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How to fix no image/black screen issue in Sony Xperia Z3

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Video Overview

Sony Z3 no image after screen replacement only backlight Hardware Repair

  1. How to fix no image/black screen issue in Sony Xperia Z3, Back Cover: step 1, image 1 of 3 How to fix no image/black screen issue in Sony Xperia Z3, Back Cover: step 1, image 2 of 3 How to fix no image/black screen issue in Sony Xperia Z3, Back Cover: step 1, image 3 of 3
    • Heat the back cover of your Xperia Z3 to loosen the adhesive underneath.

    • If you use an iOpener, follow these instructions for use.

    • Lift up the back cover with a suction handle and put an opening pick in the gap.

    • Move the pick carefully around the edges to loosen the adhesive on every side of the phone.

    • Don't put the pick in too deep under the back cover to not damage any parts inside the phone.

  2. How to fix no image/black screen issue in Sony Xperia Z3: step 2, image 1 of 2 How to fix no image/black screen issue in Sony Xperia Z3: step 2, image 2 of 2
    • There are two adhesive strips in the center of the phone connecting the rear case to the battery, you'll need to remove them to open the phone.

    • When the edges of the cover are free from adhesive, tilt it to allow access to the battery tabs.

    • Use tweezers to pull the two black adhesive strips out of the phone but don't pull just yet.

  3. How to fix no image/black screen issue in Sony Xperia Z3: step 3, image 1 of 2 How to fix no image/black screen issue in Sony Xperia Z3: step 3, image 2 of 2
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    • Gently pull out both of the adhesive tabs out of the phone, parallel to the rear cover.

    • If the adhesive tabs break, try to use a thin flat plastic tool such as a plastic card to remove the last of the adhesive. If the adhesive is stubborn, heat it with an iOpener or hair dryer and pry again.

  4. How to fix no image/black screen issue in Sony Xperia Z3: step 4, image 1 of 2 How to fix no image/black screen issue in Sony Xperia Z3: step 4, image 2 of 2
    • After pulling out the adhesive tabs, you can lift the back cover and remove it.

  5. How to fix no image/black screen issue in Sony Xperia Z3, Battery: step 5, image 1 of 2 How to fix no image/black screen issue in Sony Xperia Z3, Battery: step 5, image 2 of 2
    • Unplug the battery flex connector.

    • Use a tweezer to gently pull off the adhesive strip on the bottom part of the battery.

  6. How to fix no image/black screen issue in Sony Xperia Z3: step 6, image 1 of 2 How to fix no image/black screen issue in Sony Xperia Z3: step 6, image 2 of 2
    • Use a spudger on the left side of the frame to lever out the battery.

    • Be careful with the spudger - there are cables beneath the battery!

    • Remove the battery.

  7. How to fix no image/black screen issue in Sony Xperia Z3, How to fix no image/black screen issue in Sony Xperia Z3: step 7, image 1 of 3 How to fix no image/black screen issue in Sony Xperia Z3, How to fix no image/black screen issue in Sony Xperia Z3: step 7, image 2 of 3 How to fix no image/black screen issue in Sony Xperia Z3, How to fix no image/black screen issue in Sony Xperia Z3: step 7, image 3 of 3
    • Use your fingers or the flat end of a spudger to unclip the cables holding the logic board in place.

  8. How to fix no image/black screen issue in Sony Xperia Z3: step 8, image 1 of 3 How to fix no image/black screen issue in Sony Xperia Z3: step 8, image 2 of 3 How to fix no image/black screen issue in Sony Xperia Z3: step 8, image 3 of 3
    • Use your fingers to remove the phone's logic board.

    • Visually inspect the logic board.

    • This logic board is missing filters, which were likely damaged when the user attempted to replace the phone's display.

  9. How to fix no image/black screen issue in Sony Xperia Z3: step 9, image 1 of 3 How to fix no image/black screen issue in Sony Xperia Z3: step 9, image 2 of 3 How to fix no image/black screen issue in Sony Xperia Z3: step 9, image 3 of 3
    • Apply a small amount of flux to the motherboard's filters.

    • In micro-soldering, flux prepares the metal surfaces of the logic board by cleaning and removing impurities.

    • Wait at least 30 seconds for the flux to clean the surfaces.

    • Use a pair of micro-soldering tweezers to remove the metal square from the filters.

  10. How to fix no image/black screen issue in Sony Xperia Z3: step 10, image 1 of 3 How to fix no image/black screen issue in Sony Xperia Z3: step 10, image 2 of 3 How to fix no image/black screen issue in Sony Xperia Z3: step 10, image 3 of 3
    • Apply solder to each of the three sets of four pins now exposed on the logic board.

    • After each solder, apply a small amount of flux to the new connection to clean the connection.

    • Be sure to wait at least 30 seconds after applying the flux so that it can clean and remove impurities.

  11. How to fix no image/black screen issue in Sony Xperia Z3: step 11, image 1 of 2 How to fix no image/black screen issue in Sony Xperia Z3: step 11, image 2 of 2
    • Check that each of the connections covers all four of the pins in each set.

    • Re-form the solder or add additional solder if the connection does not cover all four pins.

Conclusion

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

Alex Sander

Member since: 02/28/17

38,177 Reputation

202 Guides authored

2 Comments

I have a z3 single, it turns on the backlight but not the image what to do? procedure above did not work …

keneddy.s.2011 - Reply

i &&^&@@ my display

ahmedelbahri - Reply

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