BENQ A31 Service Repair Documentation 1

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Release 1.0

Service Manual

A31

Level 1-3

Release Date Department Notes to change

R 1.0 28.12.2005 BenQ Mobile S CC CES New document

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Table of Content

1 Key Feature................................................................................................................................3

2 A31 Interface to Accessories ...................................................................................................4

3 Unit Description of A31.............................................................................................................5

4 Exploded View of A31...............................................................................................................6

5 Disassembly of A31 ..................................................................................................................7

6 Assembly of A31 .....................................................................................................................11

7 BenQ Mobile Service Equipment User Manual.....................................................................15

8 GRT Software: Functionality Configuration..........................................................................16

9 GRT Software: Regular Usage ...............................................................................................18

10 JPICS (Java based Product Information Controlling System)............................................23

11 International Mobile Equipment Identity, IMEI......................................................................29

12 General Testing Information...................................................................................................30

13 Introduction of Service Repair Documentation for Level 3 Basic Repairs – A31..............36

14 List of available Level 3 Basic Parts......................................................................................37

15 Hardware Requirements.........................................................................................................37

16 A31 Board Layout....................................................................................................................38

17 SIM Card Problems .................................................................................................................39

18 IO Connector Problems ..........................................................................................................40

19 Main Keypad Illumination Problems......................................................................................41

20 Connector Battery...................................................................................................................42

21 Display Problems ....................................................................................................................43

22 Connector RF Internal Antenna .............................................................................................44

23 Filter EMI Problems.................................................................................................................46

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1 Key Feature

Supported Systems

Stand-by Time Talk Time Battery Technology Battery Capacity Weight Volume Length Width Thickness SIM Functionality / Security Controls

Antenna Data Services

Display / Display Illumination Camera

Connectivity Features

Band GSM 900/1800 Band GSM 850/1900 EGSM (GSM phase 2/phase 2+) GPRS multislot class 8, coding scheme 1-4* Vocoders FR, HR, EFR, AMR

Up to 270 h (standard battery)

Up to 300 min (standard battery) Li-Ion 820 mAh

Less than 2 h for 100% 85 g

75 cm³ 102 mm 46 mm

17.6 mm SIM Application Toolkit (Rel. 99)

SIM lock, various levels PIN 1 & 2 control Ciphering A5.1 and A5.2 SIM plug-in (3/1.8 V), SAT rel 99 Integrated

Mobile Internet access (WAP 1.2.1 & parts of 2.0) Data download OTA via SMS or WAP MMS class 3 EMS rel. 4.3 Data services (CSD) at 9.6 Kbps & GPRS (up to 53.6 Kbps) 128 x 128 pixels, 65,536 colors, CSTN, 7 lines plus headline n / a

Serial cable 4-way navigation key & two soft keys

65,536 color display Messaging: SMS, EMS, MMS 32-chord polyphonic ring tones Basic organizer: event reminder, address book, and calendar Mobile Phone Manager software, WAP, GPRS Java MIDP 1.0, Java based games and applications Speed dialing keys, Programmable soft keys Handsfree talking Alarm function Calculator Stopwatch Silent alert (Vibra) External Antenna Connector in the phone offers an interface for a built-in car kit

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2 A31 Interface to Accessories

The car cradle is the same design of the G85 existing design. Nano I/O connector is for G85 generation. The compatible interface is suitable to use the travel charger.

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3 Unit Description of A31

The A31 Finch is designed as a Mono Block with non-exchangeable housing. The Upper case and battery cover are painted parts (1k; 2 colours). IMD Lens will be mounted by double adhesive, display, 128X128(reuse from Pegasus); semi-bridge keypad, 4-way Navi-Key, 12 keys block; IMD lens (1pcs only); No ID concept will be realized on Battery Cover.

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4 Exploded View of A31

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5 Disassembly of A31

All repairs as well as disassembling and assembling have to be carried out in an ESD

protected environment and with ESD protected equipment/tools. For all activities the

international ESD regulations have to be considered.

For more details please check information in c – market

https://market.benqmobile.com/SO/welcome.lookup.asp

There you can find the document “ESD Guideline”.

Step 1

Step 2

Remove Battery Cover Assy and Battery.

Remove screws with the Torque –

Screwdriver T5+

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Step 3

Step 4

Remove Vibramotor by using Tweezers.

