Nokia 3806, RM-583 Service Manual

Nokia Customer Care

Service Manual

RM-583 (Nokia 3806; L3&4)

Mobile Terminal

Part No: (Issue 1)

COMPANY CONFIDENTIAL

Amendment Record Sheet

Amendment No Date Inserted by Comments

Issue 1 10/2009 Lancy.Yang

RM-583

Amendment Record Sheet

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RM-583 Copyright

Copyright

the prior written permission of Nokia is prohibite d. Nokia, Nokia Connecting People, X and Y are trademarks or registered trademarks of Nokia Corporation. Other

product and company names mentioned her ein may be trademarks or tradenames of their respective owners. Nokia operates a policy of continuous dev elopment. 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 r esp onsible for any loss of data or income or any special, i ncidental,

consequential or indirect damages howsoever caused. The contents of this document are provide d "as is". Except as required by applicable law, no w arranties 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 accurac y, 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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Warnings and cautions

Please refer to the phone’s user guide for instructions relating to operation, care and maintenance including important safety information. Note also the follow ing:

WARNINGS

z 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.

z THE HANDPORTABLE TELEPHONE MUST NOT BE OPERATED IN AREAS LIKELY TO CONTAIN

POTENTIALLY EXPLOSIVE ATMOSPHERES, EG PETROL STATIONS (SERVICE STATIONS), BLASTING AREAS ETC.

z 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.

CAUTIONS

z Servicing and alignment must be undertaken by qualified personnel only. z Ensure that all work is carried out at in anti–static workstation and that an anti–static wrist strap is worn. z Use only approved components as specified in the parts list. z Ensure that all components, modules screws and insulators are correctly re–fitted after servicing a nd

alignment.

z Ensure that all cables and wires are correctly repositioned.

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RM-583 For your satety

For your safety

QUALIFIED SERVICE

Only qualified personnel may install or repair mobile terminal equipment.

ACCESSORIES AND BATTERIES

Use only approved accessories and batteries. Do n ot 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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ESD protection

RM-583

ESD protection

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

Any product of which the covers are r em oved must b e ha ndl ed wit h E SD pr otectio n. The SIM card can be replaced without ESD protectio n 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 E SD. Resistors, too, can be

damaged by static electricity discharge. All ESD sensitive parts must be packed in metalliz ed 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 requirem ents about ESD protection and ESD

Protected Area, contact your local Nokia After Market Services represe ntative.

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RM-583 Care and maintenance

Care and maintenance

This product is of superior design and craftsmanship and should be treated with care. The suggestions below will help you to fulfill 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 m oisture 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 devic es, 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 bo ards. Do not drop, knock or shake the phone. R ough handling can break internal circ uit 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 r eplacement antenna. Unauthorized anten nas, modifications or

attachments could damage the phone and m ay violate regulations governing radio devices. All of the above suggestions apply equally to the pro duct, battery, charger or any accessory.

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Company policy

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

While every endeavor has been made to ensure t he accuracy of this document, some errors may exist. If any errors are found by the reader, NOKIA MOBILE PHONES Bus iness Group should be notified in writing.

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

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RM-583 Battery information

Battery information

Note that a new battery's full performance is achiev ed 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 overchargin g ma y 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 b attery d ischarge 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 that is damaged. Do not short-circuit the battery. Accidental short-circuiting can occu r when a meta llic obje ct (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 pocke t 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 b etween 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 tem peratures well below freezing.

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

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Battery information

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RM-583 Nokia 3806 Service Manual Structure

Nokia 3806 Service Manual Structure

1- General Information 2- Parts Lists and Exploded View 3- Service Software Instruction 4- Service Tools 5- Antenna Description and Troubleshooting 6- Baseband Description and Troubleshooting 7- RF Description and Troubleshooting 8- Schematics Glossary

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Nokia 3806 Service Manual Structure

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Nokia Customer Care

1- General Information

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General Information

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RM-583 General Information

 Product selection

RM-583 (Nokia 3806) mobile terminal offers a CDMA single band engine and supports following features:

Figure 1: View of RM-583

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 RM-583 PCI overview

RM-583

General Information

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 Phone features and sales package

