Assembly Replacement 6-12 Touch Screen Replacement
S3xxE MM PN: 10580-00253 Rev. J 6-13
6-12 Touch Screen Replacement
This procedure provides instructions to replace the touch screen.
1. Open the case as described in Section 6-1 “Opening the Site Master Case”.
2. Remove the PCB assembly from the front panel as described in Section 6-2 “PCB Assembly Removal”.
3. Perform Step 1 through Step 4 of Section 6-9 “LCD Assembly Replacement”
4. Remove the touch screen flex circuit cable from the keypad PCB by pulling the tabs on each side of the
connector away from the connector and in the direction of the flex circuit. Refer to Figure 6-16.
5. Pull the touch screen cable out of the connector housing.
6. Remove the touch screen from the bezel by pulling it straight up.
7. Reverse the above steps to install the replacement touch screen.
8. Perform a touch screen calibration by pressing the Shift key and then the 0 key, and follow the on-screen
calibration directions.
Figure 6-16. Replacing the Touch Screen
Touch Screen
Touch Screen Connector.
Pull down on the Tabs at the
Sides of the Connector
to Remove.
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