Nokia 5310 Service Manual Issue -1

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Page 1

Nokia Customer Care

Service Manual

RM-303 (Nokia 5310 XpressMusic)

Mobile Terminal

Part No: (Issue 1)

COMPANY CONFIDENTIAL

Page 2

Amendment Record Sheet

Amendment No Date Inserted By Comments

Original issue 09/2007 G Rudh

RM-303

Page ii COMPANY CONFIDENTIAL Issue 1

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RM-303 Copyright

Copyright

without the prior written permission of Nokia is prohibited. Nokia, Nokia Connecting People, and Nokia X and Y are trademarks or registered trademarks of Nokia

Corporation. Other product and company names mentioned herein may be trademarks or tradenames of their respective owners.

Nokia operates a policy of continuous development. Nokia reserves the right to make changes and improvements to any of the products described in this document without prior notice.

Under no circumstances shall Nokia be responsible for any loss of data or income or any special, incidental, consequential or indirect damages howsoever caused.

The contents of this document are provided "as is". Except as required by applicable law, no warranties of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose, are made in relation to the accuracy, reliability or contents of this document. Nokia reserves the right to revise this document or withdraw it at any time without prior notice.

The availability of particular products may vary by region.

IMPORTANT

This document is intended for use by qualified service personnel only.

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RM-303

Warnings and cautions

Warnings

• IF THE DEVICE CAN BE INSTALLED IN A VEHICLE, CARE MUST BE TAKEN ON INSTALLATION IN VEHICLES FITTED WITH ELECTRONIC ENGINE MANAGEMENT SYSTEMS AND ANTI-SKID BRAKING SYSTEMS. UNDER CERTAIN FAULT CONDITIONS, EMITTED RF ENERGY CAN AFFECT THEIR OPERATION. IF NECESSARY, CONSULT THE VEHICLE DEALER/ MANUFACTURER TO DETERMINE THE IMMUNITY OF VEHICLE ELECTRONIC SYSTEMS TO RF ENERGY.

• THE PRODUCT MUST NOT BE OPERATED IN AREAS LIKELY TO CONTAIN POTENTIALLY EXPLOSIVE ATMOSPHERES, FOR EXAMPLE, PETROL STATIONS (SERVICE STATIONS), BLASTING AREAS ETC.

• OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT, INCLUDING CELLULAR TELEPHONES, MAY INTERFERE WITH THE FUNCTIONALITY OF INADEQUATELY PROTECTED MEDICAL DEVICES. CONSULT A PHYSICIAN OR THE MANUFACTURER OF THE MEDICAL DEVICE IF YOU HAVE ANY QUESTIONS. OTHER ELECTRONIC EQUIPMENT MAY ALSO BE SUBJECT TO INTERFERENCE.

• BEFORE MAKING ANY TEST CONNECTIONS, MAKE SURE YOU HAVE SWITCHED OFF ALL EQUIPMENT.

Cautions

• Servicing and alignment must be undertaken by qualified personnel only.

• Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.

• Ensure solder, wire, or foreign matter does not enter the telephone as damage may result.

• Use only approved components as specified in the parts list.

• Ensure all components, modules, screws and insulators are correctly re-fitted after servicing and alignment.

• Ensure all cables and wires are repositioned correctly.

• Never test a mobile phone WCDMA transmitter with full Tx power, if there is no possibility to perform the measurements in a good performance RF-shielded room. Even low power WCDMA transmitters may disturb nearby WCDMA networks and cause problems to 3G cellular phone communication in a wide area.

• During testing never activate the GSM or WCDMA transmitter without a proper antenna load, otherwise GSM or WCDMA PA may be damaged.

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RM-303 For your safety

For your safety

QUALIFIED SERVICE

Only qualified personnel may install or repair phone equipment.

ACCESSORIES AND BATTERIES

Use only approved accessories and batteries. Do not connect incompatible products.

CONNECTING TO OTHER DEVICES

When connecting to any other device, read its user’s guide for detailed safety instructions. Do not connect incompatible products.

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RM-303

Care and maintenance

This product is of superior design and craftsmanship and should be treated with care. The suggestions below will help you to fulfil any warranty obligations and to enjoy this product for many years.

• Keep the phone and all its parts and accessories out of the reach of small children.

• Keep the phone dry. Precipitation, humidity and all types of liquids or moisture can contain minerals that will corrode electronic circuits.

• Do not use or store the phone in dusty, dirty areas. Its moving parts can be damaged.

• Do not store the phone in hot areas. High temperatures can shorten the life of electronic devices, damage batteries, and warp or melt certain plastics.

• Do not store the phone in cold areas. When it warms up (to its normal temperature), moisture can form inside, which may damage electronic circuit boards.

• Do not drop, knock or shake the phone. Rough handling can break internal circuit boards.

• Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the phone.

• Do not paint the phone. Paint can clog the moving parts and prevent proper operation.

• Use only the supplied or an approved replacement antenna. Unauthorised antennas, modifications or attachments could damage the phone and may violate regulations governing radio devices.

All of the above suggestions apply equally to the product, battery, charger or any accessory.

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RM-303 ESD protection

ESD protection

Nokia requires that service points have sufficient ESD protection (against static electricity) when servicing the phone.

Any product of which the covers are removed must be handled with ESD protection. The SIM card can be replaced without ESD protection if the product is otherwise ready for use.

To replace the covers ESD protection must be applied. All electronic parts of the product are susceptible to ESD. Resistors, too, can be damaged by static electricity

discharge. All ESD sensitive parts must be packed in metallized protective bags during shipping and handling outside

any ESD Protected Area (EPA). Every repair action involving opening the product or handling the product components must be done under

ESD protection. ESD protected spare part packages MUST NOT be opened/closed out of an ESD Protected Area. For more information and local requirements about ESD protection and ESD Protected Area, contact your local

Nokia After Market Services representative.

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RM-303

Battery information

Note: A new battery's full performance is achieved only after two or three complete charge and

discharge cycles!

The battery can be charged and discharged hundreds of times but it will eventually wear out. When the operating time (talk-time and standby time) is noticeably shorter than normal, it is time to buy a new battery.

Use only batteries approved by the phone manufacturer and recharge the battery only with the chargers approved by the manufacturer. Unplug the charger when not in use. Do not leave the battery connected to a charger for longer than a week, since overcharging may shorten its lifetime. If left unused a fully charged battery will discharge itself over time.

Temperature extremes can affect the ability of your battery to charge. For good operation times with Ni-Cd/NiMh batteries, discharge the battery from time to time by leaving the

product switched on until it turns itself off (or by using the battery discharge facility of any approved accessory available for the product). Do not attempt to discharge the battery by any other means.

