Nokia N900, RX51 Service Manual

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Page 1

Nokia Customer Care

Service Manual

RX-51 (Nokia N900; L3&4)

Mobile Terminal

Part No: (Issue 1)

COMPANY CONFIDENTIAL

Page 2

Amendment Record Sheet

Amendment No Date Inserted By Comments

Issue 1 09/2009 MT

RX-51

Page ii COMPANY CONFIDENTIAL Issue 1

Page 3

RX-51 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.

Issue 1 COMPANY CONFIDENTIAL Page iii

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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.

RX-51

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RX-51 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.

Issue 1 COMPANY CONFIDENTIAL Page v

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RX-51

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.

Page vi COMPANY CONFIDENTIAL Issue 1

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RX-51 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

Issue 1 COMPANY CONFIDENTIAL Page vii

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RX-51

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 Li-Ion 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.

Page viii COMPANY CONFIDENTIAL Issue 1

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RX-51 Nokia N900; L3&4 Service Manual Structure

Nokia N900; L3&4 Service Manual Structure

1 General Information 2 Service Tools and Service Concepts 3 BB Troubleshooting 4 Cellular RF troubleshooting 5 Camera Module Troubleshooting 6 System Module Glossary

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RX-51

Nokia N900; L3&4 Service Manual Structure

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Nokia Customer Care

1 — General Information

Issue 1 COMPANY CONFIDENTIAL Page 1 –1

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RX-51

General Information

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RX-51 General Information

Table of Contents

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

Product features and sales package.....................................................................................................................1–5

Mobile enhancements............................................................................................................................................1–8

Technical specifications...................................................................................................................................... 1–11

Transceiver general specifications ............................................................................................................... 1–11

Main RF characteristics for GSM850/900/1800/1900 and WCDMA 900/1700-2100/2100 phones ......... 1–11

Battery endurance.......................................................................................................................................... 1–12

Environmental conditions ............................................................................................................................. 1–13

List of Tables

Table 1 Audio..........................................................................................................................................................1–8

Table 2 Car............................................................................................................................................................ 1–10

Table 3 Data ......................................................................................................................................................... 1–10

Table 4 GPS........................................................................................................................................................... 1–10

Table 5 Messaging............................................................................................................................................... 1–10

Table 6 Power...................................................................................................................................................... 1–11

Table 7 Carrying................................................................................................................................................... 1–11

List of Figures

Figure 1 View of RX-51...........................................................................................................................................1–5

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RX-51

General Information

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RX-51 General Information

Product selection

RX-51 is a quadband EGSM handportable LinuX computer supporting EGSM850/900/1800/1900 and WCDMA 2100/1700/900.

RX-51 is a 3GPP Release 5 terminal supporting WCDMA/HSDPA and GPRS data bearers. For WCDMA 900, 1700/2100, 2100 the maximum speed is PS 384/384 kbps (DL/UL); HSPA maximum speed is 10 Mbps (DL).

For 2G and 2.5G networks, RX-51 is a Class A GPRS, multislot 32, which means a maximum speed of up to 107/64.2 kbps (DL/UL).

RX-51 has Dual Transfer Mode (DTM) support for simultaneous voice and packet data connection in GSM/EDGE networks. The device supports EDGE class A, multislot class 32, with a maximum speed of 296/177.6 kbps (DL/UL), and Bluetooth 2.1 EDR standard. Bluetooth profiles HFP; HSP, A2DP, AVRCP; FTP, OPP are supported.

RX-51 is a LinuX computer with phone functionality, a large 3.5’’ WVGA (800 x 480 pixels) display, landscape slider and Qwerty keyboard. The browser is a highly advanced Internet browser based on Mozilla technology, also capable of viewing operator domain XHTML Mobile Profile.

RX-51 has two cameras. The main camera is a 5 Mpix autofocus camera with Carl Zeiss optics and flash. The secondary VGA camera is for video calls.

RX-51 supports messaging with SMS, IM, and VoIP. The device also supports VoIP video calling with an integrated camera up to 640 x 480 pixels (VGA), up to 30 fps.

RX-51 uses LinuX operating system, providing a good platform for compelling 3rd party applications.

Figure 1 View of RX-51

Product features and sales package

Imaging

Main camera:

•

Sensor: CMOS, 5 megapixel

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•

Carl Zeiss Optics: Tessar™ lens

•

F number/Aperture: F2.8

•

Focal length: 5.2 mm

31.8 mm (35 mm equiv.)

•

Focus range: 10 cm ~ infinity

•

Macro focus distance: 10-50 cm

Video:

•

Video resolution: up to WVGA at 25 fps

•

Audio recording: AAC

•

Video clip length: memory limit

•

Video file format: .mp4. H.264 (for lower fps)

•

White balance: automatic, sunny, cloudy, incandescent, fluorescent

•

Scene: auto

•

Zoom: digital 3X

Photo:

•

Still image resolutions: up to 5 megapixel: 2592 x 1944

•

Still image file format: JPEG/EXIF

•

Auto focus

•

Auto exposure: center weighted AE

•

Image orientation: automatic

•

Exposure compensation: +2 ~ -2EV at 0.5 step

•

White balance: automatic, sunny, cloudy, incandescent, fluorescent

•

Scene: auto, sports, portrait, close-up, landscape, night, user defined

•

Colour tone: normal, sepia, B&W, vivid, negative

•

Zoom (digital): up to 3X

Other camera features:

•

LED flash and recording indicator

•

Front camera, VGA (640 x 480) sensor

RX-51

General Information

Edit

•

On device Photo editor

View

•

Large 3,5" VGA (800 x 480 pixels) display

•

Slideshow from Photos

•

Share effortlessly from Photos or after capture via e-mail, Bluetooth or via Internet Services (Flikr or OVI)

•

Direct connection to TV via cable

•

VoIP video call

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RX-51 General Information

Store

•

Photoshop Album 3.0 Starter Edition (PC)

•

Nokia Lifeblog (mobile & PC)

Music

•

Media player:

•

Music playback file formats: MP3/WMA/AAC/M4A/WAV

•

Audio streaming, UPnP music streaming

•

Dedicated music keys

•

Stereo FM radio (87.5-108MHz)

•

Stereo headset WH-205

Media

•

Browsing based on Mozilla Technology with Full Flash 9.4 support

•

Supported mark-up languages HTML, XHTML, XML / supported protocols HTTP

•

Full web browser support (HTML)