Remove Loudspeaker by using Tweezers.

Step 5

Remove MMI from Upper Case Assy by

using the Alternative Opening Tool

carefully.

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Step 6

To avoid scratches it is mandatory to place

a protection foil onto the Display!!!

Step 7

Remove Display by using the alternative

opening tool carefully.

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Step 8

Remove Earphone.

Press the hocks together and lift the

earphone up.

Step 9

Remove keypad by using tweezers.

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Overview Upper Parts

Earphone

Overview Lower Parts

Vibramotor

Loudspeaker

Display

Upper Base Ass

PCB

6 Assembly of A31

Step 1

Screws

Battery Cover Assy

Battery

Lower Case

Assemble Keypad by using Tweezers.

Step 2

Assemble Earphone by using Tweezers.

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Step 3

Step 4

Assemble Display module.

Remove the display protection foil.

Step 5

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Assemble Receiver by using tweezers.

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Step 9

Step 10

Assemble the Vibramotor by using

tweezers.

Assemble MMI and Upper Case Assy.

Step 11

Assemble Lower Case Assy.

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Step 9

Assemble Battery and Battery Cover Assy.

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7 BenQ Mobile Service Equipment User Manual

Introduction

Every LSO repairing BenQ Mobile handset must ensure that the quality standards are

observed. BenQ Mobile has developed an automatic testing system that will perform all

necessary measurements. This testing system is known as:

BenQ Mobile Service Equipment

• For disassembling / assembling

Torque – Screwdriver

Part Number: F 30032 – P 228 – A1

Opening tool

(Case opening without destroying)

Part Number: F 30032 – P 38 – A1

Alternative Opening tool

Part Number: F30032 – P583 – A1

Tweezers

• For testing

All mobile phones have to be tested with the GRT – Software. The service partner is responsible to ensure that all required hardware is available.

For additional Software and Hardware options as well as the supported GRT equipment,

please check the GRT User manual.

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8 GRT Software: Functionality Configuration

Sep 1:

Step 2:

Select „Settings >> SWUP / JPICS”

Proceed as follows:

¾ Select all required Variants you need to repair (click onto the “+” in

front of the product name.

¾ Check Com-Port setting. If necessary change it ¾ Check speed setting. Select always the lowest speed if your PC

does not have a fast serial card

¾ Enter the value for “JPICS Server Timeout”. Be careful, this value

defines how long GRT tries to reach the server until you get an error message. Do not select a very long time

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Step 3: Connect to GRM Server

• Choose in the section „GRM” the „Connect to GRM Database“ functionality

• End the connection with a click onto the „Exit button“ (appearing after successful data

exchange)

Enter your GRT-Username and Password into this fields

Activate always both boxes if you connect to the database. Start with “Connect”

It you IT infrastructure parameter have changed, use this button to move to the configuration mask

GRT Software has now finished all required settings and configuration tasks. All

files have been down- and uploaded. In dependency of the selected number of mobile phones and variants the volume of transferred date could be (~100MB)

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9 GRT Software: Regular Usage

Step 1:

Step 2: Choose the area you want to work with

In any case customer data can be erased on request. (xfs and mapping have to be

activated) Of course JPICS hardware and authorisation have to be available.

Select the section SWUpdate

• Personal Repair

Personal Repair is always accessible. Basis for the decision if a SW-Update is authorised by BenQ Mobile is the so called

Example: Mobile Phone has already SW50.

In this case SW-Update is not necessary and therefore not authorised

• Operator SWAP

This area is only accessible if you are released by the service management to perform SW-Updates for Net-Operators. Basis for the decision if a SW-Update is authorised by BenQ Mobile is the so called

Customer data will be erased without any exception and any chance to influence by

the user. JPICS hardware and authorisation have to be available.

• Operator SWUpdate

This area is only accessible if you are released by the service management to perform SW-Updates for Net-Operators. Basis for the decision if a SW-Update is authorised by BenQ Mobile is the so called

Like in “Personal Repair” customer data can be erased on request. (xfs and mapping

have to be activated) Of course JPICS hardware and authorisation have to be

available.

Service Release-Table .

Service -Release-Table shows SW50

Master-Table .

