on page 13.