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4
Removal and Replacement
Overview
This chapter provides procedures for removing and replacing the subassem-
blies that are available as replacement parts.
Servicing Notes
Following are some important points to keep in mind whenever servicing the
M3500B/M5500B.
Key Components
Replacement assemblies marked with an asterisk (" * ") in the Replacement
Parts tables contain one or more Key Components. Key Components require
detailed tracking, by recording the key component part number and either the
key component's date code or its serial number. This data must be recorded
for both the failed assembly and the replacement assembly.
Philips Medical Systems service personnel must record this information on
the Customer Service Order (CSO).
The Key Components that are part of the replacement assemblies are listed in
Table 5-15 on page 5-20.
Removal, Handling, and Replacement
The following sections give details of how to successful work with the inter-
nal assemblies of the M3500B/M5500B.
Flex Circuit Connections
In order for flex connections to function properly, they must be disconnected
and reconnected as follows:
Always unlatch the PCA-mounted connector before removing the
flex, and hold the latch open while reinserting the flex into the con-
nector.
4
4-1
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