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9.1 Window explanation

This general explanation is valid for all SW-Update channels

(Personal Repair, Operator SWAP, Operator SWUpdate)

1.1.1.1.1.1.1 Automatic read out function of phone type/Variant. Appearing in the

Remarks:

In case of malfunction please check

o Is the correct phone type selected o Is the correct COM-Port selected o If a variant is missing, move back to Settings select the missing variant and

conncet the GRM Server. Then continue with SW-Update.

After using „Check Variant“ Phone IMEINumber will be shown here

Select boxes for: Content = xfs Settings = mapping

Attention:

ctivation of the boxes will cause erase of customer date while SWUpdate

Window to select the mobile phone CPU

Shows the different SW –Versions a) SW inside the mobile phone b) Version of Service Release Table SW

Version of Master Table SW

Start button for SWUpdate

Stop / leave SW-Update

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5.1 9.2 Case 1: Personal Repair (green)

Step 1: Carry out step 1 – 4 to start SW-Update.

Select the mobile phone CPU type

Start SW-Update

Choose if customer data shall be erased. If “Yes” activate the boxes in front of xfs and mapping

1.1.1.1.1.1.2 Read out phone type/Variant. >>Appears in the window above.

Remarks:

- The decision about a BenQ Mobile authorised SW-Update depends only on

the Service Release-Table .

- The SW which is booted by GRT can be below the SW mentioned in the

Service Release Table, if this SW is not released for the Net-Operator

- If xfs and mapping are activated, GRT will erase in any case the customer

data even if the action is cancelled.

- If the user wants to download an other variant then the automatically identified

one, he has simply to select an other variant from the list. Afterwards he has to start the SW-Update

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9.3 Case 2: Operator SWAP (red)

Step 1: Carry out step 1 – 4 to start SW-Update.

1.1.1.1.1.1.3 Read out phone type/Variant. >>Appears in the window above.

Remarks:

- The decision about a BenQ Mobile authorised SW-Update depends only on

the Master-Table .

- The user has no chance to influence the decision

- Xfs and mapping are always activated there is no chance to deactivate them.

GRT will erase in any case the customer data even if the action is cancelled.

- If the user wants to download an other variant then the automatically identified

one, he has simply to select an other variant from the list. Afterwards he has to start the SW-Update

Select the mobile phone CPU type

Start SW-Update

Choose if customer data shall be erased. If “Yes” activate the boxes in front of xfs and mapping

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9.4 Case 3 Operator SWUPdate (blue)

Step 1: Carry out step 1 – 4 to start SW-Update.

1.1.1.1.1.1.4 Read out phone type/Variant. >>Appears in the window ab ove.

Remarks:

- The decision about a BenQ Mobile authorised SW-Update depends only on

the

Master-Table .

- The user has no chance to influence the decision

- Xfs and mapping can be activated on demand. GRT will erase in any case

the customer data even if the action is cancelled.

- If the user wants to download an other variant then the automatically identified

one, he has simply to select an other variant from the list. Afterwards he has to start the SW-Update

Select the mobile phone CPU type

Start SW-Update

Choose if customer data shall be erased. If “Yes” activate the boxes in front of xfs and mapping

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10 JPICS (Java based Product Information Controlling System)

Overview

The following functions are available for the LSO:

• General mobile information

• Generate PINCODE

• Generate SIMLOCK – UNLOCK – Code

• Print IMEI labels

• Lock, Unlock and Test the BF - Bus

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The access to the JPICS server which is located in Kamp – Lintfort is protected by chip card

and in addition using secure socket layer (SSL) connection.

The JPICS server is only available for authorized users with a specially coded smart card.

These smart cards and the administration of the JPICS web server and the PICS database

– server can only be provided by the JPICS – TRUST – Center of the

responsible

department in Kamp – Lintfort.

In case of any questions or requests concerning smart cards or administration of the

databases please ask your responsible BenQ Mobile Customer Care Manager.

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Installation overview

The following installation description assumes that a web browser is already installed.

JPICS is tested with the following browsers:

Internet Explorer Version 5.5 and higher

Netscape Version 6 and higher

For further information regarding supported browsers, browser version and supported

operating systems, see the

Sun FAQ’s.

Here is a step by step instruction to install all the required components:

It is necessary to follow this order!

