Nokia RM-824 User Manual

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

Nokia RM-824 Specifications

General

Brand	Nokia
Model	RM-824
Category	Cell Phone
Language	English