Process_Flow.PDF

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Process Flow, Electrical
Process Flow, Electrical
Applicable for W850 and W830
Contents
1
2
Process Flow, HVC............................................................................................ 2
1.1
Process Flow HVC, Description ............................................................ 3
Revision History ................................................................................................ 4
000 21-2/FEA 209 544/104 C
Company Internal
©
Sony Ericsson Mobile Communications AB
Process Flow, Electrical
1 Process Flow, HVC
Unit in
No trouble found
or SW fault
Determine
fault
HW fault
Fault not repairable on
this level or cause of
failure not found
Trouble shoot
Repair
Fault not repairable on
this level
SW upgrade to
latest revision
if needed
Failure
Test
OK
Unit out
Next repair
level
000 21-2/FEA 209 544/104 C
Company Internal
©
Sony Ericsson Mobile Communications AB
2(4)
Process Flow, Electrical
1.1
Process Flow HVC, Description
Box
Unit in
Determine fault
Reference
Process the phone according to local requirements.
Determine if the phone is faulty or not and if it possible confirm
the customer’s complaint.
If a HW fault is found, or a HW and SW fault is found,
continue with Trouble shoot.
If only a SW fault is found
Software upgrade to latest
revision,
continue to
Test,
and
Unit out. Report as
SW
upgrade
If no HW or SW fault is found, continue to
Software upgrade
to latest revision;
continue to
Test,
and
Unit out.
Report as
No Trouble Found, NTF.
Trouble Shooting Guide, Mechanical and Electrical
Determine the cause of the failure. Trouble-shoot the phone
according to the guide for the most common faults.
Working Instruction Mechanical and Electrical
Repair the faulty phone according to the instruction. Replace
parts as required.
(Product Change Survey, Mechanical)
Flashing the latest software into the phone at this point may
“repair” some problems.
If a repair that requires calibration has been done, calibrate the
unit in SERP.
Calibration can only be done by authorized repair
locations.
Trouble shoot
Repair
SW upgrade to
latest revision if
needed
Test
Unit Out
Next Repair Level
Control the SW revision in the product, update to latest
revision if needed.
Test Instruction, Electrical
To verify that the phone works, all test actions must be
performed.
Process and package the phone according to local
requirements.
If the cause of the failure cannot be found or is not repairable
at this level, the phone can be Scrapped, Swapped or returned
to the customer at the customer’s request.
Scrap:
According to local directives
Swap:
Swap the phone according to the instruction in
Working
Instructions, Swap and Customize
and according to local
directives
000 21-2/FEA 209 544/104 C
Company Internal
©
Sony Ericsson Mobile Communications AB
3(4)
Process Flow, Electrical
2 Revision History
Rev.
A
B
C
Date
2006-09-20
2006-11-10
2006-12-04
Changes / Comments
Initial release
Added support for W830
No changes made on the content
000 21-2/FEA 209 544/104 C
Company Internal
©
Sony Ericsson Mobile Communications AB
4(4)

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