Hardware & Mechanics

z 800MHz, CDMA2000 1xRTT z 2.2” 240*320 QVGA, 262K z Camera 1.92MP z 4-way Navigation Keys z Internal antenna z IHF speaker z Battery (860mAh, BL-4C) z FM radio z RUIM z 2.5mm stereo and mono headset jack z Micro-USB 2.0 z White Backlighting z Lanyard notch/ hole z Bluetooth 2.1 z SDCC 2.0

SW

z Brew 3.1 z Voice mail z Multimedia (music/video/media player) z Download/DRM z Keypad lock via software z WAP browser z Long SMS, MMS, Instant Messaging and vCard z Alarm Clock; Calculator; Calendar; Timer; World Clock; Translator Application z OTAPA/OTASP supported

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z Airplane Mode supported z OMSI Interface supported z Support GIF,JPG,PNG image formats and BMP image formats z 72 polyphonic chords, MIDI, AAC, AAC+, EAAC+, MP3 supported

Sales package contents

z Transceiver: RM-583 z Standard Battery (860 mAh Li-on): BL-4C z Charger: AC-6 z User Guide

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General Information

 Accessories

Supported accessories

Type Name

DC-6 Car Charger

AC-6 Travel Charger

HF200 Car Kits

HS-47 Stereo Headset

WH-200 Mono Headset

BH214 Stereo Bluetooth

BH104 Mono Bluetooth

HF310 BT speakerphone

CA-101 Micro USB Cable

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RM-583 General Information

 Technical Specifications

General specifications

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

Transceiver with

110*45.4*12.5 83.5 54

BL-4C;860 mAh Li-Ion

battery pack

Battery endurance

Battery NMP Talk Time NMP standby Time

BL-4C 860 mAh Li-ion 5hours China 2 to 8.3 days

SEAP/MEA/LTA 4 to 8.3 days

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Nokia Customer Care

2- Parts Lists and Exploded View

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Parts lists and Exploded View

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Parts lists and Exploded View

 Phone exploded view

 Spare parts overview

Spare parts list

Refer to the latest Service Bulletins (spare parts, SWAP units and service tools) on the Nokia Onl ine website for RM-583 (Nokia 3806).

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Parts lists and Exploded View

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Nokia Customer Care

3- Service Software Instructions

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Service Software Instruction

 Software summary

In order to understand the requests of operating device and driver for the software, the user should read this chapter carefully before using Nokia 3806 AMS tool.

Hardware, operating system and environment request

Operating system: Windows XP, Windows Vista

PC Minimum Requirement

Processor 1000MHz

RAM 256MB

Required Disk space 500MB

Interface ports USB

Table.1 Lowest request for Hardware configuration

Software utilization

Insert dongle

AMS has two function modes: Bload mo de and Gene ral mode. When in Bload mode, the handset must be working in Bload mode. When in general m od e, the handset must be working in power up mode.

Bload mode only has one type: Download. General mode includes seven types: Download, PRI Operation, Display Capture, Label Printing, RF

Backup, RF Calibration and Write NV.

Installation

Follow the steps below to install Nokia 3806 AMS tool successfully:

1. First, install Phone driver and Dongle driver separately.

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2. Second, install AMS software directly.

3. Third, install Calibration Tool Run Time, which supports RF calibration.

Steps for installing phone driver

1. Double click the NOKIA 3806 USB DRIVER Ver1.1.msi.

2. Click “Next” to continue with the following steps.

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3. Click “Install” to continue with the following steps.

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4. Click “Finish” button to complete the installation.

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Steps for installing dongle driver

Note: If you don’t have dongle, you must have User ID and password, otherwise you can’t use AMS

tool.

1. Double click Sentinel System Driver Installer 7.5.0.exe.

2. Click “Next” to continue with the following steps.

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3. Select “I accept the license ag reeme nt ”, then click “Next” but ton.

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4. Select “Complete” setup type then click “Next” button.

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5. Click “Install” to continue with the following steps.

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6. Click “Finish” button to complete the installation.

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Steps for installing calibration tool run time

1. Double click setup.exe.

2. Click “Next” to continue with the following steps.

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Service Software Instruction

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3. Select “I accept the License Agreement(s)” and “Next ”.

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4. Click “Next ”.

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5. Waiting for installati on.

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6. Click “Finish” button to complete the installation.

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Service Software Instruction

 Use of AMS

Bload mode

Download

First install the SW package in the local PC to support the download. This package contains all the BIN files requested by the phone, which are also supported on the general mode.

