Nokia 8208, RM-384 Service Manual

Nokia Customer Care

Service Manual

RM-384 (Nokia 8208)

Mobile Terminal

Part No: (Issue 1)

COMPANY CONFIDENTIAL

Amendment Record Sheet

Amendment No Date Inserted By Comments

Issue 1 09/2008 Shelly Wang Issue 2 12/2008 Shelly Wang Issue 3 02/2009 Alex Huang

RM-384

Page II Company Confidential Issue1

RM-384 Copyright

Copyright

Copyright © 2008 Nokia. All rights reserved. Reproduction, transfer, distribution or storage of part or all of the contents in this document in any form without the prior written permission of Nokia is prohibited. Nokia, Nokia Connecting People, and Nokia X and Y are trademarks or registered trademarks of Nokia Corporation. Other product and company names mentioned herein may be trademarks or tradenames of their respective owners. Nokia operates a policy of continuous development. Nokia reserves the right to make changes and improvements to any of the products described in this document without prior notice. Under no circumstances shall Nokia be responsible for any loss of data or income or any special, incidental, consequential or indirect damages howsoever caused. The contents of this document are provided "as is". Except as required by applicable law, no warranties of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose, are made in relation to the accuracy, reliability or contents of this document. Nokia reserves the right to revise this document or withdraw it at any time without prior notice. The availability of particular products may vary by region.

IMPORTANT

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

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RM-384

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.

Page IV Company Confidential Issue1

RM-384 ESD protection

ESD protection

Nokia requires that service points have sufficient ESD protection (against static electricity) when servicing the phone. Any product of which the covers are removed must be handled with ESD protection. The SIM card can be replaced without ESD protection if the product is otherwise ready for use. To replace the covers ESD protection must be applied. All electronic parts of the product are susceptible to ESD. Resistors, too, can be damaged by static electricity discharge. All ESD sensitive parts must be packed in metallized protective bags during shipping and handling outside any ESD Protected Area (EPA). Every repair action involving opening the product or handling the product components must be done under ESD protection. ESD protected spare part packages MUST NOT be opened/closed out of an ESD Protected Area. For more information and local requirements about ESD protection and ESD Protected Area, contact your local Nokia After Market Services representative.

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RM-384

Care and maintenance

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

 Keep the phone and all its parts and accessories out of the reach of small children.  Keep the phone dry. Precipitation, humidity and all types of liquids or moisture can contain minerals that will

corrode electronic circuits.

 Do not use or store the phone in dusty, dirty areas. Its moving parts can be damaged.  Do not store the phone in hot areas. High temperatures can shorten the life of electronic devices, damage

batteries, and warp or melt certain plastics.

 Do not store the phone in cold areas. When it warms up (to its normal temperature), moisture can form

inside, which may damage electronic circuit boards.

 Do not drop, knock or shake the phone. Rough handling can break internal circuit boards.  Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the phone.  Do not paint the phone. Paint can clog the moving parts and prevent proper operation.  Use only the supplied or an approved replacement antenna. Unauthorised antennas, modifications or

attachments could damage the phone and may violate regulations governing radio devices.

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

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RM-384 Company Policy

Company Policy

Our policy is of continuous development; details of all technical modifications will be included with service bulletins. While every endeavour has been made to ensure the accuracy of this document, some errors may exist. If any errors are found by the reader, NOKIA MOBILE PHONES Business Group should be notified in writing/email. Please state:

 Title of the Document + Issue Number/Date of publication  Latest Amendment Number (if applicable)  Page(s) and/or Figure(s) in error

Please send to:

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

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RM-384

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.

