TomTom 4EN52 Z1230 USB charging port replacement

ID: 181235

Description: In this tutorial, I demonstrate how to...

Steps:

1. Turn the device upside down
2. Remove the suction cup by pulling away from the back of the device
3. Locate the screw underneath the suction cup ball

4. Insert the prying tool at the bottom corners of the device and carefully pry it open
5. Gently run the prying tool along both sides to unclip the frame
6. Do not try to separate the screen from the bottom of the device as it is still connected to the base and you can potentially rip the flex cable.

7. Push the grey plastic upwards on both sides to release the flex cabe and then pull it apart.

8. Unscrew the 4 screws that hold the motherboard to the casing
9. Detach the speaker cable

10. Disconnect the battery
11. Separate the motehrboard

12. Common fault on these devices that the factory solder breaks off and provides an intermittent fault, either not charging or charging when the cable is moved around.
13. Apply flux to the base of the connector to help reflow or removal of the port

14. Apply heat with the heat gun 350Celsius mid airflow
15. Remove the faulty port with tweezers

16. Clean the flux residue with isopropyl alcohol
17. Apply solder to the fresh pads