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Figure 15
A
Installing the Bezel Top
Note:
Review the contents of the Bezel Top/Membrane Switch
replacement parts kit (see Replacement Parts List on page 66),
to confirm which parts you may need to keep/discard during
disassembly.
Procedure
1.
Remove the bezet enclosure per the Removing the Bezel Enclosure
procedure on page 20.
2.
Disconnect the membrane switch mylar ribbon cable from the display
PCB (see Figure 14).
3.
Remove the four (4) 4-40x1/4" Phillips pan-head screws which attach the
display PCB/LCD assembly to the bezel top.
Separate the display
PCB/LCD assembly from the bezel top by gently pulling up on the
display PCB corners as illustrated in Figure 15. Take care to retain the
two o-rings on the temperature jack of the display PCB (arrow in Figure
15).
Caution:
The display PCB/LCD assembly contains the LCD which is
easily scratched.
Be sure to handle this assembly with care.
Equipment Required
*
No. 1 Phillips screwdriver
*
No. 2 Phillips screwdriver
+ © Needle nose pliers
Caution:
The Bard CritiCore Monitor main and display PCB's contain
static sensitive electronic devices...
Do not attempt to:repair any.
internal components without proper ESD (Electro-Static
Discharge) handling equipment..
Failure to propefly ground both
your body and your work station could result in damage to.tre -
Monitor.
.
Procedure
1.
The bezel top/membrane switch kit comes with a new membrane switch
and panel seal. To install, follow the installing the Membrane Switch
procedure on page 25.
2.
Perform the Functional Checkout procedure (see page 7) to ensure that
all display and general Monitor functions are working properly.
Membrane Switch
The membrane switch (Figure 16) is a multi-layered label containing 6
contact switches. The membrane switch is attached to the bezel top via an
adhesive backing.
A mylar ribbon cable with a connector is attached and
connects the membrane switch to the display PCB.
The center viewing area
is transparent and provides the user visibility of the Liquid Crystal Display
(LCD). The membrane switch aiso protects the LCD from fluids, scratches,
and impact.
Bard CritiCore Monitor Service Manual
Page 23
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