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Test Instruction, Electrical
Test Instruction, Electrical
Applicable for K750i /K750c
Abstract............................................................................................................................2
1
2
Test Procedure ................................................................................................................2
3
Test flow...........................................................................................................................2
3.1
Software Update................................................................................................2
3.1.1
Verify Software Version....................................................................................2
3.1.2
Update Software Version ..................................................................................2
3.2
Go/No-Go Test..................................................................................................3
3.3
Service Tests......................................................................................................3
3.3.1
Main Display Test .............................................................................................3
3.3.2
Camera Test.......................................................................................................3
3.3.3
LED/Illumination Test.......................................................................................3
3.3.4
Flash LED Test..................................................................................................3
3.3.5
Keyboard Test ...................................................................................................4
3.3.6
Vibrator Test......................................................................................................4
3.3.7
Earphone Test....................................................................................................4
3.3.8
Speaker Test ...................................................................................................... 4
3.3.9
Microphone Test................................................................................................4
3.3.10 Real Time Clock Test........................................................................................5
3.3.11 Memory stick test..............................................................................................5
3.3.12 FM Radio Test...................................................................................................5
3.4
Manual Tests .....................................................................................................5
3.4.1
On The Air Call To Mobile...............................................................................5
3.4.2
Infrared Test ...................................................................................................... 6
3.4.3
Bluetooth Test ...................................................................................................6
3.4.4
System Connector Test......................................................................................6
4
Revision History..............................................................................................................6
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Approved according to 000 21-LXE 107 42/1
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Test Instruction, Electrical
1 Abstract
This document describes the test procedure for the Electrical repair package.
2 Test Procedure
To verify all components within the Electrical repair package, all tests must be performed.
3 Test flow
If the phone passes these tests without any failures, it is OK to return it to the customer.
If there are any failures, the phone must be repaired according to the troubleshooting guide or
sent to a higher repair level.
3.1 Software Update
Update to latest signalling software and run the service activities software from EMMA III.
3.1.1 Verify Software Version
To verify if the phone needs new software, you have to check the current Software Version in
the phone. Software Versions are checked through the following steps:
1. Start up the phone.
2. Press the following navigation-key and keyboard sequence: !!""!"!
3. Select Service info.
4. Select SW Information.
5. Check the file revisions on the display.
6. Press OK to return to the Service info menu.
3.1.2 Update Software Version
Update the software in the phone by doing the following steps:
1. Logon to EMMAIII
2. Remove battery.
3. Reinsert battery.
4. Attach the phone to the DCU-60 cable while pressing the C button, release the button
when EMMA III indicates “detecting”.
Information about installation available on EMMA III web site:
http://ma3.extranet.sonyericsson.com/ma3/
5. Choose the correct script and run it.
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Test Instruction, Electrical
3.2 Go/No-Go Test
This section will be added later.
3.3 Service Tests
NOTE! It is not necessary to have a SIM card inserted.
Start the phone.
The Service Tests menu is entered using the following navigation-key and key sequence:
!!""!"! and select “Service Tests”.
3.3.1 Main Display Test
To verify the display:
1. Select “Main Display” from the “Service Tests” menu.
2. The display toggles between four different test patterns.
Make sure that there are no dots missing and that the colours and contrast is OK.
3. Press the “#” key to go back to the service tests menu.
3.3.2 Camera Test
To verify the camera functionality:
1. Select “Camera” from the “Service Tests” menu.
2. Open the camera shutter on the backside of the phone.
3. The camera function will now starts and are visible in the display. Make sure that the
contrast and light is OK.
4. Close the camera shutter to go back to the service tests menu.
3.3.3 LED/Illumination Test
To verify that the backlight and the Top LED are OK:
1. Select “LED/illumination” from the “Service Tests” menu.
2. Check that the backlight on the LCD and the keyboard is toggle between on and off.
3. Check also that the red led in the IrDA-window is toggle between on and off.
4. Press the “Ok” key to go back to the service tests menu.
3.3.4 Flash LED Test
To verify that the camera light is working:
1. Select “Flash LED” from the “Service Tests” menu.
2. Check that the camera light, placed back of the phone, is flashing.
3. Press the “OK” key to go back to the service tests menu.
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Test Instruction, Electrical
3.3.5 Keyboard Test
To verify that the keyboard, the navigation-key and the volume key are OK:
1. Select “Keyboard” from the “Service Tests”.
2. Press all keys on the keypad, the camera key and the volume keys on the left and the key
lock/ flash led key on the right side. If they are ok, a text feedback is displayed showing
the information which key was pressed. All keys should be tested. On/Off key is included
in the test.
