11. LCD ASSEMBLY REPLACEMENT
This procedure provides instructions for removing and re-
placing the Liquid Crystal Display (LCD) once the front
panel assembly has been separated from the Site Master.
1.
Remove the front panel assembly as directed in sec-
tion 10.
2.
Place the front panel assembly face down on a pro-
tected work surface.
3.
Remove the 14 Phillips screws that attach the back-
ing plate to the front panel assembly.
4.
Release the LCD display cable from the retaining
clip on the front panel backing plate.
5.
Remove the front panel backing plate, carefully
feeding the LCD cable through the access hole to
avoid damage to the cable or connector.
6.
Remove the rubber cushion pad from the LCD as-
sembly and remove the assembly.
7.
Reverse the above steps to install the replacement
assembly.
12. KEY PAD PCB REPLACEMENT
This procedure provides instructions for removing and re-
placing the key pad PCB.
1.
Remove the front panel assembly as directed in sec-
tion 10.
2.
Place the front panel assembly face down on a pro-
tected work surface.
3.
Remove the 14 Phillips screws that attach the back-
ing plate to the front panel assembly.
4.
Release the LCD display cable from the retaining
clip on the front panel backing plate (Figure ).
5.
Remove the front panel backing plate, carefully
feeding the LCD cable through the access hole to
avoid damage to the cable or connector.
6.
Remove the rubber cushion pad from the key pad
PCB and remove the PCB.
7.
Reverse the above steps to install the replacement
assembly.
10
Site Master S113BQ MM
FRONT PANEL
BACKING PLATE
LCD CABLE
RETAINING CLIP
Figure 15.
Front Panel Backing Plate
KEYPAD PCB
Figure 16.
Front Panel Keypad PCB Location