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Bard CritiCore 000002 Service Manual page 31

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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 properly ground both your body
and your work station could resuit in damage to the Monitor.
Note:
Review the contents of the Membrane Switch replacement parts
kit (see the Replacement Parts List on page 66), to confirm which
parts you may need to keep/discard during disassembly.
Procedure
1.
Remove the bezel enclosure per the Removing the Bezel Enclosure
procedure on page 20.
Figure 18
2.
Disconnect the membrane switch mylar ribbon cable from the display
PCB (see Figure 18).
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 ilustrated in Figure 19). Take care to retain the two o-
rings on the temperature jack of the dispiay PCB (arrow in Figure 19).
Figure 19
Caution:
The display PCB/LCD assembly contains the LCD which is
easily scratched.
Be sure to handle this assembly with care.
4.
Remove and discard the 4 panel seal strips located on the underside of
the membrane switch (see Figure 20).
5.
Turn the bezel top over. Using a small standard screwdriver, lift up one
comer of the membrane switch.
Peel off the membrane switch from the
bezel top and discard,
Installing the Membrane
Equipment Required
Switch
*
No. 1 Phillips screwdriver
*
No. 2 Phillips screwdriver
*
Needle nose pliers
sensitive electronic devices.
Do not attempt to repair any internal
components without proper ESD (Electro-Static Discharge)
handling equipment.
Failure to properly ground both your body
and your work station could result in damage to the Monitor.
7
Caution: . The Bard CritiCore Monitor main and display PCB's contain static
Procedure
1.
Ensure that the bezel top is free from any adhesive residue, oil, or
foreign matter.
Note:
70% lsopropyl Alcohol will remove any remaining adhesive.
2.
Peel off and remove the adhesive backing on the. membrane switch, and
carefully adhere it onto the bezel top.
{
Figure 20
3.
Turn the bezel top over. Peel off the adhesive backing on each of the
Na
four strips of panel seal, and attach them to the underside of the
membrane switch as illustrated in Figure 20.
Bard CritiCore Monitor Service Manual
Page 25

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