Sony Ericsson G900 User manual

Test Instruction, Electrical

1210-5419 Rev1

Test Instruction, Electrical

Applicable for G900

Contents

1General.............................................................................................................................2

2Test Preparations............................................................................................................2

2.1 RF Test Fixture (Conducted Test Method) .......................................................2

2.2 RF Coupler (Radiated Test Method).................................................................3

3Go/No Go Test.................................................................................................................4

3.1 SERP GNG........................................................................................................4

4Calibration.......................................................................................................................5

4.1 Flashing the Test Program (ITP) into the Mobile..............................................5

4.2 Calibration Instructions.....................................................................................5

4.3 Flash LED Calibration.......................................................................................6

4.4 Updating the Commercial Software into the Mobile after Calibration .............6

5Revision History..............................................................................................................7

Company Internal ©Sony Ericsson Mobile Communications AB

Test Instruction, Electrical

1210-5419 Rev1

Company Internal ©Sony Ericsson Mobile Communications AB

1General

This document describes the process for functionally testing a mobile at the Electrical repair level.

Mobiles repaired at the Electrical repair level must have all Mechanical and Electrical level tests

performed and must pass without error to be considered a functional unit. If there are any failures,

repair the mobile according to the Mechanical and the Electrical Troubleshooting Guides.

2Test Preparations

2.1 RF Test Fixture (Conducted Test Method)

1. Remove the stylus, battery cover, camera cover and frame according to the Working

Instructions, Mechanical.

2. Peal down the antenna carefully according to pic 1.

3. Insert a test SIM, install a fully charged standard battery to the phone and start the phone.

NOTE! A Battery Eliminator (Dummy Battery) may be used in place of a standard fully

charged battery if you use a power supply that meets the requirements that are

documented in the Electrical Equipment List.

4. Attach the RF Probe to the mobile according to the pic 2.

Pic1 Pic2

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Test Instruction, Electrical

1210-5419 Rev1

Company Internal ©Sony Ericsson Mobile Communications AB

2.2 RF Coupler (Radiated Test Method)

1. Insert a test SIM and a fully charged standard battery. It is very important that a standard

fully charged battery is used otherwise there is a risk for wrong test results.

2. Position the handset in the coupler as shown.

NOTE! The RF coupler test method has not been fully developed for this handset to date.

Please use the RF fixture for testing.

Rohde & Schwarz Shield Box and Coupler

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Test Instruction, Electrical

1210-5419 Rev1

Company Internal ©Sony Ericsson Mobile Communications AB

3Go/No Go Test

This test verifies that the radio parameters of a mobile fulfil the GSM and WCDMA

specifications. A mobile is considered good if all measurements pass. All results will be

presented on the screen and can be printed out if a printer is available.

3.1 SERP GNG

NOTE! For complete and detailed user instructions, see the SERP Users Manual that gets

placed on the Desktop after SERP is installed.

1On a PC with SERP installed, start the SERP program by double clicking on the

“RepairManager.exe” icon on the desktop.

2Click on “Settings” in the SERP Window and verify that the test instrument and the GPIB

address correspond.

3Click on the “Station Setup” tab and verify that the “cable” (or the coupler) settings are

selected under the “RF Connection-GoNogo” Drop down window. Click on “Apply” and then

the “OK” button.

4Enter (or scan) the IMEI number of the mobile to be tested into the “Enter IMEI” box in the

SERP Window and click on the “Load” button. The appropriate phone model will be displayed.

5In the SERP window, check either the “GSM Calibration” or “WCDMA Calibration” box that

applies.

NOTE! Due to the sensitivity of the phone from outside interference during

WCDMA calibration, a Shield box and Service Tool Test Interface

setup are required for WCDMA Calibration. These can be also used for

GSM Calibration.

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Test Instruction, Electrical

1210-5419 Rev1

Company Internal ©Sony Ericsson Mobile Communications AB

4Calibration

NOTE! A Test Program must be loaded in the handset before performing the calibration

routine. After calibration the handsets must be re-customized with signalling SW.

4.1 Flashing the Test Program (ITP) into the Mobile

NOTE! Flashing instructions may vary depending on the interface used.

Flash the Test Program software into the mobile by doing the following:

1. Attach a fully charged battery to the mobile.

2. Open the EMMA III application and log in.

3. Ensure the mobile is powered off.

4. While holding the “C” button connect the mobile to the USB Flash cable.

5. Select the “G900 ITP ” protocol and follow the on screen instructions.

NOTE! Under most circumstances the display on the mobile will be blank when the Test

Program is installed.

4.2 Calibration Instructions

NOTE! For complete and detailed user instructions, see the SERP Users Manual that gets

placed on the Desktop after SERP is installed.

1. On a PC with SERP installed, start the SERP program by double clicking on the

“RepairManager.exe” icon on the desktop.

2. Click on the “Settings” button in the SERP Window to verify the test instrument, GPIB

address and the COM Port matches the SERP settings. Click on “Apply” and then the “OK”

button.

3. Enter (or scan) the IMEI number of the mobile to be calibrated into the “Enter IMEI” box of

the SERP Window and click on the “Load” button.

4. In the SERP window, check the “Calibration” box only.

5. Connect the mobile to the test instrument using the RF fixture (refer to section 6.1.1).

6. Connect the Sony Ericsson Programming Interface Cable to the mobile’s system connector.

7. Click on the “Start Test” button in the SERP window to start the Calibration routine (mobile

will automatically turn on).

8. Monitor the progress of the calibration routine by viewing the information presented in the

“Test Manager” window.

9. If a calibration routine fails, troubleshoot according to the G900 Electrical Troubleshooting

Guide.

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Test Instruction, Electrical

1210-5419 Rev1

Company Internal ©Sony Ericsson Mobile Communications AB

10. After successful calibration, reinstall the antenna cover plug. Refer to the Working

Instruction, Mechanical.

4.3 Flash LED Calibration

Connect the phone with the Service Tool Test Interface 1206-9888 and place it in the Flash LED

Calibration Box according to picture.

Calibration routines will be added to CSPN when available

4.4 Updating the Commercial Software into the Mobile after

Calibration

To be able to use the handset after calibration requires going through the Customization process

which reloads the appropriate signalling code for the desired operator. Refer to the G900 Build

Swap Customization Instruction document for further details on the Customization process.

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Test Instruction, Electrical

1210-5419 Rev1

Company Internal ©Sony Ericsson Mobile Communications AB

5Revision History

Rev. Date Changes / Comments

1 2008-05-08 Initial Release

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