Sony Ericsson Z250 User manual

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/121 A
Company Internal
© Sony Ericsson Mobile Communications AB
Test Instruction, Mechanical
Applicable for Z250 and Z320
Contents
1
Abstract.............................................................................................................. 2
2 Test Procedure .................................................................................................. 2
2.1 Test flow ................................................................................................ 2
3 Pre-Test Preparations ....................................................................................... 2
3.1.1 Software Update.................................................................................... 2
3.1.2 Verify Software Version......................................................................... 2
3.1.3 Update Software Version ...................................................................... 3
4 Service Tests ..................................................................................................... 3
4.1 Main Display Test.................................................................................. 3
4.2 LED/Illumination Test ............................................................................ 3
4.3 Keyboard Test ....................................................................................... 4
4.4 Speaker Test ......................................................................................... 4
4.5 Earphone Test....................................................................................... 4
4.6 Microphone Test.................................................................................... 4
4.7 Vibrator Test.......................................................................................... 4
4.8 Camera Test.......................................................................................... 5
4.9 Real Time Clock Test ............................................................................ 5
4.10 Total Call Time Test .............................................................................. 5
5 Manual Tests...................................................................................................... 6
5.1 SIM Test ................................................................................................ 6
5.2 Infrared Test .......................................................................................... 6
5.3 System Connector Test......................................................................... 6
5.3.1 Battery Charger ..................................................................................... 6
5.3.2 Portable Hands-free (PHF).................................................................... 6
5.4 On The Air Call to Mobile ...................................................................... 7
6 Revision History................................................................................................ 8

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/121 A
Company Internal
© Sony Ericsson Mobile Communications AB
2(8)
1 Abstract
This document describes the process used for flashing software upgrades and how to
functionally test the mobile phone.
2 Test Procedure
To verify all components within Mechanical repair package all tests must be
performed.
2.1 Test flow
It’s acceptable to return the phone to the customer if the unit is passing these steps
of testing without any failures. If there are any failures, the phone must be repaired
according to the troubleshooting guide or sent to higher repair level.
3 Pre-Test Preparations
3.1.1 Software Update
Update to the latest signaling software using Emma III.
3.1.2 Verify Software Version
To verify if the mobile needs new software, you have to check the Software Version
in the mobile. Current Software Versions are checked using the following steps:
1. Start the phone.
2. Press the following Navigation key and keypad sequence: →∗←←∗←∗
3. Select “Service Info”.
4. Select “Software info”.
5. Check the software file revisions on the display. (Contact your line supervisor to
determine what the latest SW revision is.)
6. Press “OK” to return to the “Service Info” menu.

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/121 A
Company Internal
© Sony Ericsson Mobile Communications AB
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3.1.3 Update Software Version
Update the software in the mobile by doing the following:
1. Make sure that the phone’s battery is fully charged or use a Dummy battery and a
power supply. Connect correct flash cable and interface according to the
Installation instruction.
2. Connect to the Emma III server, follow the instruction and update to latest
software.
4 Service Tests
NOTE! It is not necessary to have a SIM card inserted for the Service Tests.
1. Press the “On/Off” button to start the mobile.
2. The Service menu is entered using the following Navigation key and keypad
sequence: →∗←←∗←∗
3. Select “Service Tests” then press the “Select” key.
NOTE! The “Back” key in this document refers to the upper right functional key
4.1 Main Display Test
To verify the display:
1. Select “Main Display” from the “Service Tests” menu and press the “Select” key.
2. The display toggles between different test patterns. Make sure that there are no
missing segments and the colors/contrast are OK.
3. Press the “Back” key to return to the Service Tests menu.
4.2 LED/Illumination Test
To verify that the backlighting of the display and the keypad are OK:
1. Select “LED/illumination” from the “Service Tests” menu and press the “Select”
key.
2. The words “LED/illumination” will be splashed on the screen.
3. Check that the backlight turns on and off and the LED’s (white) under the keypad
light up from the top to the bottom of the Keypad.
4. Press the “OK” key to end the test and return to the Service Tests menu.

