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Sony a7iii Disassembly

What you need

  1. Sony a7iii Disassembly, Remove the Basics: step 1, image 1 of 1
    • Remove the SD cards and battery.

    • The EVF cover comes off by snapping up, no screws.

  2. Sony a7iii Disassembly, Remove the Bottom Metal Covers: step 2, image 1 of 3 Sony a7iii Disassembly, Remove the Bottom Metal Covers: step 2, image 2 of 3 Sony a7iii Disassembly, Remove the Bottom Metal Covers: step 2, image 3 of 3
    • Remove the two bottom metal covers by removing the 8 screws. They are both held on by the same screws.

  3. Sony a7iii Disassembly, Remove EVF Screws: step 3, image 1 of 1
    • Remove the electronic view finder screws including the screw that holds the focus knob on.

    • To remove the focus knob screw, use a spudger to hold the focus knob from spinning while you unscrew.

  4. Sony a7iii Disassembly, Remove the Rubber Hand Grip: step 4, image 1 of 3 Sony a7iii Disassembly, Remove the Rubber Hand Grip: step 4, image 2 of 3 Sony a7iii Disassembly, Remove the Rubber Hand Grip: step 4, image 3 of 3
    • The rubber hand grip has to be removed to reach screws underneath. Get under one corner, then peel it off slowly.

  5. Sony a7iii Disassembly, Remove Screws on "Ports Side" of Camera: step 5, image 1 of 1
    • The screw with the red circle is shorter. Note this for reassembly.

  6. Sony a7iii Disassembly, Remove the Screws on "SD Cards Side" of Camera: step 6, image 1 of 2 Sony a7iii Disassembly, Remove the Screws on "SD Cards Side" of Camera: step 6, image 2 of 2
    • More screws required to get the camera back off in one piece.

    • Notice the silver screws behind the rubber grip.

  7. Sony a7iii Disassembly, Remove the Screw Behind the Display Screen: step 7, image 1 of 1
    • Remember the single screw behind the display. Required to remove the camera back.

  8. Sony a7iii Disassembly, Remove the Entire Camera Back with Display: step 8, image 1 of 2 Sony a7iii Disassembly, Remove the Entire Camera Back with Display: step 8, image 2 of 2
    • The back cover requires some prying but not a lot. If it's too difficult, check for screws to remove.

    • There is just one ribbon cable connecting the entire back to remove when the back is loose. The connector is a ZIF type that flips up toward the top of the camera to loosen.

  9. Sony a7iii Disassembly, Remove the Plastic Ports Covers: step 9, image 1 of 1
    • Notice at this point the ports covers (HDMI/headphone and USB-C/multi) kind of fall off with the back cover so when you put the back cover back on, you will have to replace these ports covers before securing the back cover.

  10. Sony a7iii Disassembly, Disconnect the EVF and Remove the EVF Assembly: step 10, image 1 of 3 Sony a7iii Disassembly, Disconnect the EVF and Remove the EVF Assembly: step 10, image 2 of 3 Sony a7iii Disassembly, Disconnect the EVF and Remove the EVF Assembly: step 10, image 3 of 3
    • There are 2 connectors to the EVF.

    • One is ZIF that loosens by flipping down.

    • The other is standard friction-fitted.

    • The EVF can be pried out gently.

    • Also carefully remove the pillow pad behind the EVF. Be careful because it can be brittle.

  11. Sony a7iii Disassembly, Disconnect Top Camera Block Connectors: step 11, image 1 of 1
    • The 2 connectors are both ZIF and loosen by flipping up toward the top of the camera.

  12. Sony a7iii Disassembly, Remove 7 Top Camera Block Screws: step 12, image 1 of 3 Sony a7iii Disassembly, Remove 7 Top Camera Block Screws: step 12, image 2 of 3 Sony a7iii Disassembly, Remove 7 Top Camera Block Screws: step 12, image 3 of 3
    • There are 7 total screws holding on the top.

    • 1 screw is under where the camera is labelled a7iii. It is the silver one on the right as opposed to the black one on the left in a similar position.

    • 2 screws are behind where the EVF was, partially hidden by the pad when in place. They are silver even though they look black in the photos.

    • 1 screw is in the top-right facing back under where the exposure adjustment knob is. Silver.

    • 1 screw is in the battery compartment. Black.

    • 2 screws are under where the rubber hand-hold was.

  13. Sony a7iii Disassembly, Remove the Top of the Camera: step 13, image 1 of 1
    • Once the connectors are disconnected and the screws are out, the top comes off pretty easily.

  14. Sony a7iii Disassembly, Remove the Headphone Jack: step 14, image 1 of 2 Sony a7iii Disassembly, Remove the Headphone Jack: step 14, image 2 of 2
    • Prepare a small baggie for the headphone jack parts.

    • Remove the electrical tape protecting the headphone jack. Be careful not to grab the ribbons behind the tape when you remove the tape.

    • Disconnect the connector. There is just one connector.

    • Remove the 2 screws holding the headphone jack on.

  15. Sony a7iii Disassembly, Remove Motherboard Anti-Static Tape: step 15, image 1 of 3 Sony a7iii Disassembly, Remove Motherboard Anti-Static Tape: step 15, image 2 of 3 Sony a7iii Disassembly, Remove Motherboard Anti-Static Tape: step 15, image 3 of 3
    • The anti-static tape has to be removed to access various parts. gently pry it up. Don't cut anything you can't remove yet just get it out of the way.