Smart Card Reader (Omnikey: Cardman 2020 USB or Cardman 3121 USB)

CardOS interface (BenQ Mobile Version 3.0 B)

Java Runtime Environment (Sun)

Java additional components

Every user is responsible for a proper installation matching the license agreements.

For installation and further access you need the following:

1. The JPICS Installation – CD

2. The Smart Card JPICS. These cards can be ordered via your responsible Customer

Care Manager within BenQ Mobile or on

http://jpics.BenQ.com/jpics/admin/request-

new_jpics.jsp

3. A supported Smart Card Reader (Omnikey Cardman) in order to access your Smart

Card.

Remark: We recommend using Cardman 2020 USB or Cardman 3121 USB. Serial card

readers are not supported!!!

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Generate Codes

In the JPICS application you can choose to generate:

• Masterphone codes

• Simlock – Unlock – Codes

Masterphone codes

The Masterphone code is used to unlock blocked mobiles. Masterphone codes can only be supplied for mobiles which have been delivered in a

regular manner.

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Simlock – Unlock – Code

The Simlock – Unlock – Codes can only be generated if the following conditions are given:

• Mobile must have an active Simlock inside.

• The user must be given the authorization to obtain Simlock – Unlock – Codes for

the variant of the operator to which the mobile was delivered last time.

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Printing IMEI label

The module “printing IMEI label” offers the possibility to re-print IMEI labels for mobiles

again.

You are able to print 1 label in just one step.

To prevent that misaligned labels are being printed, the setting “Print test labels =

9” is

activated by default. After having printed a well aligned test label you can uncheck the

setting and print the correct label.

Hint:

For correct printing of IMEI labels you must have a Zebra – label printer with special

material that fits for label printing. This printer has to be connected to local LPT1 printer port

(also see Installation of IMPRINT) and MUST feature a printing resolution of 300dpi.

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11 International Mobile Equipment Identity, IMEI

The mobile equipment is uniquely identified by the International Mobile Equipment Identity,

IMEI, which consists of 15 digits. Type approval granted to a type of mobile is allocated 6

digits. The final assembly code is used to identify the final assembly plant and is assigned

with 2 digits. 6 digits have been allocated for the equipment serial number for manufacturer

and the last digit is spare.

The part number for the A31 is S30880-S2920-#xxx where the last for letters specify the

housing and software variant.

A31 series IMEI label is accessible by removing the battery.

Re – use of IMEI label is possible by using a hair – dryer to remove the IMEI label.

On this IMEI label, BenQ Mobile has also includes the data code for production or service,

which conforms to the industrial standard DIN EN 60062. The data code comprises of 2

characters: first character denotes the year and the second character denotes the month.

For example: S5

CODE Year Month CODE

P 2 0 0 2 M A R C H 3

R 2 0 0 3 A P R I L 4

T 2 0 0 5 J U N E 6

2 0 0 4 M A Y

U 2 0 0 6 J U L Y 7

To display the IMEI number, exit code and SW/HW version, key: * # 0 6 #

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12 General Testing Information

General Information

The technical instruction for testing GSM mobile phones is to ensure the best repair quality.

Validity

This procedure is to apply for all from BenQ Mobile authorized level 1 up to 3 workshops.

Procedure

All following checks and measurements have to be carried out in an ESD protected

environment and with ESD protected equipment/tools. For all activities the international

ESD regulations have to be considered.

Get delivery:

¾ Ensure that every required information like fault description, customer data a.s.o. is

available.

¾ Ensure that the packing of the defective items is according to packing requirements.

¾ Ensure that there is a description available, how to unpack the defective items and

what to do with them.

Enter data into your database:

(Depends on your application system)

¾ Ensure that every data, which is required for the IRIS-Reporting is available in your

database.

¾ Ensure that there is a description available for the employees how to enter the data.

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Incoming check and check after assembling:

!! Verify the customers fault description!!

¾ After a successful verification pass the defective item to the responsible

troubleshooting group.

¾ If the fault description can not be verified, perform additional tests to save time and to

improve repair quality.

- Switch on the device and enter PIN code if necessary unblock phone.

- Check the

- Check the display for error in

function of all keys including side keys.

line and row, and for illumination.

- Check the ringer/loudspeaker acoustics by individual validation.

- Perform a GSM Test as described on page 36.

