Vitalcare 506DN3, Service Manual

Page: 143 / 254

Criticare Systems, Inc. VitalCare
TM
506N3 Series Service Manual Page 7-31
Section 7 —Disassembly
Replace LCD and LED
Display Boards
First perform “Disassemble Front Bezel from Rear Housing”
procedure.
1. Remove the speaker from the rail of the front bezel. Lift the
orange and brown wires from the relief of main as shown below.
Figure 7-38: Remove Speaker
2. Unplug the speaker assembly (pn 90932A001) from J3 of the
Main Board. Place speaker assembly aside.
3. With a #1 Phillips screwdriver, remove the screw
(pn 40995B005) and washer (40086B002) holding the folder
tab from the membrane to the Main Board.
Figure 7-39: Membrane Tab
NOTE : If the monitor has an older Main Board (pn 91384A001
or 91384A002), remove the two (2) screws holding the ground
wire to the Main Board. Disconnect the green ground wire from
P3 on the Main Board.
Speaker
Folded Tab
from Membrane