RM-384
Baseband Troubleshooting
Issue1 Company Confidential Page 3-3
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Table of Contents
Troubleshooting overview
..................................................................................................................................................................... 3-5
Power on Faults troubleshooting
................................................................................................................................................... 3-12
Display Faults troubleshooting
......................................................................................................................................................... 3-15
Keypad Backlight Faults troubleshooting
.................................................................................................................................. 3-17
Keypad Faults troubleshooting
......................................................................................................................................................... 3-19
Hall Sensor Faults troubleshooting
................................................................................................................................................. 3-21
Touch Sensor Faults troubleshooting
........................................................................................................................................... 3-23
Camera Faults troubleshooting
........................................................................................................................................................ 3-25
Flash LED Faults troubleshooting
..................................................................................................................................................... 3-28
Vibrator Faults troubleshooting
....................................................................................................................................................... 3-30
Charging Faults troubleshooting
..................................................................................................................................................... 3-32
Speaker Faults troubleshooting
....................................................................................................................................................... 3-35
Receiver Faults troubleshooting
....................................................................................................................................................... 3-38
Microphone Faults troubleshooting
.............................................................................................................................................. 3-40
Earphone Faults troubleshooting
................................................................................................................................................... 3-42
RUIM Faults troubleshooting
.............................................................................................................................................................. 3-44
FM Fault _Headset not detected troubleshooting
................................................................................................................. 3-46
FM Fault _Can not execute FM radio function troubleshooting
.................................................................................... 3-47
FM Fault _Can not hear FM radio from earphone
troubleshooting
............................................................................ 3-48
IR proximity
troubleshooting
............................................................................................................................................................ 3-50
IR proximity
troubleshooting
............................................................................................................................................................ 3-51
IR proximity
troubleshooting
............................................................................................................................................................ 3-52
IR proximity
troubleshooting
............................................................................................................................................................ 3-53