Samsung Galaxy S8 Plus Camera Issue Repair

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Samsung Galaxy S8 Plus Camera Issue Repair

Version: G9550 (China)

Defect Phenomenon

Camera function failure, exit automatically.

Test with front or rear camera only, the issue still remains the same.

Troubleshooting

The most possible reason that cause the camera to exit automatically is the power and MIPI bus defect. For drop damaged phone with both front or rear camera automatically exit issue, power rails problem with higher rate.

 

Open the schematic, check the power supplies for the cameras

Rear camera with 9 input powers, front camera with 4 input powers

Samsung Galaxy S8 Plus camera issue

fix s8 plus camera

So we can start to measure the power supplies for the cameras.

Open the camera APP, then measure voltage values on the reference test points.

After measuring, we can see:

 

Besides the 1.8V, the rest voltages cannot be measured

So the issue should come from the SUB PMIC U9000, which provide powers for both front and rear camera.

SAMSUNG S8 PLUS 3

Tried to reball then test, the issue still unresolved.

Then replace it with a new one and test, the camera automatically exit issue get resolved.

Assemble the phone and test, all the functions work well.

Go to Android Phone Repair Course to Learn More>>

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REWA Academy

As an enthusiastic educator and expert in mobile technology, REWA Academy has dedicated its career to empowering individuals through technical education. With a keen focus on cellphone repairs, they have developed comprehensive online and offline courses at REWA Academy. Their expertise spans a wide array of areas, including iPhone repair training, phone hardware, software, and advanced troubleshooting techniques. Through their writings, they aim to demystify mobile technology complexities, making it accessible and understandable for both novices and professionals in the field.

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