Use the battery only for its intended purpose. Never use any charger or battery which is damaged. Do not short-circuit the battery. Accidental short-circuiting can occur when a metallic object (coin, clip or

pen) causes direct connection of the + and - terminals of the battery (metal strips on the battery) for example when you carry a spare battery in your pocket or purse. Short-circuiting the terminals may damage the battery or the connecting object.

Leaving the battery in hot or cold places, such as in a closed car in summer or winter conditions, will reduce the capacity and lifetime of the battery. Always try to keep the battery between 15°C and 25°C (59°F and 77° F). A phone with a hot or cold battery may temporarily not work, even when the battery is fully charged. Batteries' performance is particularly limited in temperatures well below freezing.

Do not dispose of batteries in a fire! Dispose of batteries according to local regulations (e.g. recycling). Do not dispose as household waste.

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RM-303 Company Policy

Company Policy

Our policy is of continuous development; details of all technical modifications will be included with service bulletins.

While every endeavour has been made to ensure the accuracy of this document, some errors may exist. If any errors are found by the reader, NOKIA MOBILE PHONES Business Group should be notified in writing/email.

Please state:

• Title of the Document + Issue Number/Date of publication

• Latest Amendment Number (if applicable)

• Page(s) and/or Figure(s) in error

Please send to:

NOKIA CORPORATION Nokia Mobile Phones Business Group Nokia Customer Care PO Box 86 FIN-24101 SALO Finland E-mail: Service.Manuals@nokia.com

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RM-303

Company Policy

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RM-303 Nokia 5310 XpressMusic Service Manual Structure

Nokia 5310 XpressMusic Service Manual Structure

1 General information 2 Service Devices and Service Concepts 3 BB Troubleshooting and Manual Tuning Guide 4 RF troubleshooting 5 System Module Glossary

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RM-303

Nokia 5310 XpressMusic Service Manual Structure

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Nokia Customer Care

1 — General information

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RM-303

General information

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RM-303 General information

Table of Contents

Product selection....................................................................................................................................................1–5

Phone features .......................................................................................................................................................1–5

User interface and software features...................................................................................................................1–6

Accessories..............................................................................................................................................................1–6

Technical specifications.........................................................................................................................................1–7

General specifications.......................................................................................................................................1–7

Battery endurance.............................................................................................................................................1–7

List of Tables

Table 1 Battery and chargers ................................................................................................................................1–6

Table 2 Headsets ....................................................................................................................................................1–7

Table 3 Data cables ................................................................................................................................................1–7

List of Figures

Figure 1 RM-303 (Nokia 5310 XpressMusic) product picture .............................................................................1–5

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General information

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RM-303 General information

Product selection

RM-303 (Nokia 5310 XpressMusic) is a GSM triple band phone, supporting EGSM/900/1800/1900 bands.

Figure 1 RM-303 (Nokia 5310 XpressMusic) product picture

Phone features

Display and keypad features

• 2” 240x320 pixel, 16M true colour display

• Ambient light sensor

• 5-way , navi-key (2 soft-keys, call and end keys)

Hardware features

• 2-megapixel auto focus camera with 4x digital zoom

• 3.5mm AV connector for stereo headset

• Micro USB port for data transfer (USB 2.0)

• Bluetooth (version 2.0)

• RDS Stereo radio and music player

• Internal vibrator and antenna

• Plug-in SIM (1.8 V and 3.0 V)

• MicroSD card hot swap slot (up to 32GM)

• Dedicated music keys (play/paus/forward)

• DAC33 for improved music quality and extended playback time

• Side volume keys with zoom functionality

RF features

• GSM/EGSM 850/900/1800/1900

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RM-303

General information

• EGPRS: MSC 32 (MSC 31 in China)

• GPRS: MSC 32 (MSC 31 in China)

• HSCDS

• CSD

User interface and software features

Selection of software applications and services

• Audio messages

• 3GPP streaming / downloading video

• XHTML browsing over TCP/IP

• Themes (wallpapers, icons, colors)

• Music Player supporting MP3, AAC, ACC+, eAAC+ and WMA

• Nokia Xpress audio messaging (AMS)

• OMA DRM 2.0 (Digital Right Management)

• OMA MMS 1.2, MMS Conformance 3.0, AMR and SMIL

• OMA Client Provisioning v1.1

• Java

• MP3 ringing tones, true tones and MIDI ringing, alert and gaming tones with support of 64 polyphony

• Video ringing tones

• WAP 2.0, XHTML browser over HTTP/TCP/IP stack

• SyncML (local and remote)

• TWIN PC Suite

Accessories

Sales package contents

• Nokia 5310 XpressMusic phone

• Nokia Battery BL-4CT

• Nokia Charger: AC-3 (AC-6 and CA-100C for PRC)

• 2GB micro SD memory card (area dependent)

• Nokia wired stereo headset: HS-45

• CD rom

• User Guide

Table 1 Battery and chargers

Type Name

Note: This phone is charged through the smaller charger Nokia standard interface (2.mm plug). The

standard 3.5mm standard charger can be used together with the CA-44 charger adapter. AC-3 Charger BL-4CT Battery 850 mAh Li-Ion

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RM-303 General information

Type Name

HS-45 Stereo headset (wired) HS-62 Stereo headset (wired) HS-39W Stereo headset (BT) HS-71W Stereo headset (BT)

Type Name

CA-101 Micro USB cable

Technical specifications

General specifications

Table 2 Headsets

Table 3 Data cables

Unit Dimension (mm) Weight (g) Volume (cc)

Transceiver with BL-4CT

103.8 x 44.7 x 9.9 70.2 44.8 850 mAh Li-Ion battery pack

Battery endurance

Battery NMP Talk time NMP Standby time

BL-4CT 850 mAh Li-ion Up to 5.4 Hours 12.5 Days

Music 18 Hours

Note: Variation in operation times will occur depending on SIM card, network settings and usage.