Follow the steps below to enter the download mod e:

1. Resume power supply after the mobile phone is powered off.

2. Press “Down key” for about 5 seconds till USB cable is connected between the PC and the phone.

Steps for installing package

1. Double-click the package you want to install. It disp lays as below.

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Service Software Instruction

2. Click “Next >”.

3. Click “Install” to start the installation.

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Service Software Instruction

4. Installing.

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5. Wait until the installation is finished.

The “Download” tab will show all available software versions for update according to the CPC code input by you or by the combo box.

1. Click the “Download” tab.

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Service Software Instruction

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2. Input CPC cod e or select CPC code from combo box, click “Search SW Version” button.

Note: If the warning dialog pops up, refer to below instructions:

1. You have input an incorrect CPC code.

2. Yo u have not installed the appropriate package.

3. Select the exa ct SW Version you need.

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4. Click “Start” to start download.

5. Wait till the downl oad is 100% completed.

General mode

General Mode provides seven functions, they are “Download”, “Display Capture”, “Label Printing”, “Write NV “, “RF Backup”, “PRI Operation” and “RF Calibration”.

Note: The handset must be in Power Up status.

Download

“Download” function in General mode is same as that in Bload mode. Details please refer to Page 3-23.

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Service Software Instruction

PRI operation

PRI settings editor

PRI Settings Editor supports loading the file on PC to P hone, reading and writing PRI NV value.

1. Click “PRI Operation” on the left panel to enter PRI operation interface:

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2. Click “Read” button to read the PRI NV value from the Phone.

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3. Click “NAM” and choose the N V you need.

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4. Click “Search” to find the NV item by NV ID o r NV name and then “Find”.

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5. Double click PRI NV item to change PRI NV value.

Double click them to change the value

6. Click “Write” and “Save to file” to write PRI NV value to phone.

7. Click “Open” to open a PRI file on PC to write to the phone.

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Service Software Instruction

8. Repeat steps 4 to 7.

PRI compare

PRI Compare compares two PRI files and indicates the difference between them.

Note: Before the compare operation, you must read the PRI from the phone o nce.

1. Click “PRI Compare” to enter PRI compare interface.

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2. Select two PRI files on PC by “Browse…” button.

3. Click “Start”, the comparison will be shown on the list left.

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4. Click “+” to see the detailed difference of each NV it em.

5. Save the difference by “Save as” button.

Label printing

Label Printing is used to print out the product label. Read out th e data from the handset first, transfer into file and print it out.

Set up the printer

Select Start->Control panel->Printer and fax on your PC.

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Service Software Instruction

1. Click right button to set Zebra 110XiIII Plus (600dpi) printer as the default printer. Right click the icon, select Properties, choose Port sheet, select Lpt1 port

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Click “OK” button, finish the configuration.

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2. Click “Label Printing” button to enter label printing interface:

3. Click “Refresh”.

4. Read out data and transfer into printing file.

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Service Software Instruction

Note: Before printing, y ou can adjust X, Y offset for proper label printing configuration if needed, the

default coordinate of the label’s top-left corner is set as (0, 0). Only the lat est X, Y offset adjusted by you will be reserved when you open the tool next time.

5. Click “print” to start printing.

RF backup

Critical Data Backup is used to backup the data, N V, RF parameters.

1. Switch to “RF Backup”:

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2. Click “Backup”.

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3. Backup succ essfully.

RF calibration

RF calibration is a tool for automatic tuning of RF values. Check the hardware setup before the calibration.

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Service Software Instruction

1. Click “RF Calibration”.

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2.1 Log Display Log Display: Show calibration information.

2.2 Control Setting and information Text information: Show test information. Start button: Start tuning.

3. Program Setting There are two files which need to be configured before using the tool:

3.1 Sysconfig.ini

3.1.1 [COM] 9 The section is to set com port number and its baud rate. If using RS232 Cable between PC and

DUT’s UART1, see “Hardware Connection”, then: ComPort = 1 or 2; 9 Note: It is recommended to use UART1 to communicate wi th PC; if using USB cable between PC

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Service Software Instruction

and DUTUSB port, see “Hardware Connection”. ComPort = above 2 9 depend on the port number in “Device manager” of PC); Baudrate=115200 9 default setting,

