Nokia RH-47 Series Description page 4

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Rf description and troubleshooting (76 pages)

Disassembly & assembly instructions (22 pages)

Table Of Contents

Table of Contents

RH-47

7 - Baseband Description & Troubleshooting

Most common symptoms reported by customer .......................................................................22

Most common symptoms for audio problems........................................................................ 22

Most common symptoms for Bluetooth problems................................................................ 22

Symptoms related to energy management ............................................................................. 22

Problems related to UI module:.................................................................................................. 22

Most common RF related symptoms: ....................................................................................... 23

ASIC is changed ..................................................................................................................................23

Test points ............................................................................................................................................24

"CONTACT SERVICE" on display ......................................................................................................25

1CK Baseband HW Subarea Troubleshooting............................................................................... 26

Flashing troubleshooting ..................................................................................................................26

Energy management troubleshooting ..........................................................................................28

Device does not stay on................................................................................................................ 28

General power checking ............................................................................................................... 29

Power key troubleshooting .......................................................................................................... 31

Clocks troubleshooting.................................................................................................................. 31

Charging checking.......................................................................................................................... 34

Energy management calibration ................................................................................................ 37

ADC-reading..................................................................................................................................... 38

Backup battery ................................................................................................................................ 38

SIM card ............................................................................................................................................ 40

Audio troubleshooting ......................................................................................................................43

Memory troubleshooting ..................................................................................................................50

Serial interface troubleshooting ....................................................................................................50

CBUS................................................................................................................................................... 50

FBUS ................................................................................................................................................... 51

MBUS.................................................................................................................................................. 51

Bluetooth troubleshooting ...............................................................................................................52

MMC troubleshooting .......................................................................................................................53

Vibra .......................................................................................................................................................54

ZOCUS ....................................................................................................................................................55

UI Module Troubleshooting ............................................................................................................... 56

Keymat backlight ................................................................................................................................56

Keyboard problem ..............................................................................................................................58

Display blank ........................................................................................................................................59

Backlight does not turn on .............................................................................................................60

Appendix A ............................................................................................................................................. 62

Test points - Bottom ..........................................................................................................................62

Test points - Top .................................................................................................................................62

Page 4

Company Confidential

Nokia Customer Care

Issue 1 05/04

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