Welch Allyn Connex Vital Signs Monitor 6000 Series Service Manual page 140

134 Section B
Remove the communications board
Before you begin, remove the following as described in this manual:
• Battery
• Rear housing
1. Lay the rear housing on its back on the antistatic mat.
2. Remove the four Torx screws (10) that secure the communications board (20a or
20b) to the rear housing.
3. Remove the communications board by doing the following:
a. Lift the inside edge of the board until the USB connector clears the wire channel
b. Slide the board slightly toward the power supply and lift until the board contacts
c. Lift the outside edge of the board until the side connectors clear the rear
d. For monitors with a radio: rotate the board (without pulling on the antenna cable)
4. If replacing the communications board, remove the radio board (21) as described in
"Remove the radio board and antenna."
Reassembly notes
• If the radio board was removed, reinstall it before reinstalling the communications
board.
• To install the communications board, do the following:
1. Position the board over the standoffs with the inside edge of the board under
2. Align the mini-USB external connector with the opening in the side of the rear
3. Slide the mini-USB connector into the opening until the board rests on the
When replacing the communications board
Install the radio board on the new communications board before installing the
communications board on the rear housing.
on the power-supply cover.
the wire channel on the power-supply cover.
housing.
slightly counter-clockwise, pivoting on the upper left-hand corner. Turn the board
over and set it down outside the top of the case.
the wire channel on the power-supply cover until the outer edge drops into the
rear housing.
housing.
standoffs.
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Welch Allyn Connex Vital Signs Monitor 6000 Series™