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General information

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Nokia Customer Care

2 — Service Devices and

Service Concepts

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RM-303

Service Devices and Service Concepts

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RM-303 Service Devices and Service Concepts

Table of Contents

Service devices........................................................................................................................................................2–5

Product specific devices....................................................................................................................................2–5

FS-62..............................................................................................................................................................2–5

MJ-147 ...........................................................................................................................................................2–5

RJ-185 ............................................................................................................................................................2–5

SA-138 ...........................................................................................................................................................2–6

General devices..................................................................................................................................................2–6

CU-4................................................................................................................................................................2–7

FLS-5 ..............................................................................................................................................................2–8

FPS-10............................................................................................................................................................2–8

PK-1................................................................................................................................................................2–8

PKD-1 .............................................................................................................................................................2–9

RJ-215 ............................................................................................................................................................2–9

RJ-216 ............................................................................................................................................................2–9

SB-6................................................................................................................................................................2–9

SPS-2..............................................................................................................................................................2–9

SRT-6........................................................................................................................................................... 2–10

SS-46........................................................................................................................................................... 2–10

SS-62........................................................................................................................................................... 2–10

SS-88........................................................................................................................................................... 2–10

SS-93........................................................................................................................................................... 2–10

ST-66........................................................................................................................................................... 2–11

ST-67........................................................................................................................................................... 2–11

SX-4............................................................................................................................................................. 2–11

Cables............................................................................................................................................................... 2–11

CA-101 ........................................................................................................................................................ 2–11

CA-35S......................................................................................................................................................... 2–12

PCS-1........................................................................................................................................................... 2–12

XCS-4........................................................................................................................................................... 2–12

XRE-2........................................................................................................................................................... 2–13

XRF-1........................................................................................................................................................... 2–13

Service concepts .................................................................................................................................................. 2–14

POS (Point of Sale) flash concept .................................................................................................................. 2–14

Flash concept with FPS-10............................................................................................................................. 2–15

CU-4 flash concept with FPS-10..................................................................................................................... 2–16

Module jig service concept............................................................................................................................ 2–17

RF testing concept with RF coupler .............................................................................................................. 2–18

Service concept for RF testing and RF/BB tuning........................................................................................ 2–19

List of Figures

Figure 2 POS flash concept ................................................................................................................................. 2–14

Figure 3 Basic flash concept with FPS-10.......................................................................................................... 2–15

Figure 4 CU-4 flash concept with FPS-10........................................................................................................... 2–16

Figure 5 Module jig service concept .................................................................................................................. 2–17

Figure 6 RF testing concept with RF coupler .................................................................................................... 2–18

Figure 7 Service concept for RF testing and RF/BB tuning .............................................................................. 2–19

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Service Devices and Service Concepts

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RM-303 Service Devices and Service Concepts

Service devices

Product specific devices

The table below gives a short overview of service tools that can be used for testing, error analysis and repair of product RM-303, refer to various concepts.

FS-62 Flash adapter

• FS-62 is equipped with a clip interlock system

• provides standardised interface towards Control Unit

• provides RF connection using coupler

• multiplexing between USB and FBUS media, controlled by VUSB

MJ-147 Module jig MJ-147 is meant for component level troubleshooting.

The jig includes an RF interface for GSM and Bluetooth. In addition, it has the following features:

• Provides mechanical interface with the engine module

• Provides galvanic connection to all needed test pads in module

• Multiplexing between USB and FBUS media, controlled by Vusb

• MMC interface

• Duplicated SIM connector

• Connector for control unit

• Access for AV- and USB connectors

RJ-185 Rework jig RJ-185 is a jig used for soldering and as a rework jig for the engine

module.

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RM-303

Service Devices and Service Concepts

SA-138 RF coupler SA-138 is an RF coupler for GSM RF testing. It is used together with

SS-46 and SS-62. The following table shows attenuations from the antenna pads of the

mobile terminal to the SMA connectors of SA-138:

•

Frequency Att. (dB) Tol. (dB)

GSM900 TX Low: 6.9 Mid: 5.8 High: 5.0 ±1 GSM900 RX Low: 4 Mid: 3 High: 3 ±1 GSM1800 TX Low: 8.7 Mid: 8.7 High: 8.1 ±1 GSM1800 RX Low: 6 Mid: 7 High: 7 ±1 GSM1900 TX Low: 7.4 Mid: 7.3 High: 8.5 ±1 GSM1900 RX Low: 8 Mid: 7 High: 7 ±1

General devices

The table below gives a short overview of service tools that can be used for testing, error analysis and repair of product RM-303, refer to various concepts.

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RM-303 Service Devices and Service Concepts

CU-4 Control unit CU-4 is a general service tool used with a module jig and/or a flash

adapter. It requires an external 12 V power supply. The unit has the following features:

• software controlled via USB

• EM calibration function

• Forwards FBUS/Flashbus traffic to/from terminal

• Forwards USB traffic to/from terminal

• software controlled BSI values

• regulated VBATT voltage

• 2 x USB2.0 connector (Hub)

• FBUS and USB connections supported When using CU-4, note the special order of connecting cables and

other service equipment:

Instructions

1 Connect a service tool (jig, flash adapter) to CU-4. 2 Connect CU-4 to your PC with a USB cable. 3 Connect supply voltage (12 V) 4 Connect an FBUS cable (if necessary). 5 Start Phoenix service software.

Note: Phoenix enables CU-4 regulators via USB when it is

started. Reconnecting the power supply requires a Phoenix restart.

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RM-303

Service Devices and Service Concepts

FLS-5 Flash device FLS-5 is a dongle and flash device incorporated into one package,

developed specifically for POS use.

Note: FLS-5 can be used as an alternative to PKD-1.

FPS-10 Flash prommer FPS-10 interfaces with:

• PC

• Control unit

• Flash adapter

• Smart card FPS-10 flash prommer features:

• Flash functionality for BB5 and DCT-4 terminals

• Smart Card reader for SX-2 or SX-4

• USB traffic forwarding

• USB to FBUS/Flashbus conversion

• LAN to FBUS/Flashbus and USB conversion

• Vusb output switchable by PC command FPS-10 sales package includes:

• FPS-10 prommer

• Power Supply with 5 country specific cords

• USB cable

Note: FPS-21 is substitute FPS-10 if FPS-10 has not been set

up.

PK-1 Software protection

key

PK-1 is a hardware protection key with a USB interface. It has the same functionality as the PKD-1 series dongle.

PK-1 is meant for use with a PC that does not have a series interface. To use this USB dongle for security service functions please register

the dongle in the same way as the PKD-1 series dongle.

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RM-303 Service Devices and Service Concepts

PKD-1 SW security device SW security device is a piece of hardware enabling the use of the

service software when connected to the parallel (LPT) port of the PC. Without the device, it is not possible to use the service software. Printer or any such device can be connected to the PC through the

device if needed.

RJ-215 Rework jig RJ-215 is a jig used for soldering and as a rework jig for the engine

module. It is used together with the ST-66 stencil.

RJ-216 Rework jig RJ-216 is a jig used for soldering and as a rework jig for the engine

module. It is used together with the ST-67 stencil.

SB-6 Bluetooth tester The SB-6 test box is a generic device to perform Bluetooth bit error

rate testing and doing cordless FBUS connection via Bluetooth.

SPS-2 Soldering paste

spreader

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RM-303

Service Devices and Service Concepts

SRT-6 Opening tool SRT-6 is used to open phone covers.

SS-46 Interface adapter SS-46 acts as an interface adapter between the flash adapter and

FPS-10.

