Sony Ericsson K850 User manual

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/131 A
Company Internal
© Sony Ericsson Mobile Communications AB
Test Instruction, Mechanical
Applicable for K850
Contents
1
General............................................................................................................... 2
2 Test Procedure .................................................................................................. 2
2.1 Test flow ................................................................................................ 2
3 Pre-Test Preparations ....................................................................................... 2
3.1 Liquid Damage Inspection..................................................................... 2
3.2 Software Update.................................................................................... 4
3.2.1 Verify Software Version......................................................................... 4
3.2.2 Update Software Version ...................................................................... 4
3.3 Phone Lock Reset ................................................................................. 4
4 Service Tests ..................................................................................................... 5
4.1 Required Phone Setup for Service Tests .............................................. 5
4.2 Main Display Test.................................................................................. 5
4.3 LED/Illumination Test ............................................................................ 5
4.4 Keyboard Test ....................................................................................... 6
4.5 Speaker Test ......................................................................................... 6
4.6 Earphone Test....................................................................................... 6
4.7 Microphone Test.................................................................................... 6
4.8 Vibrating Alert........................................................................................ 7
4.9 Camera Test.......................................................................................... 7
4.10 Video Call Camera ................................................................................ 7
4.11 Accelerometer Test ............................................................................... 8
4.12 Memory Card Test................................................................................. 8
4.13 FM Radio Test....................................................................................... 8
4.14 Real Time Clock Test ............................................................................ 9
4.15 Total Call Time Test .............................................................................. 9
4.16 Security Test ......................................................................................... 9
4.17 Portable Hands Free (PHF)................................................................... 9
5 Manual Tests.................................................................................................... 10
5.1 SIM Test .............................................................................................. 10
5.2 Bluetooth ............................................................................................. 10
5.3 System Connector............................................................................... 10
5.3.1 Battery Charger ................................................................................... 10
5.3.2 USB Charging ..................................................................................... 11
5.4 On The Air Call to Mobile .................................................................... 11
6 Revision History .............................................................................................. 12

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/131 A
Company Internal
© Sony Ericsson Mobile Communications AB
2(12)
1 General
This document describes the process used to perform software upgrades and
functional tests.
If there are any failures, the mobile must be repaired according to the troubleshooting
guide or sent to a higher repair level.
2 Test Procedure
To verify all components within the Mechanical repair package, all tests must be
performed.
2.1 Test flow
It’s OK to return the phone to the customer if the unit passes these tests. If there are
any failures, the phone must be repaired according to the troubleshooting guide or
sent to a higher repair level.
3 Pre-Test Preparations
3.1 Liquid Damage Inspection
Before any tests are performed, an inspection of the liquid intrusion indicator should
be made at the location shown. If the liquid intrusion indicator is red, this is an
indication of possible liquid exposure. If the liquid intrusion indicator suggests liquid
exposure, please consult your local company for additional handling instructions.
The following images show the location of the liquid intrusion indicator.
Location of the Liquid Intrusion Indicator.

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/131 A
Company Internal
© Sony Ericsson Mobile Communications AB
3(12)
(Remove battery cover and battery)

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/131 A
Company Internal
© Sony Ericsson Mobile Communications AB
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3.2 Software Update
Update the handset with the latest signalling software using EMMA III.
3.2.1 Verify Software Version
To verify if the mobile needs new software, you have to check the Software Version.
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.
3.2.2 Update Software Version
Update the software in 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. (Once
the USB Icon appears in the EMMA III window you may release the “C” button.)
5. Select the appropriate protocol and follow the instructions.
NOTE! If the protocol has not been previously downloaded (Available
locally) select “Server search” for a complete list of script’s
available.
3.3 Phone Lock Reset
If the phone lock is on for this model, you must use the Phone Lock Reset tool in
EMMA III to automatically reset the 4 digit phone lock code to “0000”.
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.
(Once the USB Icon appears in the EMMA III window you may release the “C”
button.).
5. When prompted, select “Phone Lock Reset”.
6. The program will display “Success” on the USB Icon when the Phone lock
code has been reset to 4 zeros “0000”.

Test Instruction, Mechanical
2/000 21-1/FEA 209 544/131 A
Company Internal
© Sony Ericsson Mobile Communications AB
5(12)
4 Service Tests
4.1 Required Phone Setup for Service Tests
NOTE! It is not necessary to have a SIM card inserted for the W960
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.
4.2 Main Display Test
NOTE! Minor variations in display brightness and color may occur
between phones. There may be tiny bright dots on the display.
These are called defective pixels and occur when individual dots
have malfunctioned and can not be adjusted. Two defective pixels
are deemed acceptable.
To verify the display:
1. Select “Main Display” from the “Service Tests” menu and press the “Select” key.
2. The words “Main Display” will be splashed in the center of the screen and then
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.
4.3 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 and the LED’s under the keypad and navigation keypad
toggle on and off.
4. Check that the LED close to the camera toggle on and off.
5. Press the “OK” key to end the test and return to the Service Tests menu.