•

Visual Radio™ support

•

Media Player:

•

Video streaming: h.264, mepg4, h.263, wmv in .asf, .avi, .wmv, .3gp, .mov and .mp4 containers

•

Video playback file formats: .mp4, .avi, .wmv; codecs: H.264, MPEG-4, Xvid

Productivity

Messaging:

•

E-mail (SMTP, IMAP4, POP3), SMS

Office applications:

•

Viewing of email attachments – .pdf

PIM:

•

Contacts, calendar, to-do, notes, calculator, clock

Synchronization:

•

Support for MS outlook and smartphone synchronization of contacts, calendar and notes

•

Data: Calendar, Contacts, To-do, Notes, E-mail

•

PC Applications: PC Suite

Call management:

•

Call logs, call waiting, call hold, call divert

•

VoIP video calling up to 640 x 480 pixels (VGA), up to 30 fps

Connectivity

•

WLAN - IEEE802.11 b/g with UPnP support

•

Micro USB type B interface with USB 2.0 full speed

•

3.5 mm stereo headphone plug and TV out support (PAL/NTSC)

•

Bluetooth wireless technology 2.1 with A2DP stereo audio

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General Information

Add-on software framework

•

Maemo 5, LinuX OS

•

Seamless Software Updater (SSU) - Maemo update

Additional technical specifications

•

Vibrating alert

•

3GPP Rel 6 compliant

•

Speech codecs supported in WCDMA: AMR

•

Speech codecs supported in GSM: NB_ AMR/EFR/FR/HR; ILBL; G711, GT29

•

WCDMA HSDPA 2100 MHz with simultaneous voice and packet data (PS max speed DL/UL= 10 Mbps/2 Mbps, CS max speed 2 Mbps)

•

WCDMA 900, 1700/2100, 2100, maximum speed PS 384/384 kbps (DL/UL)

•

HSPA maximum speed 10 Mbps (DL)

•

Dual Transfer Mode (DTM) support for simultaneous voice and packet data connection in GSM/EDGE networks. Simple class A, multi slot class 32, max speed DL/UL: 296/177.6 kbits/s

•

GPRS class A, multi slot class 32 (Max Sum 6), max speed DL/UL= 107/64.2 kbits/s

•

EDGE class A, multi slot class 32, maximum speed 296/177.6 kbps (DL/UL)

•

A-GPS

•

WLAN IEEE 802.11 b/g, WLAN security: WEP, WPA, WPA2

•

TCP/IP support

•

Capability to serve as data modem via USB connection

RX-51

Sales package

•

Transceiver RX-51

•

Nokia High Efficiency charger (AC-10)

•

Battery (BL-5J)

•

Nokia stereo headset (WH-205)

•

Video connectivity cable (CA-75U)

•

Micro USB connectivity cable (CA-101)

Mobile enhancements

Table 1 Audio

Enhancement Type

Music headset HS-48 Basic headset HS-41 Stereo headset WH-205 Wireless headset BH-905

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RX-51 General Information

Enhancement Type

Bluetooth headset BH-904

BH-902 BH-900 BH-804 BH-803 BH-800 BH-708 BH-703 BH-701 BH-700 BH-606 BH-602 BH-600 BH-301 BH-216 BH-215 BH-213 BH-212 BH-208 BH-202 BH-201 BH-200 BH-102 BH-101 BH-1XX

Bluetooth stereo headset BH-905

BH-903 BH-605 BH-604 BH-504 BH-501 BH-214 BH-103

Wireless stereo gateway AD-42W

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Enhancement Type

Music headphone HS-48

HS-41 WH-102

WH-205 Advanced headphone HS-62 Music speaker MD-6 Bluetooth speaker MD-7W Mini speaker MD-8

MD-4

Table 2 Car

Enhancement Type

RX-51

General Information

Mobile charger DC-10 Wireless plug-in car handsfree HF-200 Car kit CK-100 Multimedia car kit CK-300

Table 3 Data

Enhancement Type

Connectivity cable CA-101 Video connectivity cable CA-75U MicroSD card MAC 16 GB Charging connectivity cable CA-126

Table 4 GPS

Enhancement Type

Wireless GPS module LD-3W Bluetooth GPS module LD-4W

Table 5 Messaging

Enhancement Type

Digital pen SU-27W Wireless keyboard SU-8W Stylus

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RX-51 General Information

Table 6 Power

Enhancement Type

Battery 1320 mAh Li-ion BL-5J Travel charger AC-10 Mobile USB charger DC-6

Table 7 Carrying

Enhancement Type

Carrying case CP-xx

Technical specifications

Transceiver general specifications

Unit Dimensions (L x W x T)

Weight (g)

Volume (cm3)

(mm)

Transceiver with BL-5J

110.9 x 59.8 x 18 181 113 1320 mAh Li-ion battery back

Main RF characteristics for GSM850/900/1800/1900 and WCDMA 900/1700-2100/2100 phones

Parameter Unit

Cellular system GSM850, EGSM900, GSM1800/1900, WCDMA VIII

(900), WCDMA IV (1700-2100) and WCDMA I (2100)

Rx frequency band GSM850: 869 - 894 MHz

EGSM900: 925 - 960 MHz GSM1800: 1805 - 1880 MHz GSM1900: 1930 - 1990 MHz WCDMA VIII (900): 925 - 960 MHz WCDMA IV (1700-2100): 2110 - 2155 MHz WCDMA I (2100): 2110 - 2170 MHz

Tx frequency band GSM850: 824 - 849 MHz

EGSM900: 880 - 915 MHz GSM1800: 1710 - 1785 MHz GSM1900: 1850 - 1910 MHz WCDMA VIII (900): 880 - 915 MHz WCDMA IV (1700-2100): 1710 - 1755 MHz WCDMA I (2100): 1920 - 1980 MHz

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Page 22

General Information

Parameter Unit

Output power GSM850: +5 ...+32.5 dBm/3.2mW...1.8W

GSM900: +5 … +32.5 dBm/3.2mW...1.8W GSM1800: +0 … +29.5 dBm/1.0mW...0.9W GSM1900: +0 … +29.5 dBm/1.0mW...0.9W WCDMA VIII (900): -50 ... +22.5 dBm/0.01μW ...

180mW WCDMA IV (1700-2100): -50 ... +22 dBm/0.01μW ...

160mW WCDMA I (2100): -50 ... +22.5 dBm/0.01μW ...

