This section shows how to replace the backlight for the 700, 1000,1250, and 1500 terminals. The 1250 high-bright terminals do not havea replaceable backlight. IMPORTANT Disposal: The backlights for these products contain mercury.Dispose of per applicable laws. Follow these steps to replace the backlight. 1. Disconnect power from the terminal. 2. Remove the display module bezel. IMPORTANT The 700 series C display is not secured by screws and is onlyretained by a bracket. Use care not to drop the display once thebezel is removed. 3. Remove the four screws that secure the display bracket for the 700 series C display. 4. Remove the four screws that secure the LCD display for all other displays. 5. Lift the LCD display and detach the display connector from thecircuit board.The circuit board layout may vary for each terminal model.The location of the connector varies by model. 6. Detach the backlight connectors from the circuit board.The 1250 has one or two backlight connectors depending on theseries of the display. The 1500 has four backlight connectors. 7. Follow these steps for the PanelView Plus 700 and 1000displays. a. Press the retaining tab that secures the backlight and then pullout the backlight. b. Insert the new backlight. 8. Follow these steps for the PanelView Plus 1250 and 1500displays. a. Remove the screws that secure the backlights and remove thebacklights. – The two backlights for the 1250 series A and B displays areeach secured with two screws. The single backlight for the1250 series C displays is secured with one screw. – For the 1500 series B displays, remove the tape and thenremove the backlights. b. Insert the new backlights and then secure each with the samescrews from the previous step and torque to0.117 Nm (1.04 lb•in). 9. Attach the LCD display connector to the circuit board.Refer to step 5. 10. Attach the backlight connector to the circuit board.Refer to step 6. 11. Secure the LCD display. a. Attach the display bracket then secure the display in thebracket for the 700 series C display. b. Attach the four screws for all othe displays. Tighten the screws and torque to 0.58 Nm (5…7 lb•in). 12. Replace the display module bezel.