
Process Flow, Electrical
Process Flow, Electrical
Applicable for W380, Z555
Contents
Process Flow ..................................................................................................... 2
1
1.1 Process Flow, Description..................................................................... 3
2 Revision History................................................................................................ 4
1208-3974 1
Company Internal
© Sony Ericsson Mobile Communications AB

Process Flow, Electrical
1 Process Flow
1208-3974 1
Company Internal
2(4)
© Sony Ericsson Mobile Communications AB

Process Flow, Electrical
1.1 Process Flow, Description
Box Reference
Unit in
Determine Fault
Reject for Customer
Abuse
Trouble Shoot
Repair
Upgrade Software to
Latest Revision if
Needed
Update Label if
Needed
Test
Unit Out
Next Repair Level
Process the unit according to local requirements.
Test Instruction, Mechanical and Electrical
Determine if the unit is faulty or not, and try to confirm the customer’s
complaint. Only perform those tests necessary to confirm the failure.
If a hardware fault is found, or a hardware and software fault is found, then
continue with Trouble Shoot.
If only a software fault is found, then continue with Upgrade Software to
Latest Revision. Report as SW upgrade.
If no hardware or software fault is found, then continue with Upgrade
Software to Latest Revision. Report as No Trouble Found, NTF.
If liquid intrusion or other abuse is found, then continue with Reject for
Customer Abuse.
Test Instruction, Mechanical
If liquid intrusion or abuse is found, then reject the unit according to local
requirements.
Trouble Shooting Guide, Mechanical and Electrical
Determine the cause of the failure.
Working Instruction, Mechanical and Electrical
Repair the faulty unit according to the instruction.
If a repair that requires calibration has been done, then calibrate the unit in
SERP. (Test Instruction, Electrical)
Calibration can only be done by authorized repair locations.
Test Instruction, Mechanical
Upgrade the software to the latest revision if needed.
Working Instruction, Mechanical
Print and apply a new label if needed.
Test Instruction, Mechanical and Electrical
Perform all tests as described in the instruction.
Process and package the unit according to local requirements.
If the cause of the failure cannot be found or is not repairable at this level,
then the unit can be scrapped, swapped, or returned to the customer at the
customer’s request.
Scrap: According to local directives
Swap: Swap the unit according to the instruction in Working Instruction,
Build Swap and according to local directives.
1208-3974 1
Company Internal
3(4)
© Sony Ericsson Mobile Communications AB

Process Flow, Electrical
2 Revision History
Rev. Date Changes / Comments
1 2008-Feb-29 Initial Release
1208-3974 1
Company Internal
4(4)
© Sony Ericsson Mobile Communications AB