180mW

EDGE output power EDGE850: +5 … +28.5 dBm/3.2mW … 710mW

EDGE900: +5 … +28.5 dBm/3.2mW … 710mW EDGE1800: +0 … +25.5 dBm/1.0mW … 360mW

RX-51

EDGE1900:+0 … +25.5 dBm/1.0mW … 360mW

Number of RF channels GSM850: 124

GSM900: 174 GSM1800: 374 GSM1900: 299 WCDMA VIII (900): 152 WCDMA IV (1700-2100): 210

WCDMA I (2100): 277 Channel spacing 200 kHz Number of Tx power levels GSM850: 15

GSM900: 15

GSM1800: 16

GSM1900: 16

WCDMA VIII (900): 75

WCDMA IV (1700-2100): 75

WCDMA I (2100): 75

Battery endurance

Battery Capacity (mAh) Talk time Stand-by

BL-5J 1320 Up to 9 h (GSM)

Up to 5 h (WCDMA)

Page 1 –12 COMPANY CONFIDENTIAL Issue 1

Up to 10 days GSM Up to 10 days WCDMA

Page 23

RX-51 General Information

Charging times

AC-10E

3h 30 min

Environmental conditions

Temperature conditions

Environmental condition Ambient temperature Notes

Normal operation Reduced performance

Intermittent operation

No operation or storage

Charging allowed Long term storage conditions

-10oC...+55oC

-25oC...-15oC +55oC...+70oC

-40oC...-15oC +70oC...+85 oC

<-40oC...>+85oC

-25oC...+50oC 0oC...+85oC

Specifications fulfilled Operational for shorts periods

only

Operation not guaranteed but an attempt to operate does not damage the phone.

No storage or operation: an attempt may damage the phone.

Humidity

Relative humidity range is 5...95%. The HW module is not protected against water. Condensed or splashed water might cause malfunction. Any

submerge of the phone will cause permanent damage. Long-term high humidity, with condensation, will cause permanent damage because of corrosion.

Vibration

The module should withstand the following vibrations:

•

5 - 10 Hz; +10dB / octave

•

10 - 50 Hz; 5.58 m2 / s3 (0.0558 g2/ Hz)

•

50 - 300 Hz; - 10 dB / octave

ESD strength

Conducted discharge is 8 kV (>10 discharges) and air contact 15 kV ( >10 discharges ). The standard for electrostatic discharge is IEC 61000-4-2, and this device fulfils level 4 requirements.

RoHS

This device uses RoHS compliant components and lead-free soldering process.

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RX-51

General Information

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Nokia Customer Care

2 — Service Tools and Service

Concepts

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RX-51

Service Tools and Service Concepts

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RX-51 Service Tools and Service Concepts

Table of Contents

Service tools............................................................................................................................................................2–5

Product specific tools........................................................................................................................................2–5

FS-94..............................................................................................................................................................2–5

MJ-174 ...........................................................................................................................................................2–5

SA-131 ...........................................................................................................................................................2–6

SS-206............................................................................................................................................................2–6

Using SA-131 GPS RF coupler with RX-51...................................................................................................2–6

General tools......................................................................................................................................................2–7

CU-4................................................................................................................................................................2–8

FLS-5 ..............................................................................................................................................................2–9

FPS-21............................................................................................................................................................2–9

PK-1............................................................................................................................................................. 2–10

RJ-230 ......................................................................................................................................................... 2–10

SB-6............................................................................................................................................................. 2–10

SB-7............................................................................................................................................................. 2–10

SS-100......................................................................................................................................................... 2–10

SS-46........................................................................................................................................................... 2–11

SS-62........................................................................................................................................................... 2–11

SS-93........................................................................................................................................................... 2–11

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

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

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

CA-128RS .................................................................................................................................................... 2–12

CA-31D ........................................................................................................................................................ 2–12

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

CA-58RS....................................................................................................................................................... 2–13

PCS-1........................................................................................................................................................... 2–13

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

XRS-6........................................................................................................................................................... 2–13

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

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

Flash concept with FPS-21............................................................................................................................. 2–15

CU-4 flash concept with FPS-21..................................................................................................................... 2–16

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

Bluetooth test concept with SB-6................................................................................................................. 2–18

WLAN functionality testing concept with SB-7 ........................................................................................... 2–19

Service concept for RF testing and RF/BB tuning........................................................................................ 2–20

GPS testing concept with GPS RF coupler..................................................................................................... 2–21

List of Tables

Table 8 Attenuation values ................................................................................................................................ 2–12

Table 9 Attenuation values ................................................................................................................................ 2–13

List of Figures

Figure 2 RX-51 setup for SA-131 ...........................................................................................................................2–7

Figure 3 POS flash concept ................................................................................................................................. 2–14

Figure 4 Basic flash concept with FPS-21.......................................................................................................... 2–15

Figure 5 CU-4 flash concept with FPS-21........................................................................................................... 2–16

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RX-51

Service Tools and Service Concepts

Figure 6 Module jig service concept .................................................................................................................. 2–17

Figure 7 Bluetooth test concept with SB-6....................................................................................................... 2–18

Figure 8 WLAN functionality testing concept with SB-7.................................................................................. 2–19

Figure 9 Service concept for RF testing and RF/BB tuning .............................................................................. 2–20

Figure 10 RF testing concept with RF coupler.................................................................................................. 2–21

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RX-51 Service Tools and Service Concepts

Service tools

Product specific tools

The table below gives a short overview of service devices that can be used for testing, error analysis, and repair of product RX-51. For the correct use of the service devices, and the best effort of workbench setup, please refer to various concepts.

FS-94 Flash adapter Flash adapter FS-94 is used for phone testing and flashing. FS-94 is

used with the generic flash adapter base SS-60/62 and control unit CU-4 or interface adapter SS-46.

When flashing or system testing the phone, the adapter is attached to replace the phone own battery.

All functions (as well as the calibration voltages, current and the protections for over voltages, over current and voltage polarity), are performed by CU-4.

Flash adapter FS-94 main features:

•

VBATT supply interface

•

USB / FBUS multiplexed interface to the phone

MJ-174 Module jig MJ-174 can be used for flashing as well as for RF, battery and system

testing. MJ-174 main functions:

•

CU-4 interface adapter to phone

•

FBUS interface to phone

•

UI Interface to phone

•

WCDMA and GSM RF-interface

All functions are performed in CU-4 e.g. calibration voltages and currents both all protections (over current, over voltage and voltage polarity).