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RM-384 Nokia 8208 Service Manual Structure

Nokia 8208 Service Manual Structure

1- General Information ........................................................................................................................................................................................ 1-1

2- Service Tools and Service Concept ......................................................................................................................................................... 2-1

3- Baseband Troubleshooting ........................................................................................................................................................................ 3-1

4- RF Troubleshooting .......................................................................................................................................................................................... 4-1

5- System Module and User Interface ........................................................................................................................................................ 5-1

6- Glossary ......................................................................................................................................................................... ............................................. 6-1

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RM-384

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Nokia Customer Care

1- General Information

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RM-384

General Information

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RM-384 General Information

Table of Contents

Product features and sales packages ............................................................................................................................................... 1-5

Mobile Enhancement ................................................................................................................................................................................. 1-6

Technical specifications ............................................................................................................................................................................. 1-7

List of Tables

Table 1 Data cable information ........................................................................................................................................................... 1-6

Table 2 Power cable information ....................................................................................................................................................... 1-6

Table 3 Audio headset information .................................................................................................................................................. 1-6

Table 4 Car wireless information ......................................................................................................................................................... 1-6

Table 5 Transceiver specifications ...................................................................................................................................................... 1-7

Table 6 RF characteristics ......................................................................................................................................................................... 1-7

Table 7 Battery endurance ...................................................................................................................................................................... 1-7

Table 8 Charging time ................................................................................................................................................................................ 1-7

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RM-384

General Information

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RM-384 General Information

Product features and sales packages

Hardware features

 800MHz CDMA, 1900 MHz CDMA/PCS, EVDO Rev A, Bluetooth  Internal RF antenna  Internal vibrating alert  Internal hands free/music stereo speaker  Micro USB charger

Display and keys

 Main display in 240 x 320 pixel with 16.7m colors  Keys: 4-way navigation key, Menu/OK key, send key, browser key, camera/video key, clear key, end key,

external music keys( play, rewind and fast forward in slide), power key, soft keys, volumes keys, voice service key

Connectivity

 Micro USB 2.0  Bluetooth

Software features

 UI style: custom UI with Douglas 8 reference.  Browser: HTTP 1.1/WAP2.0  BREW version: 3.1.5  Voice Memo recording supported time at least 180 seconds  25 pre-loaded ring tones ; 72 polyphonic MIDI chords; AAC, AAC+, MP3, QCELP, EAAC+ and EVRC ringtones shall

be supported

 Calendar, alarm clock, calculator, key guard, notes/memo pad, countdown timer, stopwatch, timers, to-do

list, voice memo recording, world clock, Chinese-English-Chinese dictionary for China Unicom, Power off alarm, FM radio recording

 5 pre-loaded themes and 10 pre-loaded wallpapers  Downloadable ringtones and wallpapers via BREW  SDK for 3

rd

party application development for BREW

Memory

 Internal memory (150MB)  External memory: Micro-SD/ T-flash (up to 32GB)

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Sales package

 Handset  Standard battery  Charger (for Chinese customers, AC-6C with CA-101 is required)  Product literature  User guide  Quick start guide  Carrier specific literature and CD (if specified)  Stereo headset (optional)  CA-101 (optional)  Tray (if required)  Bluetooth headset and charger (optional)

Mobile Enhancement

Data

Enhancement Typ e

Connectivity Cable CA-101

Table 1 Data cable information

Power

Battery 860 mAh BL-4C Travel charger AC-6 Charger adapter CA-101 Vehicle Power Charger DC-6

Enhancement Typ e

Table 2 Power cable information

Audio

Car

Enhancement Typ e

Mono Headset HS-41 Stereo Headset HS-48, HS-45/AD-57

Table 3 Audio headset information

Enhancement Typ e

Wireless plug-in car hands free

Table 4 Car wireless information

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General Information

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RM-384

z

General Information

Technical specifications

Transceiver general specifications

Unit Dimensions (L x W x T) (mm) Weight (g) Volume (cm3)

Transceiver with BL-4C 860 mAh li-ion battery

101 x 45.2 x 15.9 126.3 64.656

Table 5 Transceiver specifications

Main RF characteristics

Parameter Unit

Cellular system Cdm2000 CELL 800, PCS1900 Rx frequency band CELL 800: 869 - 894MHz PCS1900: 1930 - 1990 MH Tx frequency band CELL800: 824 - 849MH PCS1900: 1850 - 1910 MHz Output power CELL 800: Class 3 PCS 1900 : Class 2 Number of RF channels CELL 800 : 833 PCS1900: 1200 Channel spacing CELL 800 : 30 kHz PCS1900: 50kHz

Table 6 RF characteristics

Battery endurance

Battery Talk time Stand-by

BL-4C 860 mAh li-ion battery 4hr

(with standard battery)

Table 7 Battery endurance

Note: Operation times may vary depending on radio access technology used, operator network

configuration and usage.

