3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
3. 17 Proximity/Ambient Light Sensor
3. 17. 1 Proximity/Ambient Light Sensor
Proximity Sensor is worked as below:
Send Key click -> Phone number click -> Call connected -> Object moved at the sensor
Ambient Light Sensor is worked as below:
Settings click -> Display click -> Adjust automatically check
Change Main BD
Start
Check
Sensor IC Crack (U8400)
OK?
Check
+1V8_VREG_LVS1(R8401)
TP1
+2V85_VREG_L19(C8401)
TP2
OK?
Check
PROXIMITY_INT (D8401)
TP3
SENSOR0_I2C_SDA(R2207)
TP4
SENSOR0_I2C_SCL(R2208)
TP5
OK?
Change the BD
Check
MSM8926 (U2100)
or Main BD
Check
PM8926 (U4100)
for
TP1, TP2
YES
YES
YES
NO
NO
NO