Sony Ericsson K610i User manual

Trouble Shooting Guide, Mechanical
4/000 21-1/FEA 209 544/109 A
Company Internal
© Sony Ericsson Mobile Communications AB Approved according to 1/109 41-FCP 119 00 06
Trouble Shooting Guide, Mechanical
Applicable for K610i, K610im, K618i, V630i
Contents
1
General...............................................................................................................2
1.1 Service functions in the software...........................................................2
1.2 Misuse and other no warranty issues....................................................3
2 Appearance Problems.......................................................................................6
3 Network/Signal Problems .................................................................................7
4 On/Off Problems................................................................................................9
5 Audio Problems...............................................................................................11
6 Key Problems...................................................................................................14
7 Display Problems ............................................................................................16
8 Illumination Problems.....................................................................................17
9 Alert Problems.................................................................................................19
10 SIM Problems...................................................................................................20
11 Charging/Capacity Problems .........................................................................21
12 Camera Problems............................................................................................23
13 Data Communication Problems .....................................................................27
14 Software Problems..........................................................................................28
15 Revision History..............................................................................................29

Trouble Shooting Guide, Mechanical
4/000 21-1/FEA 209 544/109 A
Company Internal
© Sony Ericsson Mobile Communications AB 2(29)
1General
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 specific failure, this document should be used in conjunction
with the Test Instructions, Mechanical and the Working Instructions, Mechanical.
1.1Service functions in the software
The service menu will be accessed with the following key combination. Use the joystick.
⇒*⇐⇐*⇐*
They are as follows:
Service info
Service tests
Text labels
The phones software has a built in service functionality that allows you to test some of the phones functions. (See point 2 above) It
looks like this:
Main display
LED/illumination
Keyboard
Speaker
Earphone
Microphone
Vibrator
Camera
Memory Stick
Real time clock
Total call time
NOTE: Different names may occur depending on language setting and customization.

Trouble Shooting Guide, Mechanical
4/000 21-1/FEA 209 544/109 A
Company Internal
© Sony Ericsson Mobile Communications AB 3(29)
1.2Misuse and other no warranty issues
Misuse is not covered by warranty. This chapter will explain what’s not covered by warranty. Phones that have been exposed to
misuse will not be covered by warranty.
This means: if it is possible to repair the phone, the customer will have to pay for the repair. SEMC will not allow any of these
phones to be claimed into WCMS. Some local perspectives may interfere with this. Please reference to local directives.
1.2.1 Action
Make a general visual inspection for misuse.
Below are some examples of what is not covered by warranty.
Front window broken
due to misuse. LCD cracked due to drop. Clear scratches Mark after drop Corrosion components on the PCB.

Trouble Shooting Guide, Mechanical
4/000 21-1/FEA 209 544/109 A
Company Internal
© Sony Ericsson Mobile Communications AB 4(29)
Corrosion components on
the PCB. Corrosion components on the PCB. SIM reader damaged by liquid. System connector damaged by liquid
Components around system
connector damaged by liquid System connector pad(s) damaged by liquid
1.2.2 Liquid damage sticker
In the phone there is placed a sticker that can give you a hint to see if the phone is damage by liquid or not. This sticker is located
near the SIM reader (Fig. 1.2.1) and it is possible to see it without disassemble the phone.

Trouble Shooting Guide, Mechanical
4/000 21-1/FEA 209 544/109 A
Company Internal
© Sony Ericsson Mobile Communications AB 5(29)
Fig. 1.2.1
On the pictures below you will see the different between a sticker that has been in contact with liquid (Fig. 1.2.3) and with one that
hasn’t (Fig. 1.2.2).
1.2.3 Action
Make a general visual inspection for misuse, corrosion or oxidation from liquid damage. No further action should be taken for a liquid
damaged phone. Handle the unit according to local directives.
This sticker is ok This sticker is not ok
The white sticker that has been in contact with
liquid turns into a red or pink sticker. In this
case you should check the phone for liquid
damage
(See point 1.1.1) .
Note: There must be clear marks after liquid on
the PCB before rejecting the phone for repair.
Fig. 1.2.2 Fig. 1.2.3

Trouble Shooting Guide, Mechanical
4/000 21-1/FEA 209 544/109 A
Company Internal
© Sony Ericsson Mobile Communications AB 6(29)
2Appearance Problems
Problem Area Items to Check Repair Action Reference Image
Visually inspect the cosmetic quality of
all user viewable surfaces •If dirty – Clean parts as necessary.
•If unacceptably scratched or damaged
– Replace damage parts as necessary.
NOTE: Misuse is not covered by
warranty. Refer to chapter 1.2
Visually inspect all keys •If dirty – Clean parts as necessary.
•If unacceptably scratched or damaged
– Replace damaged parts as
necessary.
NOTE: Misuse is not covered by
warranty. Refer to chapter 1.2
Appearance
Visually inspect for improper gap
between seams •Reassemble or replace damaged parts
as necessary.

Trouble Shooting Guide, Mechanical
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3Network/Signal Problems
Problem Area Items to Check Repair Action Reference Image
Before proceeding !Perform a flash upgrade.
Visually inspect SIM holder •If dirty or oxidized – Clean it.
•If damaged – Send to an electrical
repair location.
No Signal or Poor
Signal
Visually inspect antenna contact pads •If dirty or oxidized – Clean the pads
and replace the antenna assembly.

