LG H990ds - Proximity Sensor Troubleshooting (Case 1)

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3. TROUBLE SHOOTING
When LCD ON/OFF is not working automatically check proximity sensor.
3.16.1 Sensor – Proximity(case1)
Checking Flow
START
Send Key click & phone
number click & Call
connected
LCD ON / OFF
Object moved at the
Proximity sensor
END
Try Twice (Yes)
1. Hidden Menu Start
- Start shortcut key : *#546368#*990#
- Hidden Menu List : Choose Device Test
2. Device Test
: SAAT choose
Service Menu Tests
: Service Menu
Manual Test
3. Device Test
4. Service Menu
: Key Press Test
5. Choose
: Calibration start
6. After Calibration
Progress, Attach your
Finger the Proximity
Operation Near
 
Far Check!
Phone Reset
No
If Many Scratch & Organics identify
Clean the Window and Conduct (1)
~(6)
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