MJ-174 contains following interfaces to phone:

•

VBATT interface

•

UI interface containing Display connector

•

WCDMA and GSM RF interfaces

•

Bluetooth RF interface

•

Earpiece interface

•

IHF speaker interface

•

Microphone interface

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Service Tools and Service Concepts

SA-131 RF coupler SA-131 is a generic device for GPS testing. It is used together with

SS-62.

SS-206 Domesheet

alignment jig

SS-206 is used for domesheet alignment.

Using SA-131 GPS RF coupler with RX-51

Use the following basic SA-131 setup for RX-51:

•

1575.520152 MHz

•

-110dbm

•

20db fixed RF attenuator

And use the following settings for the SA-131:

•

Base setting: 3

•

Sledge setting: 3

•

Frame setting: D4 left

•

GPS Coupler setting: D1

•

Direction: Down

•

Attenuation for GPS Coupler: 12dbm

•

RF Generator output level (e.g. -110dbm + 20dbm fixed attenuation + attenuation for GPS Coupler): -78dbm

RX-51

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RX-51 Service Tools and Service Concepts

Figure 2 RX-51 setup for SA-131

General tools

Issue 1 COMPANY CONFIDENTIAL Page 2 –7

Page 32

RX-51

Service Tools 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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RX-51 Service Tools 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-21 Flash prommer

FPS-21 sales package:

•

FPS-21 prommer

•

AC-35 power supply

•

CA-31D USB cable

FPS-21 interfaces:

Front

•

Service cable connector Provides Flashbus, USB and VBAT connections to a mobile device.

•

SmartCard socket A SmartCard is needed to allow DCT-4 generation mobile device

programming.

Rear

•

DC power input For connecting the external power supply (AC-35).

•

Two USB A type ports (USB1/USB3) Can be used, for example, for connecting external storage memory

devices or mobile devices

•

One USB B type device connector (USB2) For connecting a PC.

•

Phone connector Service cable connection for connecting Flashbus/FLA.

•

Ethernet RJ45 type socket (LAN) For connecting the FPS-21 to LAN.

Inside

•

Four SD card memory slots For internal storage memory.

Note: In order to access the SD memory card slots inside

FPS-21, the prommer needs to be opened by removing the front panel, rear panel and heatsink from the prommer body.

Issue 1 COMPANY CONFIDENTIAL Page 2 –9

Page 34

RX-51

Service Tools and Service Concepts

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. RJ-230 Soldering jig

The jig is used for soldering and as a rework jig for the system module. It is made of lead-free rework compatible material.

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.

SB-7 WLAN test box WLAN test requires defined position for the device.

SS-100 Camera removal tool The camera removal tool SS-100 is used to remove/attach a camera

module from/to the camera socket of the phone PWB.

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RX-51 Service Tools and Service Concepts

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

FPS-21.

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-93 Opening tool SS-93 is used for opening JAE connectors.

Note: The SS-93 is included in Nokia Standard Toolkit.

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-21 when DCT-4 phones are

flashed.

Cables

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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Service Tools and Service Concepts

CA-128RS RF tuning cable Product-specific adapter cable for RF tuning.

•

Table 8 Attenuation values

Band Attenuation Rx/Tx

GSM 850/900 0.2...0.3 dB GSM 1800/1900 0.3...0.4 dB WCDMA 900 0.2...0.3 dB

RX-51

WCDMA 2100 / WCDMA

0.4...0.6 dB

1700-2100

CA-31D USB cable The CA-31D USB cable is used to connect FPS-21 to a PC. It is included

in the FPS-21 sales package.

CA-35S Power cable CA-35S is a power cable for connecting, for example, the FPS-21 flash

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

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RX-51 Service Tools and Service Concepts

CA-58RS RF tuning cable Product-specific adapter cable for RF tuning.

•

Table 9 Attenuation values

Band Attenuation Rx/Tx

GSM850/GSM900/WCDMA900 0.2...0.3 dB GSM1800/GSM1900/

0.3...0.4 dB WCDMA2100/ WCDMA2100-1700

WLAN 0.4...0.6 dB

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.

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. 610 mm. Attenuation for:

•

GSM850/GSM900/WCDMA900: 0.3+-0.1 dB

•

GSM1800/GSM1900/WCDMA2100/WCDMA1700-2100: 0.5+-0.1 dB

•

WLAN: 0.6+-0.1dB

XRS-6 RF cable The RF cable is used to connect, for example, a module repair jig to

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

•

GSM850/GSM900/WCDMA900: 0.3+-0.1 dB

•

GSM1800/GSM1900/WCDMA2100/WCDMA1700-2100: 0.5+-0.1 dB

•

WLAN: 0.6+-0.1dB

Issue 1 COMPANY CONFIDENTIAL Page 2 –13

Page 38

Service concepts

POS (Point of Sale) flash concept

RX-51

Service Tools and Service Concepts

Figure 3 POS flash concept

Type Description

Product specific tools

BL-5J Battery

Other tools

FLS-5 POS flash dongle

PC with Phoenix service software

Cables

CA-101 Micro USB cable

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RX-51 Service Tools and Service Concepts

Flash concept with FPS-21

Figure 4 Basic flash concept with FPS-21

Type Description

Product specific devices

FS-94 Flash adapter

Other devices

FPS-21 Flash prommer box AC-35 Power supply PK-1 SW security device SS-46 Interface adapter

PC with Phoenix service software

Cables

CA-89DS Service cable

USB cable

CA-101 Micro USB cable

Issue 1 COMPANY CONFIDENTIAL Page 2 –15

Page 40

CU-4 flash concept with FPS-21

RX-51

Service Tools and Service Concepts

Figure 5 CU-4 flash concept with FPS-21

Type Description

Product specific devices

FS-94 Flash adapter

Other devices

CU-4 Control unit FPS-21 Flash prommer box AC-35 Power supply PK-1 SW security device SS-62 Flash adapter base SX-4 Smart card (for DCT-4 generation mobile device programming)

PC with Phoenix service software

Cables

PCS-1 Power cable CA-89DS Service cable

Standard USB cable

Page 2 –16 COMPANY CONFIDENTIAL Issue 1

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RX-51 Service Tools and Service Concepts

Type Description

USB cable

CA-101 Micro USB cable

Module jig service concept

Figure 6 Module jig service concept

Type Description

Phone specific devices

MJ-174 Module jig

Other devices

CU-4 Control unit FPS-21 Flash prommer box PK-1 SW security device SX-4 Smart card