Check the storage capability:

¾ Check internal resistance and capacity of the battery.

¾ Check battery charging capability of the mobile phone.

¾ Check charging capability of the power supply.

¾ Check current consumption of the mobile phone in different mode.

Visual inspection:

¾ Check the entire board for liquid damages.

¾ Check the entire board for electrical damages.

¾ Check the housing of the mobile phone for damages.

SW update:

¾ Carry out a software update and data reset according to the master tables and

operator/customer requirements.

Repairs:

The disassembling as well as the assembling of a mobile phone has to be carried out by considering the rules mentioned in the dedicated manuals. If special equipment is required the service partner has to use it and to ensure the correct function of the tools. If components and especially soldered components have to be replaced all rules mentioned in dedicated manuals or additional information e.g. service information have to be considered

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GSM Test:

With the availability of the GRT Test /Alignment software, this tool has to be used to perform the outgoing test!

>Connect the mobile/board via internal antenna (antenna coupler) and external antenna

(Car cradle/universal antenna clip) to a GSM tester

>Use a Test SIM

For Triple Band phones use a separate test case, if the test software allows only one

handover.

Skip the GSM Band test cases if not performed by the mobile phone

Example: 1. Test file Band 1 = GSM900 / Band 2 = GSM1800

2. Test file Band 1 = GSM1900

Internal Antenna

Test case Parameter Measurements Limits

1 Location Update • GSM Band 1

• BS Power = -55 dBm

• middle BCCH

2 Call from BS • low TCH

• highest PCL

• BS Power = -75 dBm

• middle BCCH

3 TX GSM Band 1 • low TCH

• highest PCL

• BS Power = -75 dBm

• middle BCCH

4 Handover to GSM Band 2

Including Handover Check

5 TX GSM Band 2 • low TCH

6 Call release from BS

• highest PCL0

• BS Power = -75 dBm

• middle BCCH

• Display check • individual check

• Ringer/Loudspeaker

check

• Frequency Error

• Phase Error RMS

• Phase Error Peak

• Average Power

• Power Time Template

• Frequency Error

• Phase Error RMS

• Phase Error Peak

• Average Power

• Power Time Template

• individual check

• GSM Spec.

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External Antenna

7 Call from MS • GSM900

• high TCH

• second highest PCL

• BS Power = -75 dBm

• middle BCCH

8 TX GSM Band 1 • high TCH

• second highest PCL

• BS Power = -75 dBm

• middle BCCH

9 RX GSM Band 1 • high TCH

• BS Power = -102 dBm

• 50 Frames

• middle BCCH

10 Handover to GSM Band 2

Including Handover Check

11 TX GSM Band 2 • high TCH

12 RX GSM Band2 • high TCH

13 Call release from MS

• second highest PCL

• BS Power = -75 dBm

• middle BCCH

• BS Power = -102 dBm

• 50 Frames

• middle BCCH

• Keyboard check • individual check

• Frequency Error

• Phase Error RMS

• Phase Error Peak

• Average Power

• Power Time Template

• RX Level

• RX Qual

• BER Class Ib

• BER Class II

• BER Erased Frames

• Frequency Error

• Phase Error RMS

• Phase Error Peak

• Average Power

• Power Time Template

• RX Level

• RX Qual

• BER Class Ib

• BER Class II

• BER Erased Frames

• GSM Spec.

Final Inspection:

The final inspection contains:

1) A 100% network test (location update, and set up call).

2) Refer to point 3.3.

3) A random sample checks of:

- Data reset (if required)

- Optical appearance

- complete function

4) check if PIN-Code is activated (delete the PIN-Code if necessary).

Basis is the international standard of DIN ISO 2859.

Use Normal Sample Plan Level II and the Quality Border 0, 4 for LSO.

Remark: All sample checks must be documented.

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Annex 1

Test SIM Card

There are two different “Test SIM Cards” in use:

1) Test SIM Card from the company “ORGA”

Pin 1 number: 0000 PUK 1 : 12345678

Pin 2 number: 0000 PUK 2 : 23456789

2) Test SIM Card from the company “T-D1”

Pin 1 number: 1234 PUK : 76543210

Pin 2 number: 5678 PUK 2 : 98765432

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Annex 2

Varta

Date code example N 9 A VA