Vitalcare 506DN3, Service Manual

Page: 139 / 254

Criticare Systems, Inc. VitalCare
TM
506N3 Series Service Manual Page 7-27
Section 7 —Disassembly
11.Fold over the membrane’s ground tail and connect to the Main
Board using a P.H.M.S. screw and washer. Attach the right side
of the bezel and torque all five (5) screws at 5 in. lbs.
Figure 7-32: Membrane Ground Tail
If the monitor previously contained a pn 91384A001 or
91384A002 Main Board that was replaced with a 91384A003
Main Board:
a. Reuse the black ground wire that was removed in Step 3
by inserting P.H.M.S. screws through the ring terminal
(lower right corner) and both holes of the ground tail. (This
is done in place of the washer stated above.)
b. Remove the green ground wire from the metal chassis.
Figure 7-33: Remove Ground Wire from Chassis
(Main Board Upgrades)
If the monitor contained a pn 91384A001 or 91384A002 Main
Board and the replacement is a pn 91384A001 or 91384A002
Main Board:
a. Reuse the black ground wire that was removed in Step 3
by inserting P.H.M.S. screws through the ring terminal
(lower right corner) and both holes of the ground tail. (This
is done in place of the washer stated above.)
b. Reconnect the green ground wire at P3 on the Main Board.
Membrane
Ground Tail
Remove green
ground wire