Charging time

AC-6

3.5 hours (from empty to full battery) Table 8 Charging time

264hours (with standard battery)

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General Information

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Nokia Customer Care

2- Service Tools and Service

Concept

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Service Tools and Service Concept

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RM-384 Service Tools and Service Concepts

Table of Contents

Service tools ...................................................................................................................................................................................................... 2-4

General tools .................................................................................................................................................................................................... 2-6

Service concepts ............................................................................................................................................................................................ 2-8

List of Tables

Table 9 MJ-195 attenuation table ...................................................................................................................................................... 2-5

Table 10 SS-175 attenuation table .................................................................................................................................................... 2-5

Table 11 General tools table................................................................................................................................................................... 2-6

Table 12 Service tools table .................................................................................................................................................................... 2-7

Table 13 POW flash equipments ......................................................................................................................................................... 2-8

Table 14 Flash with module jig equipments .............................................................................................................................. 2-9

Table 15 Covers-off BB/RF Troubleshooting equipments ............................................................................................... 2-10

Table 16 Automated Tuning and Alignment equipments ............................................................................................. 2-11

List of Figures

Figure 1 POS flash concept...................................................................................................................................................................... 2-8

Figure 2 Flash concept with Module Jig ......................................................................................................................................... 2-9

Figure 3 Cover-off BB/RF Troubleshooting using Module Jig ........................................................................................ 2-10

Figure 4 Automated Tuning and Alignment concept ....................................................................................................... 2-11

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RM-384

Service Tools and Service Concept

Service tools

Product Specific tools

The table below gives a short overview of service tools that can be used for testing, error analysis and repair of product RM-384.

MJ-195 Module Jig The module jig offers engine module component level repair and analysis. Features:

 connection interfaces for CDMA antenna  galvanic connection to engine module test pads  lid interconnection with test points for measurements  connection to Displays, earpiece, headset and speakers

Band (mid.

ch.)

CDMA 800 TX CDMA 800 RX CDMA 1900 TX 600

CDMA 1900 RX 600 GPS Bluetooth 39

Channel Frequency

/MHz

384 384

836.52

881.52

1880 0.8+/- 0.05 1960 0.8+/- 0.05

1575.42 0.7+/- 0.05 2441 1+/- 0.05

Attenuation

Loss / dB

0.6+/- 0.05

MJ set-up instruction:

1. Ready for LCM module+UI board, jig FPC, main board and MJ-195

, , ,

2. Connect LCM module+UI board and main board using jig FPC

(front)

(back)

3. Unfold the MJ-195 and put 2 on the unfolded MJ-195

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RM-384 Service Tools and Service Concepts

4. Close MJ-195. Then please follow “service concept” to start further testing.

Table 9 MJ-195 attenuation table

SS-175 SS-175 is a jig to align the adhesive dome sheet assembly onto the PWB in the proper location during dome sheet replacement. Domesheet UG:

Dome sheet exchange instruction (a) Use tweezers to peel the dome shee t.

Dome sheet Alignment Jig

Dome sheet exchange instruction (b) Remove the dome sheet .

Note: After using the heatgun, the dome sheet needs to be replaced.

Dome sheet exchange instruction (c) Place a new dome sheet to dome sheet jig.

Dome sheet exchange instruction (e) Press firmly on the PWB to ensure correct bonding of dome sheet.

Table 10 SS-175 attenuation table

Dome sheet exchange instruction (d) Align the guide pins and place the PWB on the jig

Dome sheet exchange instruction (f) Inspect to ensure proper adhesion of dome sheet to PWB.