SS-62 Generic flash adapter

base for BB5

• generic base for flash adapters and couplers

• SS-62 equipped with a clip interlock system

• provides standardised interface towards Control Unit

• provides RF connection using galvanic connector or coupler

• multiplexing between USB and FBUS media, controlled by VUSB

SS-88 Camera removal tool The camera removal tool SS-88 is used to remove/attach the front

camera module from/to the socket.

SS-93 Blue stick tool SS-93 is used for general disassembly and assembly tasks.

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RM-303 Service Devices and Service Concepts

ST-66 Rework stencil ST-66 is a rework stencil used with .

ST-67 Rework stencil ST-67 is a rework stencil used with .

SX-4 Smart card SX-4 is a BB5 security device used to protect critical features in tuning

and testing. SX-4 is also needed together with FPS-10 when DCT-4 phones are

flashed.

Cables

The table below gives a short overview of service tools that can be used for testing, error analysis and repair of product RM-303, refer to various concepts.

CA-101 Micro USB cable The CA-101 is a USB-to-microUSB data cable that allows connections

between the PC and the phone.

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RM-303

Service Devices and Service Concepts

CA-35S Power cable CA-35S is a power cable for connecting, for example, the FPS-10 flash

prommer to the Point-Of-Sales (POS) flash adapter.

PCS-1 Power cable The PCS-1 power cable (DC) is used with a docking station, a module

jig or a control unit to supply a controlled voltage.

XCS-4 Modular cable XCS-4 is a shielded (one specially shielded conductor) modular cable

for flashing and service purposes.

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RM-303 Service Devices and Service Concepts

XRE-2 Bluetooth cable The bluetooth cable connects the bluetooth connector of the module

jig to the bluetooth test box JBT-9.

XRF-1 RF cable The RF cable is used to connect, for example, a module repair jig to

the RF measurement equipment. SMA to N-Connector ca. 610mm. Attenuation for:

• GSM850/900: 0.3+-0.1 dB

• GSM1800/1900: 0.5+-0.1 dB

• WLAN: 0.6+-0.1dB

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Service concepts

POS (Point of Sale) flash concept

RM-303

Service Devices and Service Concepts

Figure 2 POS flash concept

Type Description

Product specific tools

BL-4CT Battery

Other tools

FLS-5 POS flash dongle

PC with Phoenix service software

Cables

CA-101 USB connectivity cable

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RM-303 Service Devices and Service Concepts

Flash concept with FPS-10

Figure 3 Basic flash concept with FPS-10

Type Description

Product specific devices

FS-62 Flash adapter

Other devices

FPS-10 Flash prommer box PKD-1/PK-1 SW security device SS-46 Interface adapter

PC with Phoenix service software

Cables

XCS-4 Modular cable CA-35S Power cable

USB cable

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CU-4 flash concept with FPS-10

RM-303

Service Devices and Service Concepts

Figure 4 CU-4 flash concept with FPS-10

Type Description

Product specific devices

FS-62 Flash adapter

Other devices

CU-4 Control unit FPS-10 Flash prommer box PKD-1/PK-1 SW security device SS-62 Flash adapter base SX-4 Smart card

PC with Phoenix service software

Cables

PCS-1 Power cable XCS-4 Modular cable

Standard USB cable USB cable

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RM-303 Service Devices and Service Concepts

Module jig service concept

Figure 5 Module jig service concept

Type Description

Phone specific devices

MJ-147 Module jig

Other devices

CU-4 Control unit FPS-10 Flash prommer box PK-1 SW security device SX-4 Smart card

PC with VPOS and Phoenix service software Measurement equipment

Cables

PCS-1 DC power cable XCS-4 Modular cable XRF-1 RF cable

USB cable

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Type Description

GPIB control cable

RF testing concept with RF coupler

RM-303

Service Devices and Service Concepts

Figure 6 RF testing concept with RF coupler

Type Description

Product specific devices

FS-62 Flash adapter SA-138 RF coupler

Other devices

CU-4 Control unit SX-4 Smart card FPS-10 Flash prommer box PKD-1/PK-1 SW security device SS-62 Flash adapter base

Measurement equipment PC with Phoenix service software

Cables

PCS-1 Power cable

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RM-303 Service Devices and Service Concepts

Type Description

XCS-4 Modular cable XRS-6 RF cable

GPIB control cable USB cable

Service concept for RF testing and RF/BB tuning

Figure 7 Service concept for RF testing and RF/BB tuning

Type Description

Product specific devices

MJ-147 Module jig

Other devices

CU-4 Control unit PK-1 SW security device SX-4 Smart card

Measurement equipment Smart card reader PC with Phoenix service software

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Type Description

Cables

DAU-9S MBUS cable PCS-1 DC power cable XRS-6 RF cable

GPIB control cable USB cable

RM-303

Service Devices and Service Concepts

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Nokia Customer Care

3 — BB Troubleshooting and

Manual Tuning Guide

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RM-303

BB Troubleshooting and Manual Tuning Guide

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RM-303 BB Troubleshooting and Manual Tuning Guide

Table of Contents

Baseband self tests in Phoenix .............................................................................................................................3–5

Power and charging troubleshooting..................................................................................................................3–7

Dead or jammed device troubleshooting.......................................................................................................3–7

General power checking...................................................................................................................................3–9

Charging troubleshooting ................................................................................................................................3–9

Interface troubleshooting .................................................................................................................................. 3–11

Flash programming fault troubleshooting.................................................................................................. 3–11

Combo memory troubleshooting ................................................................................................................. 3–14

USB interface troubleshooting...................................................................................................................... 3–14

SIM card troubleshooting .............................................................................................................................. 3–15

User interface troubleshooting.......................................................................................................................... 3–17

Keypad troubleshooting................................................................................................................................ 3–17

Display module troubleshooting.................................................................................................................. 3–17

General instructions for display troubleshooting.................................................................................. 3–17

Display troubleshooting ........................................................................................................................... 3–18

Keyboard backlight troubleshooting ...................................................................................................... 3–20

Camera troubleshooting..................................................................................................................................... 3–21

Camera troubleshooting................................................................................................................................ 3–21

Camera hardware troubleshooting.............................................................................................................. 3–21

Audio troubleshooting........................................................................................................................................ 3–23

Audio troubleshooting test instructions...................................................................................................... 3–23

Internal earpiece troubleshooting ............................................................................................................... 3–27

Internal microphone troubleshooting......................................................................................................... 3–27

Internal handsfree (IHF) troubleshooting.................................................................................................... 3–28

External earpiece troubleshooting............................................................................................................... 3–29

External microphone troubleshooting......................................................................................................... 3–30

Vibra troubleshooting.................................................................................................................................... 3–31

Baseband manual tuning guide......................................................................................................................... 3–32

Certificate restoring for BB5 products.......................................................................................................... 3–32

Energy management calibration.................................................................................................................. 3–37

List of Tables

Table 4 Display module troubleshooting cases................................................................................................ 3–17

Table 5 Pixel defects ........................................................................................................................................... 3–18

Table 6 Calibration value limits ......................................................................................................................... 3–37

List of Figures

Figure 8 Flashing pic 1. Take single trig measurement for the rise of the BSI signal.................................. 3–12

Figure 9 Flashing pic 2. Take single trig measurement for the rise of the BSI signal.................................. 3–13

Figure 10 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is

connected. ................................................................................................................................................. 3–25

Figure 11 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is

connected. ................................................................................................................................................. 3–25

Figure 12 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected....

