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Sony CDX-GT540UI Motherboard Replacement

Introduction

This guide will show how to replace a motherboard. The motherboard could be causing faulty display, not turning on, and bad sound quality on a continuous basis.

Before any repair work can be done, one must remove the device from the vehicle. To do so follow this link to see a vehicle general removal of a stereo system.

What you need

  1. Sony CDX-GT540UI Motherboard Replacement, Front Panel: step 1, image 1 of 1

    • Locate face-plate eject button.

    Edit

  2. Sony CDX-GT540UI Motherboard Replacement: step 2, image 1 of 2 Sony CDX-GT540UI Motherboard Replacement: step 2, image 2 of 2

    • Press the eject button.

    • Remove the face-plate.

    Edit

  3. Sony CDX-GT540UI Motherboard Replacement: step 3, image 1 of 3 Sony CDX-GT540UI Motherboard Replacement: step 3, image 2 of 3 Sony CDX-GT540UI Motherboard Replacement: step 3, image 3 of 3

    • Remove two 4.9mm Phillips #00screws on the front of the device.

    • Remove two 7.5mm Phillips #00screws on the front of the device.

    • When the screws are removed, the eject lever may fall into the device. Make sure the device is held horizontal and level.

    Edit

  4. Sony CDX-GT540UI Motherboard Replacement: step 4, image 1 of 2 Sony CDX-GT540UI Motherboard Replacement: step 4, image 2 of 2

    • Rotate device 90 degrees to either side.

    • Use the plastic opening tool to pry open the top and bottom tab respectively.

    • Repeat on opposite side.

    Edit

  5. Sony CDX-GT540UI Motherboard Replacement: step 5, image 1 of 1

    • Remove front panel.

    Edit

  6. Sony CDX-GT540UI Motherboard Replacement, Wiring Harness: step 6, image 1 of 1

    • Locate the clip on the wiring harness.

    Edit

  7. Sony CDX-GT540UI Motherboard Replacement: step 7, image 1 of 2 Sony CDX-GT540UI Motherboard Replacement: step 7, image 2 of 2

    • Press down on the clip like you would an Ethernet cable.

    • Rock harness side to side, pulling gently towards you until harness detaches.

    Edit

  9. Sony CDX-GT540UI Motherboard Replacement, Back Panel: step 8, image 1 of 1

    • Locate back panel.

    Edit

  10. Sony CDX-GT540UI Motherboard Replacement: step 9, image 1 of 3 Sony CDX-GT540UI Motherboard Replacement: step 9, image 2 of 3 Sony CDX-GT540UI Motherboard Replacement: step 9, image 3 of 3

    • Remove four 11.5mm Phillips #00 (silver) screws from back panel.

    Edit

  11. Sony CDX-GT540UI Motherboard Replacement: step 10, image 1 of 1

    • Remove four 9.5mm Phillips #00 (black) screws from back panel.

    • Remove two 7.5mm Phillips #00 (black) screws from back panel.

    Edit

  12. Sony CDX-GT540UI Motherboard Replacement: step 11, image 1 of 1

    • Remove back panel.

    • On the back panel there will be thermal (white) paste. Do not touch.

    Edit

  13. Sony CDX-GT540UI Motherboard Replacement, CD Drive: step 12, image 1 of 1

    • Remove one 9.5mm Phillips #00 screw.

    • Rotate device 180 degrees and repeat step.

    Edit

  14. Sony CDX-GT540UI Motherboard Replacement: step 13, image 1 of 2 Sony CDX-GT540UI Motherboard Replacement: step 13, image 2 of 2

    • Using plastic opening tool, detach the tabs. There are two on either side.

    • You will need to apply a decent amount of force to detach.

    Edit

  15. Sony CDX-GT540UI Motherboard Replacement: step 14, image 1 of 2 Sony CDX-GT540UI Motherboard Replacement: step 14, image 2 of 2

    • Remove top panel.

    Edit

  16. Sony CDX-GT540UI Motherboard Replacement: step 15, image 1 of 1

    • Pull up CD drive slightly.

    Edit

  17. Sony CDX-GT540UI Motherboard Replacement: step 16, image 1 of 1

    • Disconnect motherboard connection.

    Edit

  18. Sony CDX-GT540UI Motherboard Replacement: step 17, image 1 of 1

    • Remove CD drive.

    Edit

  19. Sony CDX-GT540UI Motherboard Replacement, Motherboard: step 18, image 1 of 1

    • Remove three 6.7mm Phillips 300 screws.

    Edit

  20. Sony CDX-GT540UI Motherboard Replacement: step 19, image 1 of 1

    • Pull motherboard up.

    Edit
Conclusion

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

4 other people completed this guide.

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Odelkys Marquez

Member since: 09/22/14

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USF Tampa, Team 10-2, Brown Fall 2014 Member of USF Tampa, Team 10-2, Brown Fall 2014

USFT-BROWN-F14S10G2

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One Comment

Card reader light bling but not on my car audio

Deepak Kumar - Reply

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