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RM-384

Service Tools and Service Concept

General tools

The table below gives a short overview of service tools that can be used for testing error analysis and repair of product RM-384.

RJ-230 Soldering RJ-230 is a jig to support component level exchange with soldering machines for the engine module.

PK-83 PK-83 is a hardware protection key with a USB interface to enable the use of the service software when connected to the USB port of the PC or Notebook. It is not possible to use the service software without PK-83

Table 11 General tools table

AMS SW Protection Key (USB)

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RM-384 Service Tools and Service Concepts

Cables

The table below gives a short overview of service tools that can be used for testing, error analysis and repair of product RM-384.

CA-101 Micro USB cable The CA-101 is a USB-to-micro USB data cable that allows connections between the PC and the phone.

PCS-1 Power Service 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.

CA-128RS RF Test Cable RF Test Cable for use with a Module Jig. CA-128RS RF cable allow RF function tests and RF tuning in CDMA Cell and PCS bands. Features include:

 most accurate RF connection to phone module under test  low attenuation and small “ripple” over the width of each band

Note: The RF Test Cable must be used for RF tuning.

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

Table 12 Service tools table

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Service concepts

POS (Point of Sale) flash concept

RM-384

Service Tools and Service Concept

Figure 1 POS flash concept

Type Description

Product specific tools

BL-4C Battery

Other tools

Nokia Care Suite PC with Nokia Care Suite service software

Cables

CA-101 Micro USB cable

Table 13 POW flash equipments

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RM-384 Service Tools and Service Concepts

Flash concept with Module Jig

Figure 2 Flash concept with Module Jig

Type Description

Product specific tools

MJ-195 Module Jig

Other tools

Nokia Care Suite PC with Nokia Care Suite service software Cables CA-101 Micro USB cable PCS-1 Power Service Cable

Table 14 Flash with module jig equipments

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Covers-off BB/RF Troubleshooting using Module Jig

RM-384

Service Tools and Service Concept

CA-128RS

Figure 3 Cover-off BB/RF Troubleshooting using Module Jig

Type Description

Product specific tools

MJ-195 Module Jig

Other tools

PK-83 AMS SW Protection Key (USB) Nokia Care Suite PC with Nokia Care Suite service software (L3 version) R&S CMU200 with B89/PK800

module; Agilent8960

Oscilloscope Multi-meter Probes used with Oscilloscope and Multi-meter Cables CA-101 Micro USB cable PCS-1 Power Service Cable CA-128RS RF Test Cable GPIB Cable

Table 15

CDMA CALL BOX

Covers-off BB/RF Troubleshooting equipments

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RM-384 Service Tools and Service Concepts

Automated Tuning and Alignment concept

CA-128RS

Figure 4 Automated Tuning and Alignment concept

Type Description

Product specific tools

MJ-195 Module Jig

Other tools

PK-83 AMS SW Protection Key (USB) Nokia Care Suite PC with Nokia Care Suite service software (L3 version) R&S CMU200 with B89/PK800

module; Agilent8960

Cables CA-101 Micro USB cable PCS-1 Power Service Cable CA-128RS RF Test Cable

Table 16 Automated Tuning and Alignment equipments

CDMA CALL BOX

GPIB Cable

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Service Tools and Service Concept

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Nokia Customer Care

3- Baseband

Troubleshooting

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RM-384

Service Tools and Service Concept

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RM-384 Baseband Troubleshooting

Table of Contents

Troubleshooting overview ..................................................................................................................................................................... 3-5

Power on Faults troubleshooting ................................................................................................................................................... 3-12

Display Faults troubleshooting ......................................................................................................................................................... 3-15

Keypad Backlight Faults troubleshooting .................................................................................................................................. 3-17

Keypad Faults troubleshooting ......................................................................................................................................................... 3-19

Hall Sensor Faults troubleshooting ................................................................................................................................................. 3-21

Touch Sensor Faults troubleshooting ........................................................................................................................................... 3-23

Camera Faults troubleshooting ........................................................................................................................................................ 3-25

Flash LED Faults troubleshooting..................................................................................................................................................... 3-28