3–26

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Baseband self tests in Phoenix

Context

Always start the troubleshooting procedure by running the Phoenix self tests. If a test fails, please follow the diagram below.

If the phone is dead and you cannot perform the self tests, go to

Dead or jammed device troubleshooting.

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Troubleshooting flow

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Power and charging troubleshooting

Dead or jammed device troubleshooting

Troubleshooting flow

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Troubleshooting flow

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General power checking

Check the following voltages:

Signal name Regulator Sleep Idle Nominal

voltage

VIO AVILMA ON ON 1.82 Memory, I/Os,

VBACK AVILMA ON ON 2.5 Back-up

VSIM1 AVILM ON ON 1.8/3.0 SIM card VDRAM AVILMA ON ON 1.82 SDRAM VAUX AVILMA OFF OFF 2.5 Camera, ALS,

VR1 AVILMA OFF ON 2.5 Crystal

VRFC AVILMA OFF ON 1.8 RAP3G

VRCP1 AVILMA 4.75 To RF parts RF active VREF AVILMA ON ON 1.35 RF reference VCORE BETTY ON ON 1.05

1.25

1.35

1.40

Main user Notes

Display

battery

Display

oscillators, RFIC

converters

RAP3G digital

VOUT BETTY OFF OFF 2.5 Accessory

connected

VCAM_2V8 LP3987ITLX-2.

85/N3351

VCAM_1V8 LM3677TLX-1.

82/N3350

VSIM2_MMC KMBGN000A/

D4800

VLEDOUT TPS61061/

N2301

OFF OFF 2.850 Camera Disabled in

sleep

OFF OFF 1.800 Camera Disabled in

sleep

OFF OFF 2.850 Internal

memory

OFF OFF 14.5 LCD Backlight Disabled in

Disabled in sleep

sleep

Charging troubleshooting

Troubleshooting flow

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Interface troubleshooting

Flash programming fault troubleshooting

Part 1

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Part 2

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Figure 8 Flashing pic 1. Take single trig measurement for the rise of the BSI signal.

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Figure 9 Flashing pic 2. Take single trig measurement for the rise of the BSI signal.

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Combo memory troubleshooting

Troubleshooting flow

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USB interface troubleshooting

Troubleshooting flow

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SIM card troubleshooting

Troubleshooting flow

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User interface troubleshooting

Keypad troubleshooting

Context

There are two possible failure modes in the keyboard module:

• One or more keys are stuck, so that the key does not react when a keydome is pressed. This kind of failure is caused by mechanical reasons (dirt, rust, mechanical damage, etc.)

• Malfunction of several keys at the same time; this happens when one or more rows or columns in the key matrix are failing (shortcut or open connection).

If the failure mode is not clear, start with the Keyboard test in Phoenix.

Troubleshooting flow

Display module troubleshooting

General instructions for display troubleshooting

Context

• The display is in a normal mode when the phone is in active use.

• Display is in a partial idle mode when the phone is in the screen saver mode.

• The operating modes of the display can be controlled with the help of

Table 4 Display module troubleshooting cases

Display blank There is no image on the display. The display looks

the same when the phone is on as it does when the phone is off. The backlight can be on in some cases.

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Image on the display not correct Image on the display can be corrupted or a part of

the image can be missing. If a part of the image is missing, change the display module. If the image is otherwise corrupted, follow the appropriate troubleshooting diagram.

Backlight dim or not working at all Backlight LED components are inside the display

module. Backlight failure can also be in the connector or in the backlight power source in the main engine of the phone.

This means that in case the display is working (image OK), the backlight is faulty.

Visual defects (pixel) Pixel defects can be checked by controlling the

display with Phoenix. Use both colours, black and white, on a full screen.

The display may have some random pixel defects that are acceptable for this type of display. The criteria when pixel defects are regarded as a display failure, resulting in a replacement of the display, are presented the following table.

Table 5 Pixel defects

Item White dot defect Black dot

defect

1 Defect counts R G B White Dot

Total

1 1 1 1

2 Combined

defect counts

Not allowed. Two single dot defects that are within 5 mm of each other should be

interpreted as combined dot defect.

1 1

Total

Steps

1. Verify with a working display that the fault is not on the display module itself. The display module cannot be repaired.

2. Check that the cellular engine is working normally. i To check the functionality, connect the phone to a docking station. ii Start iii Read the phone information to check that also the application engine is functioning normally (you

3. Proceed to the display troubleshooting flowcharts. Use the Display Test tool in

Phoenix

should be able to read the APE ID).

service software.

Phoenix

to find the detailed fault mode.

Display troubleshooting

Context

There are three different display fault cases;

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1 No backlights when image is on 2 No image when backlight is on 3 No backlight and no image

Troubleshooting flow

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Keyboard backlight troubleshooting

Troubleshooting flow

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Camera troubleshooting

Troubleshooting flow

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Camera hardware troubleshooting

Troubleshooting flow

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Audio troubleshooting

Audio troubleshooting test instructions

Differential external earpiece and internal earpiece outputs can be measured either with a single-ended or a differential probe.

When measuring with a single-ended probe each output is measured against the ground. Internal handsfree output is measured using a current probe, if a special low-pass filter designed for

measuring a digital amplifier is not available. Note also that when using a current probe, the input signal frequency must be set to 2kHz.

The input signal for each loop test can be either single-ended or differential.

Required equipment

The following equipment is needed for the tests:

• Oscilloscope

• Function generator (sine waveform)

• 'Active speaker' or 'speaker and power amplifier'

• Sound level meter

• Current probe (Internal handsfree DPMA output measurement)

• Phoenix service software

• Battery voltage 3.7V

Test procedure

Audio can be tested using the Phoenix audio routings option. Three different audio loop paths can be activated:

• External microphone to Internal earpiece

• External microphone to Internal handsfree speaker

• Internal microphone to External earpiece Each audio loop sets routing from the specified input to the specified output enabling a quick in-out test.

Loop path gains are fixed and they cannot be changed using Phoenix. Correct pins and signals for each test are presented in the following table.

