4_00021-1_FEA209544_594UEN_C.PDF

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Trouble Shooting Guide, Mechanical
Trouble Shooting Guide, Mechanical
Applicable for W600i, W600c, W550i, and W550c
Contents
1
General.................................................................................................................................................................... 2
2
Network/Signal Problems ....................................................................................................................................... 2
3
Power Problems ...................................................................................................................................................... 4
4
Audio Problems ...................................................................................................................................................... 6
Microphone: .................................................................................................................................................. 6
Receiver: ....................................................................................................................................................... 6
Rear Base Speaker: ....................................................................................................................................... 8
Side Base Speaker:........................................................................................................................................ 9
5
Key Problems........................................................................................................................................................ 10
Base Keypad: .............................................................................................................................................. 10
Flip Keypad:................................................................................................................................................ 11
Gaming keys: .............................................................................................................................................. 12
Music Player Key:....................................................................................................................................... 12
Volume keys: .............................................................................................................................................. 13
Camera key: ................................................................................................................................................ 13
6
SIM Problems ....................................................................................................................................................... 14
7
IR Problems .......................................................................................................................................................... 15
8
Hands-Free Problems............................................................................................................................................ 15
9
Display Problems .................................................................................................................................................. 16
10
Illumination Problems........................................................................................................................................... 19
Neither the Keypad nor the Display Illuminate (W600
only):
.................................................................... 19
Base Keypad: .............................................................................................................................................. 19
Flip Keypad (Navigation Keypad):............................................................................................................. 20
Gaming Key: ............................................................................................................................................... 20
Display: ....................................................................................................................................................... 21
11
Alert Problems ...................................................................................................................................................... 23
Vibrator: ...................................................................................................................................................... 23
Rear Base Speaker: ..................................................................................................................................... 23
Side Base Speaker:...................................................................................................................................... 25
4/000 21-1/FEA 209 544/594 C
Company Internal
©
Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, Mechanical
12
13
14
15
16
17
Charging/Capacity Problems ................................................................................................................................ 26
Camera Problems .................................................................................................................................................. 27
Bluetooth Problems............................................................................................................................................... 28
Software Problems ................................................................................................................................................ 29
Data Communication Problems ............................................................................................................................ 29
Revision History ................................................................................................................................................... 30
1 General
This document outlines the mechanical repairs that should be made in an attempt to fix the common failures that are seen in the field. To gain a
complete understanding of how to test and repair a unit, this document should be used in conjunction with the Test Instructions, Mechanical and
the Working Instructions, Mechanical.
NOTE!
NOTE!
A unit should always be inspected for liquid damage and flashed with latest software before using the Mechanical Trouble Shooting
Guide. Refer the Mechanical Test Instructions for details regarding inspecting for liquid damage and upgrading software.
If all of the repair actions listed in this document for addressing a problem have been preformed and a unit still is not working,
handle the unit according to your local company directives.
2 Network/Signal Problems
Problem Area
No Signal or Poor
Signal
Items to Check
Inspect SIM holder
Repair Action
•
•
If dirty or oxidized – Clean
If damaged – Send to an electrical
repair location
Reference Image
4/000 21-1/FEA 209 544/594 C
Company Internal
©
Sony Ericsson Mobile Communications AB
2(30)
Trouble Shooting Guide, Mechanical
Problem Area
No Signal or Poor
Signal (Cont.)
Items to Check
Inspect antenna-to-board connector
Repair Action
•
If dirty or oxidized – Clean the
antenna-to-board connector and
replace the antenna assembly
If damaged – Send to an electrical
repair location
Reference Image
•
Inspect external RF connector
•
•
If dirty or oxidized – Clean the
external RF connector
If damaged – Send to an electrical
repair location
If the issue has not been resolved
!
•
Replace the antenna assembly if it
has not been replaced
4/000 21-1/FEA 209 544/594 C
Company Internal
©
Sony Ericsson Mobile Communications AB
3(30)
Trouble Shooting Guide, Mechanical
3 Power Problems
Problem Area
Unit will not Power
On
Items to Check
With the phone in the open position,
check whether the main keypad
illuminates 5 to 10 seconds after pressing
the power key
Before proceeding
!
Repair Action
•
If illumination of the keypad is
detected, refer to the “Display
Problems” section
Do software update content refresh.
Reference Image
•
Note: Software Update Content
Refresh will erase all user data.
Visually inspect contact pads on battery
•
•
If dirty or oxidized – Clean the pads
If damaged – Replace the battery
Visually inspect battery connector
•
•
If dirty or oxidized – Clean
If damaged – Send to an electrical
repair location
Visually inspect the power key for debris
or damage
•
•
If dirty – Clean
If damaged – Replace the power key
4/000 21-1/FEA 209 544/594 C
Company Internal
©
Sony Ericsson Mobile Communications AB
4(30)
Trouble Shooting Guide, Mechanical
Problem Area
Unit will not Power
On (Cont.)
Items to Check
Visually inspect the power switch
portion of the display flex film
Repair Action
•
•
If dirty – Clean the power switch
If damaged – Replace the display
flex film
Reference Image
Visually inspect the cable assemblies and
•
their mating connectors on the display
flex film and the circuit board
•
If any of the four cable connections
are improperly connected -
Reestablish a proper connection
If any portion of the four cable
connections are dirty - Replace both
cables and clean the mating portions
of the cable connections that are on
the display flex film and the circuit
board
If a cable assembly is damaged –
Replace both cable assemblies
If a cable connector on the display
flex film is damaged – Replace the
display flex film
If a cable connector on the circuit
board is damaged – Send to an
electrical repair location
Replace the power key, the display
flex film, and both cable assemblies,
if they have not already been
replaced
•
•
•
If the issue has not been resolved!
•
4/000 21-1/FEA 209 544/594 C
Company Internal
©
Sony Ericsson Mobile Communications AB
5(30)

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