Compass Sensor Troubleshooting - LG D405 Service Manual

3.15 Compass sensor troubleshooting

Proximity sensor signal path is MSM8226 -> BMC150
It communicate via SENSOR0_I2C
Change the Compass Sensor
Compass Sensor function is OK?
Change the main board
Compass Sensor Function is OK?
Compass Sensor IC(U8100)
SENSOR0_I2C_SDA
TP8100
BMC150_INT_1
COMPASS_INT
accelerometer : b'0001_001x
geomagnetic : b'0001_011x
LGE Internal Use Only
START
IC(U8100)
No
TP8101
1
SDO SCK
2
INT1 U8100 VDDIO
3
BMC150
INT2 GND3
EAN62637201
4
DRDY VDD
No
No
VREG_LVS1_1V8
VREG_L19_2V85
11
10
9
8
6.3V 6.3V
C8100
0.1u
- 103 - Copyright © 2014 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
END
END
SENSOR0_I2C_SCL
C8101
0.1u
Only for training and service purposes