Vibrator Faults troubleshooting ....................................................................................................................................................... 3-30

Charging Faults troubleshooting ..................................................................................................................................................... 3-32

Speaker Faults troubleshooting ....................................................................................................................................................... 3-35

Receiver Faults troubleshooting ....................................................................................................................................................... 3-38

Microphone Faults troubleshooting .............................................................................................................................................. 3-40

Earphone Faults troubleshooting ................................................................................................................................................... 3-42

RUIM Faults troubleshooting .............................................................................................................................................................. 3-44

FM Fault _Headset not detected troubleshooting ................................................................................................................. 3-46

FM Fault _Can not execute FM radio function troubleshooting .................................................................................... 3-47

FM Fault _Can not hear FM radio from earphone troubleshooting ............................................................................ 3-48

IR proximity troubleshooting ............................................................................................................................................................ 3-50

IR proximity troubleshooting ............................................................................................................................................................ 3-51

IR proximity troubleshooting ............................................................................................................................................................ 3-52

IR proximity troubleshooting ............................................................................................................................................................ 3-53

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RM-384

Baseband Troubleshooting

List of Figures

Figure 13 Test components Location of display faults ................................................................................................... 3-16

Figure 14 Test components Location of keypad backlight faults ........................................................................... 3-18

Figure 15 Test components Location of keypad faults .................................................................................................. 3-20

Figure 16 Test components Location of hall sensor faults .......................................................................................... 3-22

Figure 17 Test components Location of touch sensor faults ..................................................................................... 3-24

Figure 18 Test components Location of camera faults -1 ............................................................................................ 3-26

Figure 19 Test components Location of camera faults - 2 ........................................................................................... 3-27

Figure 20 Test components Location of flash LED faults ............................................................................................... 3-29

Figure 21 Test components Location of vibrator faults ................................................................................................. 3-31

Figure 22 Test components Location of charging faults -1 ........................................................................................ 3-33

Figure 23 Test components Location of charging faults -2 ........................................................................................ 3-34

Figure 24 Test components Location of speaker faults -1 ........................................................................................... 3-36

Figure 25 Test components Location of speaker faults -2 ........................................................................................... 3-37

Figure 26 Test components Location of receiver faults ................................................................................................. 3-39

Figure 27 Test components Location of microphone faults ...................................................................................... 3-41

Figure 28 Test components Location of earphone faults ............................................................................................ 3-43

Figure 29 Test components Location of RUIM faults ....................................................................................................... 3-45

Figure 30 Test components Location of FM faults ............................................................................................................ 3-49

Figure 31 Test components Location of Rec_FPC Component Placement ........................................................ 3-55

Figure 32 Test components Location of A-cover assembly ........................................................................................ 3-56

Figure 33 Test components Location of IR-2: Pad peel off .......................................................................................... 3-57

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RM-384 Baseband Troubleshooting

Troubleshooting overview

For practical reasons, troubleshooting is divided into two sections;

 Baseband troubleshooting, including camera, GPS and Bluetooth  RF troubleshooting

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General RF troubleshooting

PWB top side

MIC 1

RM-384

Baseband Troubleshooting

T flash connect

Flash LED Phone jack

CL6100 IC (Mp3 decode/encode ) IC

Combo memory

MSM6800A-3 Side key

MIC 2

Figure 5 PWB top side

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RM-384 Baseband Troubleshooting

PWB bottom side

Music key LED

OVP IC

Flash LED driver IC

LP3919RLX-B (PMIC)

Audio DAC IC

LCD Backlight driver IC

Keypad & music key LED driver IC

Music key LED

Figure 6 PWB bottom side

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UI Board side

RM-384

Baseband Troubleshooting

Figure 7 UI Board side

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RM-384 Baseband Troubleshooting

PCB placement

Figure 8 PCB placement

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PCB UI Board Placement

RM-384

Baseband Troubleshooting

Figure 9 PCB UI board placement

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RM-384 Baseband Troubleshooting

