Huawei Ascend Maintenance Manual page 47

Y210 Mobile Phone
Maintenance Manual
Signal Name
MIPI_CSI2_LANE1_P
MIPI_CSI2_LANE1_N
MIPI_CSI2_LANE0_P
MIPI_CSI2_LANE0_N
Troubleshooting Camera Failure
Figure 9-14 Camera failure
Issue 1.0 (2012-11-28)
Pin
MIPI_CSI2_LANE1_P
MIPI_CSI2_LANE1_N
MIPI_CSI2_LANE0_P
MIPI_CSI2_LANE0_N
The camera interface circuit is designed for compatibility with multiple types of cameras. The Y210 uses
a 3.0-megapixel full-frame camera, so the CAM_VCM_PD_N and VREG_CAM_2P85 lines are not
used.
Failure to take photos or
record video using the
camera
Reinstall the phone's
firmware. Is the
problem solved?
N
Is J1001 poorly soldered or
are its contacts defective?
N
Replace the
camera. Is the
problem solved?
N
Return the phone
to the factory
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Copyright © Huawei Technologies Co., Ltd.
Camera Voltage
MIPI DATA -
MIPI DATA -
MIPI DATA -
MIPI DATA -
Y
Y
Y
9 Principles and Failure Analysis
Remarks
Data
communication
signal
Data
communication
signal
Data
communication
signal
Data
communication
signal
End
Re-solder or replace
J1001
End
42