Sony-Ericsson K750 Service Manual TEST INSTRUCTION
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
2/000 21-2/FEA 209 544/94 A
Company Internal
©
Sony Ericsson Mobile Communicat i ons AB
Approved according to 000 21-LXE 107 42/1
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.
2/000 21-2/FEA 209 544/94 A
Company Internal
©
Sony Ericsson Mobile Communicat i ons AB
2(6)
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