  16. Sony a7iii Disassembly, Motherboard Connector 1: step 16, image 1 of 1
    • Battery connector identified by having only two conductors, each very thick. ZIF, loosens by flipping down toward bottom of the camera.

  17. Sony a7iii Disassembly, Motherboard Connector 2: step 17, image 1 of 1
    • Connector under the processor anti-static tape is friction fit. Steady-shot cable.

  18. Sony a7iii Disassembly, Motherboard Connectors 3, 4: step 18, image 1 of 1
    • 2 connectors here are ZIF, loosen by flipping down toward bottom of the camera. Both are imager connectors.

  19. Sony a7iii Disassembly, Motherboard Connectors 5, 6: step 19, image 1 of 1
    • 2 connectors under battery connector are friction-fitted. Uper one is the shutter connector. The lower one is the E-mount connector

  20. Sony a7iii Disassembly, Motherboard Connector 7: step 20, image 1 of 1
    • External mic connector at top left is friction-fitted.

  21. Sony a7iii Disassembly, Motherboard Connector 8 - Opposite Side: step 21, image 1 of 1
    • 1 connector (under multi-port) on opposite side before flipping the motherboard up is friction-fitted.

    • On reassembly, I put the motherboard in place with one screw lightly tightened on the side of the board opposite multip-port connector, then used one of the longer screws to hold the motherboard in place but loose for more space while I inserted the multi-port connector.

    • It worked well. This connector is designed to be inserted with the motherboard in place. There is a cut-out in the motherboard that allows you to push the cable in). MB charge motor connector.

  22. Sony a7iii Disassembly, Motherboard Screws: step 22, image 1 of 1
    • The 5 screws holding on the motherboard are easy to see.

    • Feed the battery connector through the hole to be able to flip the mother board up toward the top of the camera.

    • 2 connectors on front side of motherboard are friction-fitted.

    • When reassembling, I initially tried to put these cables on with the motherboard in position to avoid having to feed the battery cable through with these 2 cables connected, but it turned out much easier to connect these cables first with the motherboard flipped up then flip the motherboard into place feeding the battery cable through.

    • 1-wire Wi-Fi antenna connector is friction-fitted. (on reassembly, I connected the WiFi cable first, then the other two front-side cables before flipping the motherboard down into place).

  23. Sony a7iii Disassembly, Metal Cover Block Adhesive Cables: step 24, image 1 of 1
    • There are 2 sticky cables that hold this block on besides the screws. Carefully remove the cables.

  24. Sony a7iii Disassembly, Metal Cover Block Screws and Remove Cover: step 25, image 1 of 1
    • There are 4 screws that hold this block on. The screws are easy to find.

    • Remove the cover to reveal the steady-shot anti-shake sensor block.

  25. Sony a7iii Disassembly, Remove Anti-Shake Unit - Important Note: step 26, image 1 of 1
    • The photo is with the anti-shake unit taken off.

    • BEFORE YOU TAKE THE ANTI-SHAKE OFF, be prepared to mark the numbers and locations of the shim washers. There are three positions for washers and each spot can have up to 2 washers. Mine had a total of 4 washers. The markings are the thickness in 1/100th mm and on reassembly, they should go back in the same place.

    • These washers set the flatness of the sensor to the front of the camera / lens.

  26. Sony a7iii Disassembly, Remove Anti-Shake Unit with Sensor: step 27, image 1 of 2 Sony a7iii Disassembly, Remove Anti-Shake Unit with Sensor: step 27, image 2 of 2
    • The anti-shake unit is held on by 3 screws and flex tape.

    • Of course besides looking for the positions of the shim washers, be careful removing this piece because the sensor is attached to it and will be exposed. Furthermore, the sensor mount is flexible and fragile.

    • You can see the repaired mounts on my sensor block. The bottom screw had come out and the top mounts broke as a result. The loose bottom screw was also jamming in my shutter unit and made me think the shutter unit was broken.

  27. Sony a7iii Disassembly, Remove the Shutter Unit: step 28, image 1 of 1
    • 4 screws secure the shutter unit in place. The cables are already disconnected.

Conclusion

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

2 other people completed this guide.

Nathan Ruffing

Member since: 05/24/21

583 Reputation

2 Guides authored

6 Comments

Thanks for this, I just need to replace my USB port cover that is broken and I wondered how they are held in.

Nice to know they drop off when the back is removed.

Paul Rogers - Reply

I'm glad it helped! Thanks for letting me know.

Nathan Ruffing -

Thanks for putting the guide together! I went through this up to Step 10 to diagnose and order a replacement for a slit EVF proximity sensor cable. The cable is pinched against the top of the case, so I think my unit was just out of tolerance enough that over time repeated minor impacts cumulatively led to cutting through the cable. Other people report the same problem on reddit.

Rachel - Reply

Great to hear you used the guide! Thanks for sharing.

Nathan Ruffing -

Thank you so much for this!

It was quite clear to me, even though I had never taken a camera apart before.

A few small things that might help others:

- The missing screw in step 25 is underneath the little black tape at the top-right (right under the WiFi antenna)

- you don’t have to take the grip all the way off, you don’t need the 4 screws at the middle, so you only need to pull away the edges at the sd card side and at the top next to the dial.

Also, when I took it apart a second time (I wanted to remove the shims for the sensor), my camera didn’t want to boot anymore and just rebooted again and again by itself. This appears to be a software bug and you might have to disassemble again until step 23. There is a small battery on the other side of the copper plate which remembers the date and time settings, but that needs to be disconnected from the motherboard to fix the issue.

Hope this helps,

And thanks again!

Dennis Van Der Mast - Reply

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