TomTom, a European GPS device, sells a variety of portable GPS units that work with or without an automobile. Like most GPS units, the TomTom 300 contains a display that wears out over time. As the display dims, the backlight wears out and may require replacement. The TomTom uses an LCD display with an included backlight. You must replace the entire display to fix a dull backlight.
- Skill level:
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Things you need
- T6 Torx screwdriver
- Small container
- Small flathead screwdriver
Detach the TomTom from its mounting on the car. Place a towel on a flat surface, such as a table, and place the TomTom on the towel, with the display down.
Remove the back plate. Insert the screwdriver in one of the four screws on the back of the TomTom. Remove the screws and set them in the small container.
Remove the electronic boards. Disconnect the two screws on the electronic board and pull the board off the TomTom. Grasp the wires that connect the electronic board to the main board. Disconnect these wires by pulling them gently from the electronic board.
Unplug the LCD cable. Lift the brown tabs on the mainframe and pull the cable away from the connector. Disconnect the hard disk flat cable in the same manner.
Pull the main board off the TomTom and set it aside.
Remove the LCD display and its backlight. Push the screwdriver between the TomTom frame and the LCD display. Pry the display off the TomTom gently. Set it aside.
Replace the LCD display and its backlight. Slide the new display into the original display's place. It should click into place.
Reattach the main board's cables. Attach the main board and secure it with screws. Attach the electronic board and secure it with screws.
Tips and warnings
- Replacing the battery may solve the problem of a dim backlight. Replace the battery before attempting to replace the display.
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