Phoenix audio loop tests and test results

The results presented in the table apply when no accessory is connected and battery voltage is set to 3.7V. Earpiece, internal microphone and speaker are in place during measurement. Applying a headset accessory

during measurement causes a significant drop in measured quantities. The gain values presented in the table apply for a differential output vs. single-ended/differential input.

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Loop test Input

External Mic to External Earpiece

External Mic to Internal Earpiece

terminal

XMICP and GND

XMICN and GND

XMICP and GND

Output

terminal

HSEAR R P, HSEAR R N and GND

HSEAR P, HSEAR N and GND

HSEAR R P, HSEAR R N and GND

HSEAR P, HSEAR N and GND

EarP and GND

EarN and GND

Path

gain [dB]

(fixed)

-2.9 1000 720 1.2 NA

-4.5 1000 600 1.2 NA

Input

voltage

[mVp-p]

Differential

output

voltage

[mVp-p]

Output

DC level

[V]

Output

current

[mA]

External Mic to Internal handsfree

Internal Mic to External Earpiece

XMICN and GND

XMICP and GND

XMICN and GND

B2100 (OUT/GND)

EarP and GND

EarN and GND

B2102 pads -5 1000 560 0 25mA

(calc.)

B2102 pads

HSEAR R P, HSEAR R N and GND

HSEAR P, HSEAR N and GND

HSEAR R P, HSEAR R N and GND

HSEAR P, HSEAR N and GND

22.7 100 1360 1.2 NA

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Measurement data

Figure 10 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is connected.

If a special low-pass filter designed for measuring digital amplifiers is unavailable, the measurement must be performed with a current probe and the input signal frequency must be 2kHz.

Figure 11 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is connected.

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Figure 12 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected.

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Internal earpiece troubleshooting

Troubleshooting flow

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Internal microphone troubleshooting

Troubleshooting flow

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Internal handsfree (IHF) troubleshooting

Troubleshooting flow

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External earpiece troubleshooting

Troubleshooting flow

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External microphone troubleshooting

Troubleshooting flow

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Vibra troubleshooting

Troubleshooting flow

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Baseband manual tuning guide

Certificate restoring for BB5 products

Context

This procedure is performed when the device certificate is corrupted for some reason. All tunings (RF & Baseband, UI) must be done after performing the certificate restoring procedure. The procedure for certificate restoring is the following:

• Flash the phone with the latest available software using FPS-8 or FPS-10.

Note: USB flashing does not work for a dead BB5 phone.

• Create a request file.

• Send the file to Nokia by e-mail. Use the following addresses depending on your location:

• APAC: sydney.service@nokia.com

• CHINA: repair.ams@nokia.com

• E&A: salo.repair@nokia.com

• AMERICAS: fls1.usa@nokia.com

• When you receive a reply from Nokia, carry out certificate restoring.

• Tune the phone completely.

Note: SX-4 smart card is needed.

• If the phone resets after certificate restoring, reflash the phone again.

Required equipment and setup:

•

Phoenix

• The latest phone model specific

• PKD-1 dongle

service software v 2007.19 or newer.

Phoenix

data package.

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• SX-4 smart card (Enables BB5 testing and tuning features)

• External smart card reader

Note: The smart card reader is only needed when FPS-8 is used. FPS-10 has an integrated smart card

reader.

• Activated FPS-8 flash prommer OR FPS-10 flash prommer

• Flash update package 03.18.004 or newer for FPS-8 or FPS-10 flash prommers

• CU-4 control unit

• USB cable from PC USB Port to CU-4 control unit

• Phone model specific adapter for CU-4 control unit

• PCS-1 cable to power CU-4 from external power supply

• XCS-4 modular cable between flash prommer and CU-4

Note: CU-4 must be supplied with +12 V from an external power supply in all steps of certificate

restoring.

Steps

1. Program the phone software.

i Start ii Update the phone MCU software to the latest available version.

iii Choose the product manually from File→Open Product , and click OK.

Phoenix

If the new flash is empty and the phone cannot communicate with

and login. Make sure the connection has been managed correctly for FPS-8 or FPS-10.

Phoenix

, reflash the phone.

Wait for the phone type designator (e.g. “RM-1” ) to be displayed in the status bar.

iv Go to Flashing→SW Update and wait until

picture.

Phoenix

reads the product data as shown in the following

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Product is automatically set according to the phone support module which was opened manually,

but the flash files cannot be found because the correct data cannot be read from the phone automatically.

Code must be chosen manually, it determines the correct flash files to be used. Please choose the

correct product code (can be seen in the phone type label) from the dropdown list.

Flash Type must be set to Phone as Manufactured.

v To continue, click Start.

Progress bars and messages on the screen show actions during phone programming, please wait.

Programming is completed when The product type designator and MCU SW version are displayed in the status bar.

vi Close the

2. Create a For this procedure, you must supply +12 V to CU-4 from an external power supply. i To connect the phone with ii Choose Tools→Certificate Restore .

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SW Update

Request

window and then choose File→Close Product .

file.

Phoenix

Flashing Completed

, choose File→Scan Product .

message is displayed.

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iii To choose a location for the request file, click Browse.

iv Name the file so that you can easily identify it, and click Open.

The name of the file and its location are shown.

v To create the vi When the file for certificate restore has been created, send it to Nokia as an e-mail attachment.

3. Restore certificate.

For this procedure, you must supply +12 V to CU-4 from an external power supply. i Save the reply file sent by Nokia to your computer. ii Start iii Choose File→Scan Product .

Phoenix

Request

service software.

file, click Start.

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iv From the Tools menu, choose Certificate Restore and select Process a response file in the

pane.

v To choose the location where response file is saved, click Browse. vi Click Open.

Action

The name of the file and the path where it is located are shown.

vii To write the file to phone, click Start.

Next actions

After a successful rewrite, you must retune the phone completely by using

Important: Perform all tunings: RF, BB, and UI.

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Phoenix

tuning functions.

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Energy management calibration

Prerequisites

Energy Management (EM) calibration is performed to calibrate the setting (gain and offset) of AD converters in several channels (that is, battery voltage, BSI, battery current) to get an accurate AD conversion result.

Hardware setup:

• An external power supply is needed.

• Supply 12V DC from an external power supply to CU-4 to power up the phone.

• The phone must be connected to a CU-4 control unit with a product-specific flash adapter.

Steps

1. Place the phone to the docking station adapter (CU-4 is connected to the adapter).

2. Start

3. Choose File→ Scan Product.

4. Choose Tuning→Energy Management Calibration.

5. To show the current values in the phone memory, click Read, and check that communication between

6. Check that the CU-4 used check box is checked.

7. Select the item(s) to be calibrated.

8. Click Calibrate.

Phoenix

the phone and CU-4 works.