3.1.2 [Call Box] 9 the section is to select the radio communication test set and set its primary address, see below: Type=2 (1:cmu200,2:hp8960) 9 Address=14

3.1.3 [PS] 9 the section is to select the power supply type and set its address and voltage if control by remote; Type=0; 9 0:no, 0: indicates the power supply is used without GPIB remote, PS, 1:E3631A, 2:HP66309,

3:HP66311, 4:Keithley2306, 5:Keithley2304 Address=5 NormalVoltage=3.7 LowVoltage=3.2 9 For Low Battery Calibraton HighVoltage=4.2 9 For High Battery Calibration

3.1.4 [cable loss] 9 The section is to set the using RF cable’s loss;

3.1.5 [T est item] Item = 1 9 The Item is always set to 1;

3.2 Sysconfig.ini 9 In the file, only “[CaliItem]” section is required to select item to calibrate; other Sections include test

parameters and test specification, which can not be changed.

3.2.1 [CaliItem]

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VBat=0 CalCell=1 CalPCS=0 GPSTest=0 9 Note: 0: indicates “Not Select”; 1: indicates “Select”.

4. Turn on device Make sure that which com port is used, and connect all ki nds of cable sh own as “H ardwa re Conn ection ”,

configure sysconfig.ini and calibrationconfig.ini according to the introduction above;

5. Start Test Click “Start” Button, pop up input dialog and i np ut d evice serial number, shown as below

After input serial number, Press “Enter” key to begin to calibrate, shown as below:

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Waiting for about 80s, till calibration pass, shown as below:

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Display capture

Display Capture supports screen capture.

1. Click “Disp lay Capture”.

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2. Click “Capture”:

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3. Save the picture to PC by “Save as” or clear the picture by “Clear”.

Write NV

“Write NV” function supports Phone NV value set.

1. Click “Write NV”:

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2. Click “Write” to write the N V value.

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3. When all NV are written, a pop-up is displayed.

4. Click “Refres h” to see the updated Phone information.

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Nokia Customer Care

4- Service Tools

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Service Tools

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Service Tools

 Introduction

This document explains relevant service softwar e, service tools and handling instructions for RM-583.

 Service configuration

Service tools

The table below gives an overview of servic e tools with M odu le jig t hat woul d be us ed in servi ce testing, tuning and error analysis.

CA-101 Data Service Cable

This cable provides a connection from the USB port of the personal computer or notebook to the micro USB connector of the phone and allows Point of Sale (POS) locations to flash the mobile terminal.

MJ-272 Module Jig

This jig allows PWB-level service and troubleshooting. It supports regulated and unregulated DC input voltag es, a headset jack for audio tests and a RUIM card reader. It also supports simultaneous RF connections to the CDMA engine.

AK05G-0650400W2 AC power adapter

This AC power adapter (with 5.50mm power cord connector) is used to provide DC power to the mobile ph one and service tools (e.g. Module Jig) from power supply for CDMA tuning (packaged with the module jig).

CA-128RS RF Service Cable

This test cable is used for RF engine testing and tuning. It snaps directly on the mobile terminal’s RF connector and converts the output to a

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surface mounting assembly connector.

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PK-86 AMS SW Protection Key

This hardware dongle connected to the USB port of the service computer, enables the use of the service software. It is not possible to use the service software without the dongle.

Service configuration

The following diagram illustrates service setup with Module Jig.

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Service Tools

 MJ-272 handling instructions

External connections & switch instructions

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Service Tools

1- Micro USB c onnect or 2- CN5 & CN7 for current meter (0~1A) 3- CN4 & CN6 for backup power supply 4- CN3 Main power supply (Vcc: 6.5V~7.5V) 5- RF connector 6- UIM slot 7- S2 switch for download and test mode (will be removed in MP stage) 8- S3 switch for power on and off 9- S1 switch for current measurement 10- S4 switch for main power and backup power supply

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MJ-272 PWB pin definition

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Handling instruction

1. Put PWB onto the module jig.

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Service Tools

2. Close the module jig up.

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3. Connectio n with PC

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Service Tools

1) RF calibration

RF Cable provides a connection from RF connector on the jig to RF connector on CMU200 or Agilent8960 and executes RF calibration function in AMS.

2) SW update / flashing

USB Cable CA-101 provides a connection from the USB p ort of the personal computer or notebook to the micro USB connector on Module jig for SW update/flashing.

