Gyro/Compass Sensor Troubleshooting - LG -V909DW Service Manual

4.19 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
is OK?
No
Yes Gyro - NG
Compass - OK?
No
Gyro - OK
Compass - NG?
No
Change the compass sensor
IC (U903)
Function is OK?
No
Change the Gyro sensor
IC (U1)
Function is OK?
No
Change the main board
Function is OK?
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4. TROUBLE SHOOTING
Yes
END
Yes
END
Yes
END
Yes
END
Yes
END
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