HUAWEI TECHNOLOGIES CO., LTD.
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4.15.2 Fault Summary
When using camera, the LCD view back screen or white screen, or can’t searching device.
Because the camera device is controlled by CN703 and U100, if the camera can’t use. Repair
maybe direct check 2.8V and 1.8V voltage or clock signal. If that isn’t normal, maybe exchange
components of the circuit. Other maybe check CN703 whether poor soldered. And check
whether the camera assembly is OK.
4.15.3 Cases
When using camera, the LCD view back screen. And measure the support power circuit.
Finding no voltage, then exchange U100. The camera can normal work, the problem was
removed.
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