Power on sequence

Figure 10 Power on sequence

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Power on Faults troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

Test Components Location - 1

Figure 11 Test component location of power on faults

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Test Components Location - 2

RM-384

Baseband Troubleshooting

Figure 12 Test component location of power on faults

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RM-384 Baseband Troubleshooting

Display Faults troubleshooting

Troubleshooting flow

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Test components Location

RM-384

Baseband Troubleshooting

Figure 13 Test component location of display faults

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RM-384 Baseband Troubleshooting

Keypad Backlight Faults troubleshooting

Troubleshooting flow

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Test components Location

RM-384

Baseband Troubleshooting

Figure 14 Test component location of keypad backlight faults

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RM-384 Baseband Troubleshooting

Keypad Faults troubleshooting

Troubleshooting flow

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Test components Location

RM-384

Baseband Troubleshooting

Figure 15 Test component location of keypad faults

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RM-384 Baseband Troubleshooting

Hall Sensor Faults troubleshooting

Troubleshooting flow

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Test components Location

RM-384

Baseband Troubleshooting

Figure 16 Test component location of hall sensor faults

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RM-384 Baseband Troubleshooting

Touch Sensor Faults troubleshooting

Troubleshooting flow

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Test components Location

RM-384

Baseband Troubleshooting

Figure 17 Test component location of touch sensor faults

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RM-384 Baseband Troubleshooting

Camera Faults troubleshooting

Troubleshooting flow

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Test components Location 1

RM-384

Baseband Troubleshooting

Figure 18 Test component location of camera faults

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RM-384 Baseband Troubleshooting

Test components Location 2

Figure 19 Test component location of camera faults

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Flash LED Faults troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

Test components Location

Figure 20 Test component location of flash LED faults

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Vibrator Faults troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

Test components Location

Figure 21 Test component location of vibrator faults

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Charging Faults troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

Test components Location 1

Figure 22 Test component location of charging faults

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Test components Location 2

RM-384

Baseband Troubleshooting

Figure 23 Test component location of charging faults

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RM-384 Baseband Troubleshooting

Speaker Faults troubleshooting

Troubleshooting flow

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Test components Location 1

RM-384

Baseband Troubleshooting

Figure 24 Test component location of speaker faults

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RM-384 Baseband Troubleshooting

Test components Location 2

Figure 25 Test component location of speaker faults

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Receiver Faults troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

Test components Location

Figure 26 T e st component location of receiv er faults

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Microphone Faults troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

Test components Location

Figure 27 Test component location of microphone faults

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Earphone Faults troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

Test components Location

Figure 28 Test component location of earphone faults

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RUIM Faults troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

Test components Location

Figure 29 Test component location of RUIM faults

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FM Fault _Headset not detected troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

FM Fault _Can not execute FM radio function troubleshooting

Troubleshooting flow

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Baseband Troubleshooting

FM Fault _Can not hear FM radio from earphone troubleshooting

Troubleshooting flow

RM-384

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RM-384 Baseband Troubleshooting

Test components Location

Figure 30 Test component location of FM faults

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IR proximity troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

IR proximity troubleshooting

Troubleshooting flow

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IR proximity troubleshooting

Troubleshooting flow

RM-384

Baseband Troubleshooting

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RM-384 Baseband Troubleshooting

IR proximity troubleshooting

Troubleshooting flow

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RM-384 Baseband Troubleshooting

Test components Location- Rec_FPC Component Placement

Figure 31 Test component location of Rec_FPC Component

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Test components Location - A-cover assembly

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Baseband Troubleshooting

Figure 32 IR-1: A-cover assembly

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RM-384 Baseband Troubleshooting

Test components Location - A-cover assembly

Figure IR-2 Pad Peel off

Figure 33 IR-2: Pad peel off

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Baseband Troubleshooting

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Nokia Customer Care

4- RF Troubleshooting

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RF Troubleshooting

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RM-384 RF Troubleshooting

Table of Contents

General RF troubleshooting ................................................................................................................................................................... 4-4

