Sony Ericsson G900 Bedienungsanleitung
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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