Note: ADC calibration has to be performed before other item(s). However, if all calibrations are

selected at the same time, there is no need to perform the ADC calibration first.

The calibration of the selected item(s) is carried out automatically. The candidates for the new calibration values are shown in the

calibration values seem to be acceptable (please refer to the following "Calibration value limits" table), click Write to store the new calibration values to the phone permanent memory.

service software.

Calculated values

column. If the new

Table 6 Calibration value limits

Parameter Min. Max.

ADC Offset -20 20 ADC Gain 12000 14000 BSI Gain 1100 1300 VBAT Offset 2400 2650 VBAT Gain 19000 23000 VCHAR Gain N/A N/A IBAT (ICal) Gain 7750 12250

9. Click Read, and confirm that the new calibration values are stored in the phone memory correctly. If the

values are not stored to the phone memory, click Write and/or repeat the procedure again.

10. To end the procedure, close the

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Energy Management Calibration

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Nokia Customer Care

4 — RF troubleshooting

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RF troubleshooting

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RM-303 RF troubleshooting

Table of Contents

General RF troubleshooting ..................................................................................................................................4–5

Introduction to RF troubleshooting ................................................................................................................4–5

RF key components ...........................................................................................................................................4–6

Auto tuning for RF ..................................................................................................................................................4–6

General voltage checking ......................................................................................................................................4–7

Selftest troubleshooting........................................................................................................................................4–8

RF selftests ........................................................................................................................................................4–8

Fatal selftests troubleshooting..................................................................................................................... 4–10

Receiver troubleshooting ................................................................................................................................... 4–14

Introduction to receiver (RX) troubleshooting............................................................................................ 4–14

GSM RX chain activation for manual measurements/GSM RSSI measurement ........................................ 4–14

Transmitter troubleshooting ............................................................................................................................. 4–15

General instructions for transmitter (TX) troubleshooting........................................................................ 4–15

GSM transmitter troubleshooting................................................................................................................. 4–15

Bluetooth and FM radio troubleshooting ......................................................................................................... 4–18

Bluetooth troubleshooting ........................................................................................................................... 4–18

FM radio troubleshooting.............................................................................................................................. 4–19

List of Figures

Figure 13 RF key components ...............................................................................................................................4–6

Figure 14 Auto tuning concept with CMU200......................................................................................................4–6

Figure 15 General voltage checking test points (main board, both sides) ......................................................4–8

Figure 16 Testpoints used after fatal self tests................................................................................................ 4–10

Figure 17 Settings: Time 1ns/d + 0.1Vpp/d ...................................................................................................... 4–11

Figure 18 Settings: Time 1ns/d + 0.3Vpp/d ...................................................................................................... 4–12

Figure 19 Frequency ~ 100kHz........................................................................................................................... 4–13

Figure 20 Typical readings ................................................................................................................................. 4–17

Figure 21 Troubleshooting diagram: Bluetooth .............................................................................................. 4–18

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General RF troubleshooting

Introduction to RF troubleshooting

Troubleshooting process

RF troubleshooting is performed in this order: 1 Autotuning 2 General power checking 3 Selftests 4 RX and TX troubleshootings

Most RF semiconductors are static discharge sensitive

ESD protection must be applied during repair (ground straps and ESD soldering irons).

Pre-baking

These parts are moisture sensitive and must be pre-baked prior to soldering:

• RFIC N1001

• Front End Module (FEM) N1002

Discrete components

In addition to the two key-components, there are few number of discrete components (capacitors and inductors) for which troubleshooting is done mainly by

Capacitors: check for short circuits.

Note: In-circuit measurements should be evaluated carefully

visual inspection

Measuring equipment

All measurements should be done using:

• An oscilloscope for low frequency and DC measurements. Recommended probe: 10:1, 10Mohm//8pF.

• A radio communication tester including RF generator and spectrum analyser, for example Rohde & Schwarz

CMU200. (Alternatively a spectrum analyser and an RF generator can be used. Some tests in this guide are not possible to perform if this solution is chosen).

Note: All measurements with an RF coupler should be performed in an RF-shielded environment

because nearby base stations can disturb sensitive receiver measurements. If there is no possibility to use RF shielded environment, testing at frequencies of nearby base stations should be avoided.

Level of repair

The scope of this guideline is to enable repairs at key-component level. Please refer to the troubleshooting instructions for further information.

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RF key components

RM-303

RF troubleshooting

Figure 13 RF key components

Auto tuning for RF

This phone can be tuned automatically. Autotune is designed to align the phone's RF part easier and faster. It performs calibrations, tunings and

measurements of RX and TX. The results are displayed and logged in a result file, if initiated.

Hardware set up

Hardware requirements for auto tuning:

• PC (Windows 2000/XP) with GPIB card

• Power supply

• Product specific module jig

• Cables: XRF-1 (RF cable), USB cable, GBIP cable and DAU-9S

• Signal analyser (TX), signal generator (RX) and RF-splitter or one device including all.

Figure 14 Auto tuning concept with CMU200

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RM-303 RF troubleshooting

Phoenix preparations

Install the phone specific data package, for example specific settings..

RM-303_dp_1.78_sw_sh3.26.exe

. This defines phone

Auto tuning procedure

1 Make sure the phone (in the jig) is connected to the equipment. Else, some menus will not be shown in

Phoenix. 2 To go to autotune, select 3 Start autotuning, clicking the

Tuning (Alt-U)

Tune

button.

Auto-Tune (Alt-A)

from the menu.

General voltage checking

Steps

1. Set up the main board in the module jig. The phone should be in local mode.

2. Check the following:

# Signal name Test point Voltage (all bands)

1 Vbat at N1002 (FEM) J2903 3.0-4.7 V 2 Vbat at N1001 (Transceiver) E2905 3.0-4.7 V 3 VCCXO supply E2909 2.4-2.6 V

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RF troubleshooting

Figure 15 General voltage checking test points (main board, both sides)

Selftest troubleshooting

RF selftests

Prerequisites

Do a hardware initialization before you start the selftests:

Testing→GSM→RF Controls→ RX and then press Stop.

Context

Note: The RF connector should be terminated to 50 Ohms or connected to the antenna. Check this

carefully before performing the self tests.

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RM-303 RF troubleshooting

Note: The phone should be in local mode when performing Self tests

Steps

1. Check the tests shown in the figure below: Testing→ Self Tests , and press the Start button.

2. A test is either Passed or Fatal. If Fatal continue the selftest troubleshooting. If Passed continue with the

other RF troubleshootings.

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3. If Fatal, press Details to see error codes

Error codes will now show up in the right most column marked

Detailed

RM-303

RF troubleshooting

Note: The Error Code contains the two first words:

0x00

and

0xC0

Fatal selftests troubleshooting

If a self test is fatal, check the Details→Error code and follow the instructions below.