PC with VPOS and Phoenix service software Measurement equipment

Cables

CA-89DS Service cable PCS-1 DC power cable XRS-6 RF cable

Issue 1 COMPANY CONFIDENTIAL Page 2 –17

Page 42

Type Description

USB cable GPIB control cable

Bluetooth test concept with SB-6

RX-51

Service Tools and Service Concepts

Figure 7 Bluetooth test concept with SB-6

Type Description

Product specific tools

FS-94 Flash adapter

Other tools

CU-4 Control unit PK-1 SW Security device SS-62 Generic base adapter SB-6 BT test box ACP-8 Charger for SB-6

Cables

PCS-1 Power cable DAU-9S Cable PCS-1 DC power cable

Standard USB cable

Page 2 –18 COMPANY CONFIDENTIAL Issue 1

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RX-51 Service Tools and Service Concepts

WLAN functionality testing concept with SB-7

Figure 8 WLAN functionality testing concept with SB-7

Type Description

Product specific tools

FS-94 Flash adapter

Other tools

CU-4 Control unit PCS-1 DC power cable PK-1 SW Security device SS-62 Generic base adapter

Cables

PCS-1 Power cable DAU-9S Cable

Standard USB cable

Issue 1 COMPANY CONFIDENTIAL Page 2 –19

Page 44

Service concept for RF testing and RF/BB tuning

RX-51

Service Tools and Service Concepts

Figure 9 Service concept for RF testing and RF/BB tuning

Type Description

Product specific devices

MJ-174 Module jig

Other devices

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

Measurement equipment Smart card reader PC with Phoenix service software

Cables

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

GPIB control cable

Page 2 –20 COMPANY CONFIDENTIAL Issue 1

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RX-51 Service Tools and Service Concepts

Type Description

USB cable

GPS testing concept with GPS RF coupler

Figure 10 RF testing concept with RF coupler

Type Description

Product specific devices

FS-94 Flash adapter SA-131 GPS RF coupler

Other devices

CU-4 Control unit SX-4 Smart card JXS-1 RF shield box PK-1 SW security device SS-62 Flash adapter base

Smart card reader Measurement equipment PC with Phoenix service software

Cables

Issue 1 COMPANY CONFIDENTIAL Page 2 –21

Page 46

Type Description

CA-58RS RF service cable (product-specific adapter cable) PCS-1 Power cable DAU-9S MBUS cable XRS-6 RF cable

20dB attenuator Interface cable USB cable

RX-51

Service Tools and Service Concepts

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Nokia Customer Care

3 — BB Troubleshooting

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BB Troubleshooting

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Table of Contents

Baseband main troubleshooting..........................................................................................................................3–5

General power checking troubleshooting ...........................................................................................................3–6

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

TV-out troubleshooting .........................................................................................................................................3–8

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

USB troubleshooting ........................................................................................................................................... 3–10

SIM card troubleshooting ................................................................................................................................... 3–11

Memory cards troubleshooting.......................................................................................................................... 3–12

Clocking troubleshooting ................................................................................................................................... 3–14

Lock key troubleshooting................................................................................................................................... 3–15

CIR troubleshooting ............................................................................................................................................ 3–16

Application processor troubleshooting ............................................................................................................ 3–17

Application processor memory troubleshooting............................................................................................. 3–18

Display module troubleshooting ....................................................................................................................... 3–19

General instructions for display troubleshooting....................................................................................... 3–19

Accelerometer troubleshooting.................................................................................................................... 3–21

Display troubleshooting ................................................................................................................................ 3–22

Display backlight troubleshooting ............................................................................................................... 3–23

Touch screen troubleshooting...................................................................................................................... 3–24

Illumination troubleshooting ....................................................................................................................... 3–25

Qwerty keyboard illumination troubleshooting.................................................................................... 3–25

RGB LED troubleshooting.......................................................................................................................... 3–26

Keyboard troubleshooting ................................................................................................................................. 3–27

Power key troubleshooting........................................................................................................................... 3–27

Volume keys troubleshooting....................................................................................................................... 3–27

Keyboard troubleshooting ............................................................................................................................ 3–29

Camera key troubleshooting......................................................................................................................... 3–29

Sensors troubleshooting .................................................................................................................................... 3–31

Slide detection troubleshooting................................................................................................................... 3–31

Camera cover troubleshooting ..................................................................................................................... 3–31

Battery cover detection troubleshooting .................................................................................................... 3–33

Proximity sensor troubleshooting................................................................................................................ 3–33

Audio troubleshooting........................................................................................................................................ 3–35

Audio troubleshooting test instructions...................................................................................................... 3–35

External earpiece troubleshooting............................................................................................................... 3–37

AIC34 troubleshooting................................................................................................................................... 3–37

External microphone troubleshooting......................................................................................................... 3–39

Internal earpiece troubleshooting ............................................................................................................... 3–40

Internal handsfree speaker troubleshooting.............................................................................................. 3–41

Internal microphone troubleshooting......................................................................................................... 3–42

Vibra troubleshooting.................................................................................................................................... 3–43

ALS technical description and troubleshooting ............................................................................................... 3–44

Ambient Light Sensor..................................................................................................................................... 3–44

ALS troubleshooting....................................................................................................................................... 3–44

Re-tuning ALS.................................................................................................................................................. 3–45

Bluetooth and FM radio troubleshooting ......................................................................................................... 3–46

Introduction to Bluetooth/FM radio troubleshooting................................................................................ 3–46

Bluetooth BER test.......................................................................................................................................... 3–49

Bluetooth and FM radio self tests in Phoenix.............................................................................................. 3–50

Bluetooth troubleshooting ........................................................................................................................... 3–51

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RX-51

BB Troubleshooting

FM radio troubleshooting.............................................................................................................................. 3–52

FM radio testing.............................................................................................................................................. 3–53

GPS troubleshooting ........................................................................................................................................... 3–53

GPS layout and basic test points................................................................................................................... 3–53

GPS settings for Phoenix................................................................................................................................ 3–54

Quick Test window.................................................................................................................................... 3–54

GPS control................................................................................................................................................. 3–55

GPS failure troubleshooting.......................................................................................................................... 3–57

WLAN troubleshooting........................................................................................................................................ 3–58

WLAN functional description......................................................................................................................... 3–58

WLAN settings for Phoenix............................................................................................................................ 3–58

WLAN functional tests.................................................................................................................................... 3–59