3) Full Phone functionality

Press *0521# in idle mode to enter test mode > manual test to perform full phone functionality check.

 Power on sequence

AC power supply

1. S4 @right Vcc1:6.5V-7.5V,Imax=1A;

2. S1@right measure main current with current meter;

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3. S3@right power on.

DC power supply

RM-583

Service Tools

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5- Antenna Description

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Antenna Description and Troubleshooting

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RM-583

Antenna Description and Troubleshooting

 Introduction

RM-583 includes two internal antennas. On e is for cellular frequency bands and this internal ant enna assembly adopts PIFA Antenna structure for the cellular engine, the other is for Bluetooth module, a PIFA antenna too,

Visual quality requirements

Below are the minimum acceptable visual quality req uirements of the internal antenna assembly:

z Wear gloves to assemble the antenna. Don’t touch the antenna radiator with bare hands. z No visual cracks or mechanical defects. z No oil, dirt or particles attached on the parts. z Radiator must be flat without warping and aligned with the plastic housing. z The length of all pins must be identical and the pins align.

 Failures and corrective measures

The two antennas are assembled i nto B Cover as shown in Figure 1. If no internal antenna is installed, the antenna gain is degraded by more than 2 0 dB.

z If the internal antenna is missing, install antenna-a sm Module. z If the radiator is damaged, replace it with a new ante nna-asm Module.

Figure 1: B Cover Assembly

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Antenna Description and Troubleshooting

Damaged RF feed point pin

The pin (spring clip) of the antenna must be properly connected to the PWB.

z If the main antenna’s RF feed point pin does not touch the PWB, the antenna gain degrades by more than

17 dB.

z If the RF feed pin is broken or bent, replace the anten na-asm Module. z If the RF feed pin spring turns out damaged, replace the antenna-asm Module.

Figure 2: Back view of internal antennas

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RM-583

Antenna Description and Troubleshooting

 Obstructed RF feed point pad

If the RF feed point pad is obstructed, removed or covered , the antenna pin does not touch the PWB and the antenna performance degrades.

z If there is any corrosion or the pad is missing, replace th e PWB. z If a pad is obstructed or covered by something, clea n the pad. z If any component of antenna match circuit is missing, r ep lace the related component.

Figure 3: PWB layout of RF feed point and antenna match circuit for main antenna

Figure 4: PWB layout of RF feed point and antenna match circuit for Bluetooth antenna

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RM-583

Antenna Description and Troubleshooting

 RF connector failure

The RF connector fails when it does not properly connect RF input terminal to RF output terminal during SMT. If this happens the antenna gain degrades by 25 dB. Check this failure by measuring the resistance value between the input and out put of RF connector, if the value is close to zero, replace the RF connector.

Note: Do not insert RF cable to RF connector when testing the resistance value. Because the RF connector is also a switch, when RF cable is inserted, RF output is d isconnected from RF input.

z RF input terminal – connect to duplexer. z RF output terminal – connect to the antenn a pad through antenna match circuit. z RF connector terminal – connect to RF coaxial cable.

Figure 5: RF input / output terminal for main antenna

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6- Baseband Description and

Troubleshooting

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RM-583

Baseband Description and Troubleshooting

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Nokia 3806, RM-583 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Amendment Record Sheet

Copyright

Warnings and cautions

For your safety

ESD protection

Care and maintenance

Company policy

Battery information

Nokia 3806 Service Manual Structure

1- General Information

Table of Contents

 Product selection

 RM-583 PCI overview

 Phone features and sales package

 Accessories

 Technical Specifications

General specifications

Battery endurance

2- Parts Lists and Exploded View

Table of Contents

 Phone exploded view

 Spare parts overview

3- Service Software Instructions

Table of Contents

 Software summary

Hardware, operating system and environment request

Software utilization

Installation

 Use of AMS

Bload mode

General mode

4- Service Tools

Table of Contents

Service Tools

 Introduction

 Service configuration

Service configuration

 MJ-272 handling instructions

External connections & switch instructions

MJ-272 PWB pin definition

Handling instruction

 Power on sequence

AC power supply

DC power supply

5- Antenna Description

Table of Contents

 Introduction

Visual quality requirements

 Failures and corrective measures

Damaged RF feed point pin

 Obstructed RF feed point pad

 RF connector failure