Note: If ST_CDSP_RF_BB_IF_TEST is fatal, the other self tests will also be fatal. Always start

troubleshooting ST_CDSP_RF_BB_IF_TEST.

Figure 16 Testpoints used after fatal self tests

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RM-303 RF troubleshooting

ST_CDSP_RF_BB_IF_TEST is fatal

This test is checking the communication between baseband and RF. It will show in what part the problem is located.

Error code Test Action

ST_RFBUS_WRITE_READ_FAIL (0x00, 0x40) or combination (0x00, 0xC0)

In Phoenix Testing→ GSM→ RF Controls→RX Probe: 1 E2903 SDATA (Ch1) [1] 2 E2904 ENX (Ch2) [2] 3 E2902 SCLK (Ch3) [3] The result should look like this:

All OK: replace N1001 NOK : go to BB

troubleshooting

Figure 17 Settings: Time 1ns/d + 0.1Vpp/d

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RF troubleshooting

Error code Test Action

RM-303

ST_TXFIFO_WRITE_READ_FAIL (0x00, 0x80)

In Phoenix: Testing→ GSM→ RF Controls→TX Probe: 1 E2906 TXBB_CLK (Ch1) [4] 2 E2907 TXBB_DATA (Ch2) [5] 3 E2908 STROBE (Ch3) [6] The result should look like this:

All OK: replace N1001 NOK : go to BB

troubleshooting

Figure 18 Settings: Time 1ns/d + 0.3Vpp/d

ST_CDSP_GSM_TX_POWER_TEST is fatal

This test is checking power amplifier functionality.

Error code Test Action

ST_GSM1800_TX_PWR_LOW (0x00, 0x02)

ST_GSM850_TX_PWR_LOW (0x00, 0x08)

Or combination (0x00, 0x0A) ST_TXDAC_FAIL (0x00, 0x10)

Or combination (0x00, 0x1A), (0x00, 0x12), (0x00, 0x18)

- Replace N1002

- Replace N1001

ST_CDSP_TX_PLL_PHASE_LOCK_TEST is fatal

This test is checking if phase lock loop is working.

Error code Test Action

ST_TX_PLL_FAIL (0x00, 0x08) Replace N1001

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RM-303 RF troubleshooting

ST_CDSP_RX_IQ_LOOP_BACK_TEST is fatal

This test is checking the analogue RX communication between baseband and RF.

Error code Test Action

ST_FIMRCAL_FAIL (0x00, 0x40) or combination (0x00, 0x50) and (0x00, 0x60)

ST_IQ_POWER_TOO_SMALL (0x00, 0x10)

ST_IQ_POWER_TOO_HIGH (0x00, 0x20)

In Phoenix: Testing→ GSM→ RF Controls→RX Apply -80dBm signal at 948.06771 MHz Probe during RX operation: 1 J2810 RXIP [7] 2 J2811 RXIN [8] 3 J2812 RXQP (Ch1) [9] 4 J2813 RXQN [10] 5 J2814 ADC_ref [11] Check voltage level between 0.7-0.8V The result should look like this:

Replace N1001

All OK : go to BB troubleshooting

NOK: replace N1001

Figure 19 Frequency ~ 100kHz

ST_CDSP_RF_SUPPLY_TEST is fatal

This test is checking internal voltage regulators.

Error code Test Action

ST_VREG_LDO2 (0x20, 0x00) ST_VREG_VCCXO (0x80, 0x00) Or combination (0xA0, 0x00)

Issue 1 COMPANY CONFIDENTIAL Page 4 –13

Check 1 VCCXO value at testpoint E2909 = 2 .4 – 2.6 V

[12]

2 2. VBat = 3.0 – 4.7 V

All OK: replace N1001 NOK : go to power

troubleshooting

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Receiver troubleshooting

Introduction to receiver (RX) troubleshooting

RX can be tested by making a phone call or in local mode. For the local mode testing, use Phoenix service software.

The main RX troubleshooting measurement is RSSI reading. This test measures the signal strength of the received signal. For GSM RSSI measurements, see

RSSI measurement

GSM RX chain activation for manual measurements/GSM

GSM RX chain activation for manual measurements/GSM RSSI measurement

Prerequisites

Make the following settings in Phoenix service software and in the signal generator:

Setting GSM850 GSM900 GSM1800 GSM1900

Phoenix Channel 190 37 700 661 Signal generator

to antenna connector

881.66771 MHz (67.71kHz offset) at -60dBm

942.46771 MHz (67.71kHz offset) at -60dBm

1842.86771 MHz (67.71kHz offset) at -60dBm

Steps

1. Set the phone to local mode.

2. Activate RSSI reading in Phoenix (Testing→GSM→RSSI reading )

1960.06771 MHz (67.71kHz offset) at -60dBm

Results

With the losses) +/- 5 dB.

When varying the level in the range -30 to -102 dBm the reading should then follow within +/-5 dB. Now select the measuring mode to

the signal generator level.

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Measuring mode

set to

Sum vector

Q branch

, the reading should reflect the level of the signal generator (-

and

I Branch

. In each case the reading should be 3 dB below

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Next actions

RSSI-reading AND TX troubleshooting is failing: replace N1002. TX is OK and RX is failing: replace N1001.

Transmitter troubleshooting

General instructions for transmitter (TX) troubleshooting

Please note the following before performing transmitter tests:

• TX troubleshooting requires TX operation.

• Do not transmit on frequencies that are in use!

• The transmitter can be controlled in local mode for diagnostic purposes.

• The most useful Phoenix tool for GSM transmitter testing is “RF Controls”.

• Remember that re-tuning is not a fix! Phones are tuned correctly in production

Note: Never activate the GSM transmitter without a proper antenna load. Always connect a 50 Ω

load to the RF connector (antenna, RF-measurement equipment or at least a 2 W dummy load); otherwise the power amplifier may be damaged.

GSM transmitter troubleshooting

Steps

1. Set the phone to local mode.

2. Activate RF controls in Phoenix (Testing→GSM→Rf Controls ).

Make settings as shown in the picture:

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3. Check the basic TX parameters (i.e. power, phase error, modulation and switching spectrum), using a communication analyser (for example CMU200).

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Figure 20 Typical readings

4. Change power level (RF controls) and make sure the power reading follows accordingly.

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Next actions

TX is failing and RX is OK: replace N1002 If you want to troubleshoot the other bands, change band with RF controls and set the communication

analyzer accordingly.

Bluetooth and FM radio troubleshooting

Bluetooth troubleshooting

Troubleshooting flow

Figure 21 Troubleshooting diagram: Bluetooth

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FM radio troubleshooting

Troubleshooting flow

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Nokia Customer Care

5 — System Module

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System Module

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