WLAN auto tuning.......................................................................................................................................... 3–62

FMTx2.1 troubleshooting.................................................................................................................................... 3–64

General ............................................................................................................................................................ 3–64

FMTx 2.1 component layout.......................................................................................................................... 3–65

Specific digital and power supply test points ............................................................................................. 3–65

FMTx2.1 specific RF test points ..................................................................................................................... 3–65

Specific clock test points ............................................................................................................................... 3–66

General visual inspection guidelines............................................................................................................ 3–66

FMTx2.1 troubleshooting............................................................................................................................... 3–67

FMTx2.1 antenna visual inspection troubleshooting ................................................................................. 3–68

FMTx2.1 audio path visual inspection troubleshooting............................................................................. 3–69

FMTx2.1 Si4713 visual inspection troubleshooting.................................................................................... 3–70

Checking validity of signals........................................................................................................................... 3–70

FMTx2.1 troubleshooting faults.................................................................................................................... 3–71

Phoenix PC tool............................................................................................................................................... 3–71

List of Tables

Table 10 Display module troubleshooting cases ............................................................................................. 3–19

Table 11 Pixel defects ......................................................................................................................................... 3–19

Table 12 Defects table......................................................................................................................................... 3–20

Table 13 Left and right audio self test truth table........................................................................................... 3–74

List of Figures

Figure 11 Ambient Light Sensor ........................................................................................................................ 3–44

Figure 12 Bluetooth/WLAN antenna ................................................................................................................. 3–47

Figure 13 BT/FM component layout .................................................................................................................. 3–49

Figure 14 Bluetooth and FM radio self tests in Phoenix.................................................................................. 3–50

Figure 15 GPS layout and basic test points....................................................................................................... 3–54

Figure 16 GPS Quick Test window ..................................................................................................................... 3–55

Figure 17 GPS Control dialogue box .................................................................................................................. 3–56

Figure 18 WLAN auto tune settings................................................................................................................... 3–63

Figure 19 WLAN auto tune results..................................................................................................................... 3–64

Figure 20 FMTx 2.1 Component References and Location............................................................................... 3–65

Figure 21 FMTx panel before connection to the handset................................................................................ 3–72

Figure 22 FMTx panel after connection to the handset................................................................................... 3–72

Figure 23 FMTx panel in action .......................................................................................................................... 3–74

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RX-51 BB Troubleshooting

Baseband main troubleshooting

Troubleshooting flow

Issue 1 COMPANY CONFIDENTIAL Page 3 –5

Page 52

General power checking troubleshooting

Troubleshooting flow

RX-51

BB Troubleshooting

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RX-51 BB Troubleshooting

Dead or jammed device troubleshooting

Troubleshooting flow

Issue 1 COMPANY CONFIDENTIAL Page 3 –7

Page 54

TV-out troubleshooting

Troubleshooting flow

RX-51

BB Troubleshooting

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Page 55

RX-51 BB Troubleshooting

Charging troubleshooting

Troubleshooting flow

Issue 1 COMPANY CONFIDENTIAL Page 3 –9

Page 56

USB troubleshooting

Troubleshooting flow

RX-51

BB Troubleshooting

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RX-51 BB Troubleshooting

SIM card troubleshooting

Troubleshooting flow

Issue 1 COMPANY CONFIDENTIAL Page 3 –11

Page 58

Memory cards troubleshooting

External memory card troubleshooting

RX-51

BB Troubleshooting

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RX-51 BB Troubleshooting

Internal memory card troubleshooting

Issue 1 COMPANY CONFIDENTIAL Page 3 –13

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Clocking troubleshooting

Troubleshooting flow

RX-51

BB Troubleshooting

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RX-51 BB Troubleshooting

Lock key troubleshooting

Troubleshooting flow

Issue 1 COMPANY CONFIDENTIAL Page 3 –15

Page 62

CIR troubleshooting

Troubleshooting flow

RX-51

BB Troubleshooting

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RX-51 BB Troubleshooting

Application processor troubleshooting

Troubleshooting flow

Issue 1 COMPANY CONFIDENTIAL Page 3 –17

Page 64

Application processor memory troubleshooting

Troubleshooting flow

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BB Troubleshooting

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Display module troubleshooting

General instructions for display troubleshooting

The first step is to verify with a working display that the fault is not on the display module itself. The display module cannot be repaired.

The second step is to check that the engine is working normally. This can be done by connecting the phone to a docking station and starting Phoenix service software. With the help of Phoenix read the phone information to check that also the application engine is functioning normally (you should be able to read the APE ID).

After these checks proceed to the display troubleshooting flowcharts. Use the Display Test tool in Phoenix to find the detailed fault mode.

Pixel defects

Table 10 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.

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. Backlight is also controlled automatically by the ambient light sensor.

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 11 Pixel defects

Bright sub-pixels (sometimes called on-pixels or stuck-on) are

characterized by the appearance of bright/colored pixels in, for example, black full screen picture.

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Dark sub-pixels (sometimes called off-pixels, stuck-off, or black

pixels) are characterized by the appearance of dark pixels in white, red, green, or blue full-screen picture.

Combined sub-pixel defects are characterized by at least two sub-pixels

defects (bright or dim) being closer than 5 mm to each other.

Temporal sub-pixels (sometimes called blinking defects) exhibit

temporal variations not related to any steady-state video input. Temporal sub-pixel defects may be intermittent, exhibit a sudden change of state, or be flickering.

Table 12 Defects table

Item Bright dot (sub-

pixel) defect

1 Defect counts Not allowed 2 Combined sub-

Not allowed

pixel defect

3 Temporal sub-

Not allowed

pixel defect

Note: Blinking pixels are not allowed in normal operating temperatures and light conditions.

Dark dot (sub-

pixel) defect

Total

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Accelerometer troubleshooting

Troubleshooting flow

Issue 1 COMPANY CONFIDENTIAL Page 3 –21

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Display troubleshooting

Troubleshooting flow

RX-51

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Display backlight troubleshooting

Troubleshooting flow

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Touch screen troubleshooting

Troubleshooting flow

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Illumination troubleshooting

Qwerty keyboard illumination troubleshooting

Troubleshooting flow

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RGB LED troubleshooting

Troubleshooting flow

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BB Troubleshooting

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Keyboard troubleshooting

Power key troubleshooting

Troubleshooting flow

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Volume keys troubleshooting

Troubleshooting flow

RX-51

BB Troubleshooting

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Keyboard troubleshooting

Troubleshooting flow

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Camera key troubleshooting

Troubleshooting flow

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Sensors troubleshooting

Slide detection troubleshooting

Troubleshooting flow

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Camera cover troubleshooting

Troubleshooting flow

RX-51

BB Troubleshooting

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Battery cover detection troubleshooting

Troubleshooting flow

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Proximity sensor troubleshooting

Troubleshooting flow

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BB Troubleshooting

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Audio troubleshooting

Audio troubleshooting test instructions

Single-ended external earpiece and differential 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 2 kHz.