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/121 A
Company Internal
© Sony Ericsson Mobile Communications AB
4(8)
4.3 Keyboard Test
To verify that the keyboard, the Navigation key and side keys are OK:
1. Select “Keyboard” from the “Service Tests” menu and press the “Select” key.
2. The phrase “Keyboard Test. Press any key.” will be displayed on the screen.
3. Press all keys on the keypad and the side keys. If they are ok a text message will
be displayed corresponding to the key pressed. All keys should be tested.
4. If you stop pressing keys the phone will return to the Service Tests menu after a
few seconds.
4.4 Speaker Test
WARNING! DO NOT HOLD THE PHONE TO YOUR EAR WHILE PERFORMING
THIS TEST.
To verify the Speaker functions:
1. Select “Speaker” from the “Service Tests” menu and press the “Select” key.
2. Adjust the volume with the navigation or side volume keys and make sure that the
speaker is working properly.
3. Press the “OK” key to go back to the Service Tests menu.
4.5 Earphone Test
To verify the Earphone functions:
1. Select “Earphone” from the “Service Tests” menu and press the “Select” key.
2. Adjust the volume with the navigation or side volume keys and make sure that the
earphone is working properly.
3. Press the “OK” key to go back to the Service Tests menu.
4.6 Microphone Test
This test can only be performed by making an “On the Air Call to Mobile” test. See
chapter 6.3
4.7 Vibrator Test
To verify the vibrator functions:
1. Select “Vibrator” from the “Service Tests” menu and press the “Select” key.
2. Press any key to start the Vibrator
3. Verify that the mobile vibrates multiple times.
4. Press the “OK” key to end the test and return to the Service Tests menu.

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/121 A
Company Internal
© Sony Ericsson Mobile Communications AB
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4.8 Camera Test
To verify the camera functions:
NOTE! Minor variations in image appearance may occur between phones. This
is nothing uncommon and is not regarded as a defective camera
module.
To verify that the camera is OK:
1. Select Camera from the “Service Tests” menu and press the ”Select” key.
2. Focus on an object as to take a picture. Check that the image quality is OK.
NOTE! Picture cannot be taken during this test.
3. Press the “Back” key to return to the Service Tests menu.
4.9 Real Time Clock Test
This test will check if the built in real time clock works.
1. Select “Real Time Clock” from the “Service Tests” menu and press the “Select”
key.
2. The words “Real Time Clock Please wait...” will be displayed on the screen.
3. After a few seconds you will get information whether the clock is ok or not. After
the test results are displayed the test will end and return to the Service Tests
menu.
4.10 Total Call Time Test
This test is to check the total call time of the hand set.
1. Select “Total call time” from the “Service Tests” menu. The total call time of the
hand set will now be displayed.
2. Press the “OK” key to go back to the service tests menu.

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/121 A
Company Internal
© Sony Ericsson Mobile Communications AB
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5 Manual Tests
5.1 SIM Test
To verify that the phone can detect a SIM:
1. Insert a SIM card, connect a battery and start the unit.
2. Press the “Select” key at the “Start phone” menu. If this menu does not appear
proceed to step 3.
3. If the SIM is detected the phone will start “Searching” for a signal. If the SIM is not
detected the phone will ask you to “Insert SIM card”.
5.2 Infrared Test
To verify that the Infrared (IR) communication is working:
1. Insert a SIM card, connect a battery and start the unit.
2. Activate the IR function by entering the menu and selecting:
Settings/Connectivity/Infrared port/10 Minutes.
3. Set up an infrared link between an IR test device and the mobile. If a link can be
established, the IR module is considered functional.
4. Press and hold the “Back” key to get back to the main screen.
5.3 System Connector Test
5.3.1 Battery Charger
To verify if the charging of the phone is properly working:
1. Connect a battery.
2. Connect the Charger to the system connector.
3. Verify that the main display shows that the phone is being charged.
4. Remove the Charger from the system connector and verify that the main display
no longer shows the phone being charged.
5.3.2 Portable Hands-free (PHF)
To verify the portable hands-free function:
1. Insert a SIM card, connect a battery and start phone.
2. Insert a Portable Hands-free that is compatible to the phone
3. Make a “On the Air Call Test” according to Chapter 6.3 to verify the function of
the hands-free microphone and the hands-free earphone
4. Adjust the volume up and down using the side volume key and check that the
volume in the mobile is altered.

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/121 A
Company Internal
© Sony Ericsson Mobile Communications AB
7(8)
5.4 On The Air Call to Mobile
Use an On the Air Call to the mobile to test its network functionality.
NOTE! An “On the Air” test can only be performed if the mobile has an
activated SIM card properly installed in the mobile and a network signal
is available. This test cannot be performed with a Test SIM.
To verify the radio functions in the phone do the following:
1. Insert an operator SIM card and start phone.
2. Set up a call from a landline phone (PSTN) to the mobile.
3. Answer the phone call.
4. Check that the ringer is working and that the backlight switches on OK.
5. Check that the quality of sound both in the mobile and the landline phone (PSTN)
are OK.
6. Adjust the volume up and down using the side volume key and check that the
volume in the mobile is altered.
7. End the call. Check that the ending procedure is OK and that the talk time is
displayed.

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/121 A
Company Internal
© Sony Ericsson Mobile Communications AB
8(8)
6 Revision History
Rev. Date Changes / Comments
A 2007-10-09 1st release