Receiver troubleshooting ..................................................................................................................................................................... 4-14

GPS troubleshooting ................................................................................................................................................................................ 4-20

Bluetooth Troubleshooting ................................................................................................................................................................. 4-22

List of Tables

Table 17 RF TX voltage checking point information ........................................................................................................... 4-11

Table 18 Cell band Tx check shows the test points shown in Figure 41. ................................................................ 4-12

Table 19 PCS band Tx check shows the test points shown in Figure 41. ............................................................... 4-12

Table 20 Receiver check from RF to DVGA (Cellular band) ............................................................................................... 4-16

Table 21 Receiver check from RF to DVGA (PCS band) ........................................................................................................ 4-16

Table 22 shows the Tx DC test points shown in Figure 43 .............................................................................................. 4-16

Table 23 Cell band Rx RF troubleshooting test points Shown in Figure 43. ......................................................... 4-17

Table 24 PCS band Rx RF troubleshooting test points Shown in Figure 43. ......................................................... 4-17

Table 25 GPS RF troubleshooting test points Shown in Figure 46. ............................................................................ 4-22

Table 26 BT voltage checking test point ..................................................................................................................................... 4-25

List of Figures

Figure 34 Component Layout (Top) .................................................................................................................................................. 4-5

Figure 35 Component Layout (Bottom) ........................................................................................................................................ 4-6

Figure 36 RF TX key components ....................................................................................................................................................... 4-7

Figure 37 RF RX key components ....................................................................................................................................................... 4-7

Figure 38 Display of Nokia CDMA L3 PST Service Software ................................................................................................. 4-9

Figure 39 Steps of configuring FTM for RF troubleshooting ........................................................................................... 4-10

Figure 40 Tx DC checking test points ............................................................................................................................................. 4-11

Figure 41 Tx RF Test Points .................................................................................................................................................................. 4-12

Figure 42 Steps of configuring FTM for RF Troubleshooting .......................................................................................... 4-15

Figure 43 RF RX voltage checking test point ............................................................................................................................ 4-17

Figure 44 GPS system block diagram ........................................................................................................................................... 4-20

Figure 45 RF Toolkit setup for GPS troubleshooting ............................................................................................................ 4-20

Figure 46 RF GPS checking test point ............................................................................................................................................ 4-21

Figure 47 BT system block diagram .............................................................................................................................................. 4-23

Figure 48 Display of entering the Bluetooth test mode ................................................................................................... 4-24

Figure 49 RF GPS checking test point ............................................................................................................................................ 4-25

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RM-384

RF Troubleshooting

General RF troubleshooting

Introduction to RF troubleshooting

Most RF semiconductors are static discharge sensitive

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

Pre-baking

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

 RFIC: Qualcomm MSM6800A at U301  PA: AWT6307R at U201,AWT6308R at U204

Discrete components

In addition to the key-components, there are a number of discrete components (resistors, inductors and capacitors) for which troubleshooting is done mainly by Capacitors: check for short circuits. Resistors: check value with an ohm meter.

Note: In-circuit measurements should be evaluated carefully

visual inspection.

Measuring equipment

All measurements should be done using:

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

the Document + Issue Number/Date of publication

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

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

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

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

Level of repair

The scope of this guideline is to enable repairs at key-component level. Some key-components are not accessible, i.e. not replaceable.

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RF Troubleshooting

RF key components

BT/FM Module

GPS Antenna

RF connector for GPS

GPS Rx Saw filter

32.768KHz Crystal

19.2MHz XTA L

BT Antenna feed point

MSM6800

RFR 6500 Power Detector PCS coupler

Cell coupler

GPS Rx Saw filter

Cell Rx Saw filter

PCS Rx Saw filter

PCS Du

lexer

PCS PA M PCS Tx Saw filter Cell Tx Saw filter Cell PAM Cell Duplexer Diplexer

RF connector for Cell & PCS

RF Antenna feed point

Figure 34 Component Layout (Top)

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RF Troubleshooting

Figure 35 Component Layout (Bottom)

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RM-384 RF Troubleshooting

RF TX key components

RF RX key components

Figure 36 RF TX key components

Figure 37 RF RX key components

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Troubleshooting flow

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RF Troubleshooting

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RM-384 RF Troubleshooting

RF Call Test in Nokia CDMA L3 PST Fx.x

Context

Always start the troubleshooting procedure by running the RF Call Test in Nokia CDMA L3 PST. If a test fails, please follow the diagram below. If the phone is dead and you cannot perform the self tests, go to Dead or jammed device troubleshooting in the baseband troubleshooting section.