The input signal for each loop test can be either single-ended or differential. Exception to this is a digital microphone which needs input signal from an external sound source (laptop speaker) to playback, eg. 1 kHz sine wave from 5 cm distance.

Required equipment

The following equipment is needed for the tests:

•

Oscilloscope

•

Function generator (sine waveform)

•

Current probe (Internal handsfree DPMA output measurement)

•

Phoenix service software

•

Battery voltage 3.7V

•

Sound source (laptop speaker or B&K type 4231 calibrator)

Test procedure

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

•

External headset mic to earpiece

•

External headset mic to IHF mono

•

Internal digital microphone to headset

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.

Loop test Input

terminal

External headset mic to earpiece

HS_MIC & GND

Output

terminal

EAR 1 & GND

EAR 0 & GND

Path gain

[dB]

(fixed)

0 300 1.35 300

Input

voltage

[mVp-p]

Output DC

level [V]

Output

voltage

[mVp-p]

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Loop test Input

terminal

External headset mic to IHF mono

Internal digital micropho ne to headset

HS_MIC & GND

Acoustica l Input, 1kHz sine wave

Output

terminal

L4855 & L4856

L4857 & L4858

HS_L & GND

HS_R & GND

Path gain

[dB]

(fixed)

10 200 630

NA 94 dBSPL 70

Input

voltage

[mVp-p]

Output DC

level [V]

Output

voltage

[mVp-p]

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External earpiece troubleshooting

Troubleshooting flow

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AIC34 troubleshooting

Troubleshooting flow

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External microphone troubleshooting

Troubleshooting flow

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Internal earpiece troubleshooting

Troubleshooting flow

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Internal handsfree speaker troubleshooting

Troubleshooting flow

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Internal microphone troubleshooting

Troubleshooting flow

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Vibra troubleshooting

Troubleshooting flow

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ALS technical description and troubleshooting

Ambient Light Sensor

Figure 11 Ambient Light Sensor

Ambient Light Sensor consists of the following components:

•

Ambient Light Sensor (ALS) ALS is a digital I2C interface component, having two channels with different spectral sensitivities. When

combined, the component responds to illuminance similar as human eye.

•

Vdd Filtering capacitor C1530 Ambient Light Sensor information is used to control keypad and display brightness of the phone. Keyboard backlight is turned OFF when it is not needed. Display brightness is dimmed when environment

lighting is dark. Ambient Light Sensor is calibrated in production and can be re-tuned in service points though not

recommended unless calibration coefficient are lost for some reason

ALS troubleshooting

Context

Functionality check:

Steps

1. Connect phone to Phoenix and set the phone (e.g. on the table) so that the amount of ambient light seen

by ALS is as stable as possible.

2. Start Phoenix

3. Choose File -> Scan product

4. Choose Testing -> Display Test

5. Open the Lights tab, check Ambient Light Sensor check box, click Read, cover the sensor and click Read

again. When covered, Luminance reading should be less than after clicking Read without covering the sensor.

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6. If component doesn’t give any reading or reading doesn’t change when sensor is/is not covered, replace the part.

Note: After replacing the ALS. If calibration values of the new sensor are lost or for some other

reason, ALS re-tuning is required (see instructions later in this document). When doing the ALS calibration procedure, it is required to have a reference phone, which includes

calibrated ALS. ALS re-tuning instructions show why the reference phone is needed.

Re-tuning ALS

Steps

1. Connect reference phone to Phoenix and set the phone (e.g. on the table) so that the amount of ambient

light seen by ALS is as stable as possible.

2. Start Phoenix.

3. Choose File→Scan Product.

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4. Choose Tuning -> Ambient Light Sensor Calibration. You should see the following window:

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5. Read AD-count values for Channel 0 and Channel 1 by click Read button and write them down.

6. Repeat 1-5 for the phone to be calibrated and make sure the phone to be calibrated is located in the same place as reference phone was when luminance reading was taken.

7. Calculate co-efficient from reference phone and phone to be calibrated AD-count values by division: Coefficient = AD-count(reference phone) / AD-count(phone to be calibrated), write down the calculated coefficient values.

8. -> Iterate by changing Channel 0 and Channel 1 (reference level) values (remove cross from ‘Use default values only’). After writing some value to Channel 0 and Channel 1 (reference value), calibrate button must be pressed. Stop iterating when Co-efficient is equal to Co-efficient calculated in step 7. Note that decimal numbers should be used in the iteration in order to achieve enough precision (e.g. 200.2455)

9. After having same Co-efficient value in “Co-efficient” textbox as the calculated value, make sure that ambient light values (read using Testing → Display Test → “Luminance” textbox) are almost the same in reference phone and calibrated phone. Remember that illuminance readings for reference and calibrated phones must be done in the same ambient light conditions. If illuminance values differs a lot (difference max. +- 10%), repeat whole ALS re-tuning procedure.

10. To end the calibration, click Close.

Bluetooth and FM radio troubleshooting

Introduction to Bluetooth/FM radio troubleshooting

Bluetooth/WLAN antenna

The BT RF signal is routed from BTFMRDS2.2 through the WLAN module to the shared WLAN/BT antenna in the phone's B-cover. Check the antenna pin contacts with Bluetooth/WLAN antenna.

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Figure 12 Bluetooth/WLAN antenna

Introduction to Bluetooth/FM radio troubleshooting

The Bluetooth and FM radio are combined in the same ASIC, so both features are checked when troubleshooting.

