User Guide

ManualsBrandsNokia ManualsCell PhoneE50

100

Table of Contents

Baseband troubleshooting....................................................................................................................................6–5

General power checking troubleshooting...........................................................................................................6–7

Clocking troubleshooting......................................................................................................................................6–8

Display module troubleshooting..........................................................................................................................6–9

General instructions for display troubleshooting..........................................................................................6–9

Display fault troubleshooting........................................................................................................................6–11

Display and keyboard backlight troubleshooting........................................................................................6–12

USB troubleshooting............................................................................................................................................6–14

Charging troubleshooting...................................................................................................................................6–15

Dead or jammed phone troubleshooting..........................................................................................................6–16

Vibra troubleshooting..........................................................................................................................................6–17

MicroSD troubleshooting.....................................................................................................................................6–18

Power key troubleshooting.................................................................................................................................6–19

SIM troubleshooting.............................................................................................................................................6–20

Irda troubleshooting............................................................................................................................................6–21

Keyboard troubleshooting..................................................................................................................................6–22

Battery current measuring fault troubleshooting............................................................................................6–24

Flash programming fault troubleshooting........................................................................................................6–25

Backup battery troubleshooting.........................................................................................................................6–25

Bluetooth troubleshooting..................................................................................................................................6–26

Introduction to Bluetooth troubleshooting.................................................................................................6–26

Bluetooth settings for Phoenix......................................................................................................................6–26

Bluetooth self tests in Phoenix......................................................................................................................6–27

Bluetooth BER failure troubleshooting.........................................................................................................6–29

BT audio failure troubleshooting..................................................................................................................6–30

Audio troubleshooting.........................................................................................................................................6–31

Audio troubleshooting test instructions......................................................................................................6–31

Internal earpiece troubleshooting................................................................................................................6–34

Internal microphone troubleshooting..........................................................................................................6–35

IHF troubleshooting........................................................................................................................................6–36

External microphone troubleshooting..........................................................................................................6–37

External earpiece troubleshooting................................................................................................................6–38

Introduction to acoustics troubleshooting..................................................................................................6–39

Acoustics earpiece troubleshooting..............................................................................................................6–40

Acoustics IHF troubleshooting.......................................................................................................................6–41

Acoustics microphone troubleshooting........................................................................................................6–42

Baseband manual tuning guide.........................................................................................................................6–43

Energy management calibration...................................................................................................................6–43

List of Tables

Table 7 Display module troubleshooting cases................................................................................................6–10

Table 8 Pixel defects............................................................................................................................................6–10

Table 9 Calibration value limits..........................................................................................................................6–43

List of Figures

Figure 36 SleepCLK..................................................................................................................................................6–9

Figure 37 SYSCLK.....................................................................................................................................................6–9

Figure 38 Flashing pic 1. Take single trig measurement for the rise of the BSI signal.................................6–25

RM-170; RM-171

BB Troubleshooting and Manual Tuning Guide Nokia Customer Care

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