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TomTom 4EN52 Z1230 USB charging port replacement

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In this tutorial, I demonstrate how to remove/replace the USB charging port.

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  1. TomTom 4EN52 Z1230 USB charging port replacement, Remove suction cup: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Remove suction cup: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Remove suction cup: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Turn the device upside down

    • Remove the suction cup by pulling away from the back of the device

    • Locate the screw underneath the suction cup ball

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  2. TomTom 4EN52 Z1230 USB charging port replacement, Opening the device: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Opening the device: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Opening the device: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Insert the prying tool at the bottom corners of the device and carefully pry it open

    • Gently run the prying tool along both sides to unclip the frame

    • 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.

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  3. TomTom 4EN52 Z1230 USB charging port replacement, Disconnect the screen: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Disconnect the screen: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Disconnect the screen: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

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

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  5. TomTom 4EN52 Z1230 USB charging port replacement, Remove motherboard: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Remove motherboard: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Remove motherboard: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Unscrew the 4 screws that hold the motherboard to the casing

    • Detach the speaker cable

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  6. TomTom 4EN52 Z1230 USB charging port replacement, Disconnect battery: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Disconnect battery: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Disconnect the battery

    • Separate the motehrboard

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  7. TomTom 4EN52 Z1230 USB charging port replacement, Remove the USB connector: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Remove the USB connector: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • 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.

    • Apply flux to the base of the connector to help reflow or removal of the port

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  8. TomTom 4EN52 Z1230 USB charging port replacement, Remove USB port: crwdns2935265:07crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Remove USB port: crwdns2935265:07crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Remove USB port: crwdns2935265:07crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Apply heat with the heat gun 350Celsius mid airflow

    • Remove the faulty port with tweezers

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  9. TomTom 4EN52 Z1230 USB charging port replacement, Clean the pads: crwdns2935265:08crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 TomTom 4EN52 Z1230 USB charging port replacement, Clean the pads: crwdns2935265:08crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Clean the flux residue with isopropyl alcohol

    • Apply solder to the fresh pads

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To reassemble your device, follow these instructions in reverse order.

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