Hillrom Welch Allyn Connex ProBP 3400, Руководство по обслуживанию, Страница: 41 / 64

No. Item No. Item
24 Screw, #4 x 0.25 Plastite 26 PCBA mount
25 Main board 27 Blood pressure board
Before you begin, remove the following as described in this manual:
•
Battery
• Rear housing
• Front housing and side panels
• Chassis assembly
1. Using the Torx T10 bit, remove the four screws from the main board.
2. Keeping the main board and the blood pressure board parallel to each other, carefully pull
them apart.
CAUTION
The boards are connected by an 8-pin connector.
Twisting the boards or pulling them apart at an angle might
damage these pins.
3. Flex the PCBA mount to free two corners of the blood pressure board and slide the board clear
of the PCBA mount.
Reassembly notes
• Ensure that the blood pressure board is oriented correctly in the PCBA mount.
• Ensure that all pins of the 8-pin connector on the main board, J1, are aligned with J22 on the
blood pressure board before connecting the boards.
When replacing the main board
• After reassembling the device, enter the device serial number in the service tool. The serial
number can be found on the bottom of the device.
• Any licensed features must be restored. Call Welch Allyn Technical Support to replace the
license files.
Service Manual Disassembly and repair 37