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32 Repair procedures Welch Allyn Micropaq Monitor
Zero Insertion Force (ZIF) connectors
The monitor uses flex cables and zero insertion force (ZIF) flex cable connectors. The flex
cables are all marked with a designator number which corresponds to a PCB board
designator. Flex cables and ZIF connectors require special care when handling them.
ZIF connectors use a sliding outer piece that latches and unlatches to secure and release
the flex cable. ZIF cables cannot be successfully connected or disconnected without
properly unlatching and latching the sliding outer piece.
Disconnecting a ZIF Cable
1. Using a suitable tool (for example, a paper clip, small flat-head screwdriver, or needle-
nose pliers), slide the latching piece of the connector away from the connector body.
2. Remove the cable.
Connecting a ZIF Cable
1. Slide the latching piece of the connector away from the connector body.
2. Insert the flex cable into the connector. This may require using a suitable tool to keep
the latching piece elevated.
Caution Do not attempt to remove a flex cable until the ZIF latch has been
opened.
Latching piece
Connector body