7-13 Touchscreen Replacement Chapter 7 — Assembly Replacement
7-16 PN: 10580-00324 Rev. N S412E MM
7-13 Touchscreen Replacement
This procedure provides instructions for removing and replacing the touchscreen.
1. Open the case as described in Section 7-2 “Opening the S412E Case”.
2. Remove the Main/VNA PCB assembly from the front panel as described in Section 7-3 “PCB Assembly
Replacement”.
3. Perform Step 1 through Step 4 of Section 7-10 “LCD Assembly Replacement”.
4. Remove the touchscreen flex circuit connector 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 7-18.
5. Pull the touchscreen cable out of the connector housing.
6. Remove the touchscreen from the Bezel by pulling it straight up.
7. Reverse the above steps to install the replacement touchscreen.
8. Firmware version 1.04 and greater was modified to accept touchscreen calibration data needed for the
newer touchscreen. When replacing a touchscreen, ensure firmware version 1.04 or greater is installed.
If not, install the latest firmware.
9. Perform a touchscreen calibration by pressing the Shift key and then the 0 key, and follow the on-screen
calibration directions.
Figure 7-18. Replacing the Touchscreen
Touch Screen
Touch Screen Connector.
Pull down on the Tabs at the
Sides of the Connector
to Remove.
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