The following problems can occur with the Bluetooth and FM radio hardware:

Symptom Problem Repair solution

Unable to switch on Bluetooth on phone user interface

Able to send data file to another Bluetooth device, but unable to hear audio through functional Bluetooth headset

Able to switch on Bluetooth on phone user interface, but unable to detect other Bluetooth devices

Able to turn on FM radio and Bluetooth on phone user interface, but unable to detect local FM radio stations with Nokia headset inserted

Able to perform scans to detect local FM radio stations with functional Nokia headset inserted, but unable to hear FM audio through headset

Open circuit solder joints or component failure of BTH/FM ASIC/module BB ASICs or SMD components

Open circuit solder joints or component failure of BTH/FM ASIC/module BB ASICs

Open circuit solder joints or antenna pins not making contact with Bluetooth/WLAN antenna

Open circuit solder joints or detached component in FM antenna circuit

Check antenna pin contacts with Bluetooth/WLAN antenna

Open circuit solder joints or detached component in FM audio path between Bluetooth/ FM ASIC and headset

Replacement of Bluetooth/ FM ASIC/module

Repair or replace Bluetooth/ WLAN antenna

Repair components or replace Bluetooth/WLAN antenna module

Repair of FM audio circuit

Users may experience the following problems resulting in functional phones being returned to the repair centre:

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Symptom Problem Repair solution

RX-51

Bluetooth feature does not operate as desired with another Bluetooth device

Poor FM radio reception (unable to detect many radio stations)

Bluetooth Profile implemented in Bluetooth accessory not supported in Nokia phone

Nokia headset not being used Use Nokia headset

Use Bluetooth accessory with Bluetooth profiles supported by phone

Test coverage

The tests listed in the table below should be performed to verify whether the Bluetooth and FM receiver and transmitter are functional. The use of Self Tests are described in section

Test Test Coverage Repair solution

Blueooth Self Test: ST_LPRF_IF_TEST Bluetooth-FM ASIC UART interface

(controls Bluetooth and FM receiver and transmitter)

Bluetooth Self Test: ST_BT_WAKEUP_TEST

Bluetooth Self Test: ST_LPRF_AUDIO_LINES_TEST

Bluetooth Functional Test: BER test with BT-Box or functional test with other Bluetooth device

Bluetooth ASIC interrupt control interface

Bluetooth ASIC PCM interface Replacement of Bluetooth/FM

Bluetooth antenna circuit Repair of Bluetooth antenna

BT and FM Self Tests in Phoenix

Replacement of Bluetooth/FM ASIC (or repair of phone BB)

ASIC (or repair of phone BB)

circuit (including RF filter or WLAN switch if fitted)

FM Radio Self Test: ST_RADIO_TEST FM Radio I2C interface Replacement of Bluetooth/FM

ASIC (or repair of phone BB)

FM Radio Functional Test: Perform scan for local radio stations and check station list displayed on phone

FM Radio Functional Test: Listen to local radio station

The self tests run from Phoenix software are used for fault diagnosis. If Phoenix software is not available the functional tests with phone accessories are sufficient to verify the

functionality Bluetooth and FM radio receiver and transmitter.

FM receiver antenna circuit Repair of FM antenna circuit

(between BTHFM ASIC and headset connector)

FM receiver audio circuit Repair of FM receiver audio

circuit (between BTHFM ASIC and headset connector)

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Bluetooth/FM radio component layout and test points

Figure 13 BT/FM component layout

The Bluetooth antenna is product specific (antenna integrated into phone B cover). On phones with WLAN, the Bluetooth RF signal is routed through a WLAN front-end module and a shared Bluetooth / WLAN antenna is used. The FM RF signal is routed through a product specific FM antenna matching circuit to the phone headset connector. The FM radio audio signal is routed to the headset connector through the BB ASIC shared by the phone audio functions.

Bluetooth BER test

Prerequisites

JBT-9, or SB-6 Bluetooth test box (BT-box) is required to perform a BER test. If a BT-box not available Bluetooth functionality can be checked by transferring a file to another Bluetooth phone.

Steps

1. Connect data cable to phone.

2. Start

3. Choose File → Scan Product.

4. Choose Testing → Bluetooth LOCALS .

5. Locate the BT-box serial number (12 digits) found in the type label on the back of the JBT-9, or SB-6

6. In the Bluetooth

7. Place the BT-box near (within 10 cm) of the phone and click Start BER Test.

Phoenix

Bluetooth test box.

service software.

LOCALS

Address

line.

window, write the 12-digit serial number on the

Counterpart BT Device

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Bluetooth and FM radio self tests in Phoenix

Prerequisites

A flash adapter (or phone data cable) connected to a PC with Phoenix service software is required.

Steps

1. Place the phone in the flash adapter or connect data cable to phone.

2. Start

3. Choose File→Scan Product.

4. From the Mode drop-down menu, set mode to Local.

5. Choose Testing→Self Tests.

Phoenix

service software.

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6. In the

•

7. To run the tests, click Start.

Self Tests

ST_LPRF_IF_TEST ST_LPRF_AUDIO_LINES_TEST ST_BT_WAKEUP_TEST ST_RADIO_TEST

window check the following Bluetooth and FM radio related tests:

Figure 14 Bluetooth and FM radio self tests in

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Bluetooth troubleshooting

Troubleshooting flow

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FM radio troubleshooting

Troubleshooting flow

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FM radio testing

Steps

1. Set signal generator parameters:

•

FM modulation on

•

Frequency 100MHz

•

FM deviation 22kHz

•

Modulation frequency 1kHz

•

RF level should be varied during the test to obtain good audio signal quality

•

Connect suitable antenna to signal generator

Note: You may alternately use a known good FM radio broadcast as a test signal.

2. Attach the Nokia headset to the phone’s AV connector.

3. Use Scroll button to autotune to the radio frequency.

4. Set volume to suitable level.

5. Check audio quality with a headset.

GPS troubleshooting

GPS layout and basic test points

The GPS components are located on the top side of the PWB. Satellite signals are picked up by the GPS antenna in the B-cover. The signal is then routed through a filter before being processed by the GPS5350 receiver ASIC.

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Figure 15 GPS layout and basic test points

GPS settings for Phoenix

Quick Test window

This test will perform 3 tests in one: Self test, Oscillator Test and CW Test and will provide a Pass/Fail Response for each. The HW Self Test confirms basic communication with the GPS ASIC. The oscillator test confirms the frequency accuracy of the GPS TCXO against the Ref_Clk. The CW Test confirms end-to-end connectivity between the GPS antenna and the GPS ASIC. It also contains a receive button.

Before this test is performed a known good phone should be tested in order to calibrate the setup. The signal level of the Signal Generator should be adjusted so a reading of SNR 35 dB is achieved with the reference unit. A good starting point is to set up the signal generator to -50 dBm.

These checks are part of GPS failure troubleshooting (page 3–57).

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