Table 1 Audio; Table 4 Power - Nokia RM-824 Service Manual

RM-824; RM-825; RM-826
BB Troubleshooting Guide
Baseband main troubleshooting
Power and charging troubleshooting.................................................................................................................
A/D converter troubleshooting
Backup battery troubleshooting.....................................................................................................................
General power checking troubleshooting
Dead or jammed device troubleshooting
Battery current troubleshooting
Clocking troubleshooting
Wireless charging
USB charging troubleshooting.....................................................................................................................
Interface troubleshooting
USB flashing fault troubleshooting
USB data interface troubleshooting
SIM interface troubleshooting
MicroSD interface troubleshooting..............................................................................................................
DRAM troubleshooting
eMMC troubleshooting
Display module troubleshooting
General instructions for display
Introduction to display troubleshooting
Display troubleshooting
Touch panel troubleshooting.......................................................................................................................
Keys troubleshooting.........................................................................................................................................
Keyboard troubleshooting
Keyboard backlight troubleshooting
Sensors troubleshooting
Accelerometer troubleshooting...................................................................................................................
Magnetometer troubleshooting
Alphamon technical description and
Proximity sensor and ambient light sensor
Proximity and ALS troubleshooting
Gyroscope troubleshooting..........................................................................................................................
Audio troubleshooting.......................................................................................................................................
Audio troubleshooting test
External earpiece troubleshooting..............................................................................................................
External microphone
Internal earpiece troubleshooting
Internal handsfree (IHF)
Internal microphone troubleshooting
Vibra troubleshooting...................................................................................................................................
Connectivity troubleshooting............................................................................................................................
Introduction to connectivity module troubleshooting
Bluetooth and WLAN troubleshooting
Introduction to Bluetooth and WLAN
Bluetooth troubleshooting
WLAN troubleshooting
GPS troubleshooting ..........................................................................................................................................
Introduction to GPS troubleshooting
GPS troubleshooting
NFC troubleshooting ..........................................................................................................................................
Issue 2
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NOKIA INTERNAL USE ONLY
Copyright © 2012 Nokia. All rights reserved.
Table of Contents
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(ALS).................................................................................
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troubleshooting........................................................................
3-5
3-8
3-8
3-9
3-10
3-10
3-11
3-13
3-13
3-15
3-16
3-16
3-17
3-17
3-19
3-20
3-21
3-22
3-22
3-23
3-24
3-24
3-26
3-26
3-26
3-28
3-28
3-29
3-30
3-30
3-31
3-31
3-33
3-33
3-34
3-34
3-36
3-37
3-38
3-38
3-40
3-40
3-42
3-42
3-43
3-43
3-44
3-44
3-46
3-47
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