Front camera not working. Earpiece and proximity sensor do.

Question

iPhone 5c

2013年9月10日に発表されたApple iPhone 5cの修理情報とガイドです。モデル A1532, A1456

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Berenger Zyla @iambz

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投稿日: 2019年1月7日

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Front camera not working. Earpiece and proximity sensor do.

Hello fixers!

I’m looking for options. The front camera of my Mom’s 5C stopped working, apparently with no real reason.

The screen is black when switching to front camera in the Camera app, no specific message. Same with FaceTime, where the caller camera would just be empty (see capture)

I’m quite handy and ran some incremental diagnostics:

The proximity sensor and the earpiece both work without any issue.
I even put a working full display assembly (screen, camera and all) from another working 5C, and it still does not work on my Mom’s phone.
Display assembly from her phone onto another 5C has the camera working.

Checked the pins where those three cables sit, and they seem alright.

So I ruled out the camera, the flex … and things point out to … the logic board?

I have not found really similar cases on the forums…

Thanks!

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Ben @benjamen50

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Mtwo Perform

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投稿日: 2019年1月7日

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Around the screen connectors there is a black protective film that you can remove.

Remove that film carefully and inspect the components near the front camera and rear camera connector for any signs of liquid damage.

You may see capacitor’s that have one or both sides turned dull black instead of silver meaning it was corroded from liquid damage. There may be also white marks on the board components as well to indicate corrosion.

If there is indeed liquid damage it will require micro-soldering to fix the board-level problem, probably not worth it now as it’s an iPhone 5C and doesn’t hold much value versus cost of repair ($80+ estimated)

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Gotcha. Thank you for your answer!

But you seem to be indicating a problem that would be around the display assembly.

But when I put the display assembly from the faultive phone and put it on another 5C, front camera works. That’s what makes me think it’s not an issue “up there” (display assembly).

I’ll wait for your clarification.

And yes, this post is my last try at making this work phone. Won’t spend much money on trying to have it fixed, but I’m hoping my fingers and tools can find the issue :D

Berenger Zyla さんによる2019年1月7日

The screen and front camera assembly from the faulty phone are OK as you've said works from another phone.

So that leaves it with the logic board being at fault which indicates a issue caused by the circuitry responsible for the front camera on the logic board.

Ben さんによる2019年1月7日

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Gotcha. Thank you for your answer!

But you seem to be indicating a problem that would be around the display assembly.

But when I put the display assembly from the faultive phone and put it on another 5C, front camera works. That’s what makes me think it’s not an issue “up there” (display assembly).

I’ll wait for your clarification.

And yes, this post is my last try at making this work phone. Won’t spend much money on trying to have it fixed, but I’m hoping my fingers and tools can find the issue :D — Berenger Zyla
The screen and front camera assembly from the faulty phone are OK as you've said works from another phone.

So that leaves it with the logic board being at fault which indicates a issue caused by the circuitry responsible for the front camera on the logic board. — Ben

iPhone 5c

Front camera not working. Earpiece and proximity sensor do.

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