Cell phone camera often is faulty maintenance

We often found in the maintenance of the device is not ready, photo flower, the camera freezes camera screen display black background, photographed in the save when the picture image, camera saved image is all black, the screen does not display failure to introduce following the repair of my personal experience.

1, the camera itself is bad due to failure

Device is not ready, photo flower, the camera freezes camera screen display black background, photographed in the save when the picture image, camera saved images are All Black and camera failure caused by a bad.

2, the device is not ready

Software is bad, CPU is bad, or defended by the virtual camera power supply caused.

Device is not ready to meet our maintenance a lot of the wrong version when we write the new data, which means that the camera data does not also appear device not ready, you can not drive the camera caused by bad software also can cause the device not ready we usually approach the formatted multimedia, CPU, bad or virtual defended caused a lot of, CPU 25 with the line leading to the camera, there is a line break will cause a camera fault.

ZT288 cell phone camera photos out of the screen, the screen is black, but according to the picture is normal, I saw a very curious, this failure is rare, especially rare failures are generally not in our maintenance easily move the motherboard, the instinct of our maintenance, format the following look at, fault, or online under the data written into the boot to open the camera screen display normal.

4, the peer used two camera malfunction phone I opened to see the board move again, one immersion phone, peer camera changed his failure is still the same, so that it is not the camera itself , open the phone began to repair the phone board of immersion in the ultrasonic clear, this sets pre-camera scored to take a look at the connection seat is no problem, measuring the supply voltage to start the camera is also normal, measuring connection Block line of resistance to ground the two there is no resistance, is not empty pin on the motherboard camera, remove the found signs of corrosion on the motherboard solder joint is black dead, welding back seat after cleaning camera installed boot test machine camera normal. This sets repaired in the repair of that from the the ultrasonic inside out to dry after the placement of the camera test machine, this is also normal, without repair.

Experience: in our maintenance, pay attention to details can not be overlooked, especially those details, saving you time counterparts to take over the phone, they can not fix it basically large are moving over you start from the details so that improve the speed of your maintenance, but also improve your skills.


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