Mindray Passport 5-Lead, Service Manual

Page: 288 / 544

Disassembly Instructions Repair Information
4 - 8 0070-00-0420 Passport 5-Lead, 5L, LT, XG Service Manual
1. Remove the four screws (39) securing the Front End cover (42) to the board
frame.
2.
Remove the cable from the Interconnect Board at P3, lift board upward and
remove.
A. Removal of the Power Supply, Line Battery and +12/-23 Volt Boards
(75&76 )
1.
Remove the board sub-assembly.
2.
Disconnect P51 (35) and P53 (32) from the Line Battery Board (76).
3. Lift both the line battery and the +12/-23 Volt Board out of the rear housing. The two
boards can be pulled apart by disconnecting J54/P58.
4. When reinstalling the Power Supply Boards check the following
• The two boards are placed in the rear housing card guides.
• The foam block, that holds the top of the power supply, located on the board frame, is
in place.
A. Removal of the NIBP Module (B)
1.
Remove the board sub-assembly (A).
2.
Remove, the four snap rivets (57) holding the NIBP module (25) to the module brackets
(18 & 19).
3. Slide the module towards the top of the Passport and lift to remove.
a. Removal of the Control Board (51) from the NIBP Module
1. Use a small flat blade screwdriver to lift the center pin of the four snap rivets.
2. Lift the Control Board up and remove P31 (61) and the transducer hose from the
transducer.
b.
Removal of the Pump Assembly (60) from the NIBP Module
1.
Remove the Control Board.
2. Disconnect P29 from the Pneumatic Board.
3.
Disconnect the hose from the pumps pressure port.
4.
Turn module over and punch out pump assembly by tapping pump mounting
plate. Do not force screwdriver between the black velcro.This will damage the
velcro and reduce holder strength.
c.
Removal of the Pneumatic Board (65) from the NIBP Module
1.
Remove the Control Board.
2. Remove one screw (39) located near J34.
3.
Slide and lift the Pneumatic Board from the chassis.
B. Removal of the Battery Can Assembly (35)
1.
Remove the board sub-assembly.
2. Remove the three screws (88) holding the battery assembly to the rear housing.
3. Disconnect P51 from the line battery board (76).
4. Lift the battery can from the rear housing.
C. Removal of the Recorder Assembly (23)
1.
Open the recorder paper door and remove paper roll, if installed.