Setup for RF Troubleshooting

Use the following steps to configure FTM mode for RF troubleshooting.

1. Connect RF connector to a spectrum

2. Put PWB on the module jig, connect data service cable between PC and Module Jig and connect a power

supply

3. Launch Nokia CDMA L3 PST Fx.x Service Software and run RF Toolkit function

4. The RF and Testing box appears

5. Select “RF and Testing “.

6. Press “Start RF Connection”

Figure 38 Display of Nokia CDMA L3 PST Service Software

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Setup for TX Troubleshooting

Use the following steps to configure FTM for RF troubleshooting.

1. Connect RF test connector to a CMU200.

2. Connect the mobile terminal to PC via the Module Jig, and connect a power supply.

3. Open RF Toolkit in L3 program. The RF Toolkit appears.

4. Click “Start RF connection” in connection.

5. Select “FTM” in phone mode setting and click “set mode” .

6. Select band mode “Cellular band/PCS band” in band setting and click “Set band” .

7. Set a channel “384/600” in RF channel setting and click “Set channel” .

Cellular Band Test channel : 384

PCS Band Test channel : 600

8. Select “On” in TX on/off and click “set Tx On/off” .

9. Select “Off” in waveform and click “Set waveform”.

10. Select “0 - R0_On R1_On” in PA Range and lick “Set PA Range”.

11. Set “110” in AGC and click “set AGC”.

12. After finish above checking, select “Online” in “ phone mode setting” and click “Set phone mode”.

RM-384

RF Troubleshooting

Figure 39 Steps of configuring FTM for RF troubleshooting

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RM-384 RF Troubleshooting

RF TX voltage checking

Steps

1. Set up the main board in the module jig.

2. Check the following:

# Signal name Test point Voltage (all bands)

1 TX_2.85V U403 2.85V 2 MSMP_2.6V U403 2.6V 3 TX_ON U403,U301 2.6V 4 PA_RXX U403,U301 0V for high gain mode 2.4~2.5V for low gain mode 5 PA_ON0 U403,U301 2.5~2.6V for PA turning on, 0V for turning off (CELL) 6 PA_ON1 U403,U301 2.5~2.6V for PA turning on, 0V for turning off ( PCS)

Table 17 RF TX voltage checking point information

Figure 40 Tx DC checking test points

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TX RF Test Points

RM-384

RF Troubleshooting

Figure 41 Tx RF Test Points

Test

Point

1 TX_AGC_ADJ 1.85V for 5 dBm, 2.1V for 15 dBm U202 2 RFT6150 output -17 ~ -10 dBm U202 3 Cellular SAW output Max atten 7dB SAW201 4 Cellular PA output Gain 5~15dB U201 5 Cellular Coupler Output Max atten 7dB U207 6 Cellular Duplexer Output Max atten 3dB DPX102 7 Diplexer Out Max atten 3dB DPX101

13 RF connector 20 dBm J100

Test

Point

8 RFT6150 output -18 ~ -12 dBm U202

9 PCS PCS SAW output Max atten 7dB SAW202 10 PCS PA output Gain 5~15dB U204 11 PCS Coupler Output Max atten 3dB U208 12 PCS Duplexer Output Max atten 3dB DPX103

7 Diplexer Out Max atten 3dB DPX101 13 RF connector 19 dBm J100

Description Value

Table 18 Cell band Tx check shows the test points shown in Figure 41.

Description Value

Table 19 PCS band Tx check shows the test points shown in Figure 41.

Check

component

Check

component

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