Gyro/Compass Sensor Troubleshooting - LG -P990 Service Manual

4.20 Gyro/Compass sensor troubleshooting

The compass sensor is calibrated by the gyro sensor data using SW algorithm. Therefore Gyro sensor error makes the
compass sensor malfunction.
Change the Gyro sensor IC(U1)
LGE Internal Use Only
START
Gyro & compass sensor function check
Gyro & compass function is OK?
No
Yes
Gyro-NG compass-OK?
No
Gyro-OK compass-NG?
No
Change the compass sensor IC(U1)
Function is OK?
No
Change the Gyro sensor IC(U1)
No
Function is OK?
No
Change the main board
Function is OK?
END
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4. TROUBLE SHOOTING
Yes
END
Yes
END
Yes
END
Yes
END
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