3. If you stop pressing keys the phone will return to the service menu.
3.3.6 Vibrator Test
To verify the vibrator function:
1. Select “Vibrator” from the “Service Tests” menu.
2. Press any key and the vibrator will vibrate 3 times.
3. Press the “Ok” key to go back to the service tests menu.
3.3.7 Earphone Test
To verify the Earphone function:
1. Select “Earphone” from the “Service Tests” menu.
2. Adjust the volume and make sure that the Earphone is working properly.
3. Press the “Ok” key to go back to the service tests menu.
3.3.8 Speaker Test
Warning! Do NOT hold the phone to your ear while performing this test.
To verify the Speaker function:
1. Select “Speaker” from the “Service Tests” menu.
2. Adjust the volume and make sure that the Speaker is working properly.
3. Press the “Ok” key to go back to the service tests menu.
3.3.9 Microphone Test
This test is intended to test the microphone. Therefore, the earphone should be tested before
this test is entered.
1. Select “Microphone” from the “Service Tests” menu.
2. The phone will start to record and after that the sound is played in the speaker. Make sure
that the record sounds have a loud and clear sound.
3. Press the “Ok” key to go back to the service tests menu.
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Test Instruction, Electrical
3.3.10 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.
After approximately 5 seconds you will get information whether the clock is ok or not.
2. Press the “Ok” key to go back to the service tests menu
3.3.11 Memory stick test
This test is to verify if the communication to the memory stick is working.
1. Select “Memory stick” from the “Service Tests” menu.
2. Insert a memory stick and make sure that the phone detects the memory stick.
3. Press the “#” key to go back to the service tests menu.
3.3.12 FM Radio Test
This test will check if the inbuilt FM radio is working.
Hands free equipment is used in this test.
1. Select “FM radio” from the “Service Tests” menu.
2. Connect the hands free equipment to the system connector and tune in a well-known FM-
Radio channel. Verify that it’s possible to switch between different radio channels and
that the sound is clear.
3.4 Manual Tests
3.4.1 On The Air Call To Mobile
To verify the function of the speaker, microphone, polyphonic ring signal, volumes button
and radio:
1. Insert an operator SIM card and start the phone.
2. Set up a call from another phone to the mobile phone.
3. Answer the phone call.
4. Check that the polyphonic ring signal is working and that the backlight switches on OK.
5. Also check that the quality of the sound both in the mobile phone and the other phone are
OK.
6. Press the volume key up and down and check that the volume in the phone is altered.
7. End the call.
8. Check that the ending procedure is OK and that the speech time is displayed.
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Test Instruction, Electrical
3.4.2 Infrared Test
To verify that the Infrared communication is working:
1. Insert a SIM card, connect a battery and start the unit.
2. Activate the function by entering Connectivity/Infrared port and select “10 minutes”.
3. Set up an infrared link between an IR device and the phone. The IR-module is placed on
the right side of the phone. If a link can be established, the module is considered working.
3.4.3 Bluetooth Test
To verify that the Bluetooth communication is working:
1. Insert a SIM card, connect a battery and start the unit.
2. Activate the Bluetooth function by entering Connectivity/Bluetooth and turn it on.
3. Set up a link between the phone and another Bluetooth compatible device. If a connection
can be established the Bluetooth module is considered working.
3.4.4 System Connector Test
Hands free equipment and a charger are used in this test, to check the functionality of the
System Connector.
1. Insert a SIM card, connect a battery and start the unit.
2. Connect the Hands free equipment to the system connector and set up a call and listen if
you can speak/hear in the hands free set.
3. Connect the charger to the system connector and see if the phone starts to charge and if
the charging is indicated in the display.
4 Revision History
Rev. Date Changes / Comments
A 2005-05-18 Initial release
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