Trouble Shooting Guide, Mechanical
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Problem Area Items to Check Repair Action Reference Image
Visually inspect antenna •If dirty, oxidized or damaged – Replace
it.
If the issue has not been resolved !•Handle the unit according to local
directives.
Connect the phone to a handsfree car
kit connected with external antenna.
Visually inspect the antenna bar on the
phone.
•If no or only very less signal – Push
the middle pin of the ext. antenna
connector a few times
No signal when using
external antenna (ex.
Hands free in car).
If the issue has not been resolved !•Handle the unit according to local
directives.

Trouble Shooting Guide, Mechanical
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© Sony Ericsson Mobile Communications AB 9(29)
4On/Off Problems
Problem Area Items to Check Repair Action Reference Image
Check whether the phone vibrates 10 to
15 seconds after pressing the power
key and whether the keypad illuminates
•If activation of the vibrator or keypad
are detected, refer to the “Display
Problems” chapter 7
Before proceeding !•Perform a flash upgrade.
Visually inspect contact pads on battery •If dirty or oxidized – Clean pads.
•If damaged – Replace the battery.
Power On
problems
Visually inspect battery connector •If dirty or oxidized – Clean it.
Note: Take care not to bend the
connector pin’s
•If damaged – Send to an electrical
repair location.

Trouble Shooting Guide, Mechanical
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Problem Area Items to Check Repair Action Reference Image
Visually inspect the power key •If damaged – Replace it.
If the issue has not been resolved !•Handle the unit according to local
directives.

Trouble Shooting Guide, Mechanical
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© Sony Ericsson Mobile Communications AB 11(29)
5Audio Problems
Problem Area Items to Check Repair Action Reference Image
Before proceeding !•Perform a flash upgrade and a setting
reset.
Visually inspect the microphone’s
external port •If clogged - Clean or replace rear
cover.
Microphone:
If the issue has not been resolved !•Handle the unit according to local
directives.
Before proceeding !•Perform a flash upgrade and a setting
reset.
Visually inspect speaker’s external port •If clogged – Clean or replace front.
Speaker:
No sound or poor
quality sound
Visually inspect speaker’s dust cloth •If dirty or damaged – Replace front.

Trouble Shooting Guide, Mechanical
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Problem Area Items to Check Repair Action Reference Image
If the issue has not been resolved !•Replace receiver
If the issue has not been resolved !•Handle the unit according to local
directives.
Before proceeding !•Perform a flash upgrade and a setting
reset.
Loudspeaker:
No sound or poor
quality sound Visually inspect speaker’s external port •If clogged – Clean it.

Trouble Shooting Guide, Mechanical
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© Sony Ericsson Mobile Communications AB 13(29)
Problem Area Items to Check Repair Action Reference Image
Visually inspect the loudspeaker’s dust
cloth •If dirty or damaged – Replace cushion
(Speaker)
Visually inspect the loudspeaker pins •If dirty or oxidized – Clean pins.
•If damaged send to electrical repair
If the issue has not been resolved !•Replace loudspeaker.
If the issue has not been resolved !•Handle the unit according to local
directives.

Trouble Shooting Guide, Mechanical
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© Sony Ericsson Mobile Communications AB 14(29)
6Key Problems
Problem Area Items to Check Repair Action Reference Image
Visually inspect for debris between
keypad key flex module, and for
damage to the keypad and the key flex
module.
NOTE: Camera switch is located on
the key flex module.
•If dirty – Clean both parts.
•If damaged - Replace keypad and/or
key flex module as necessary.
Keyboard:
A key on the
keyboard is not
functioning or is
intermittent
Visually inspect whether the key flex
module is properly connected to its
connector on the PCB
•If improperly connected – Re-establish
proper connection.

Trouble Shooting Guide, Mechanical
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© Sony Ericsson Mobile Communications AB 15(29)
Problem Area Items to Check Repair Action Reference Image
If the issue has not been resolved !•Replace key flex module, if it has not
already been replaced.
If the issue has not been resolved !•Handle the unit according to local
directives.
Visually inspect for damage to the side
keys •If damaged - Replace keys as
necessary.
Side keys
If the issue has not been resolved !•Handle the unit according to local
directives.

Trouble Shooting Guide, Mechanical
4/000 21-1/FEA 209 544/109 A
Company Internal
© Sony Ericsson Mobile Communications AB 16(29)
7Display Problems
Problem Area Items to Check Repair Action Reference Image
Check whether the phone vibrates 10 to
15 seconds after pressing the power
key and whether the keypad illuminates
•If activation of the vibrator are not
detected, refer to the On/Off
Problems” chapter 2
Before proceeding !•Perform a flash upgrade and a setting
reset.
Visually inspect whether the LCD flex
film is properly connected to its
connector on the PCB
•If improperly connected – Re-establish
proper connection.
LCD problem
If the issue has not been resolved !•Replace the LCD.
NOTE: Misuse is not covered by
warranty. Refer to chapter 1.2

Trouble Shooting Guide, Mechanical
4/000 21-1/FEA 209 544/109 A
Company Internal
© Sony Ericsson Mobile Communications AB 17(29)
8Illumination Problems
Problem Area Items to Check Repair Action Reference Image
Before proceeding !•Perform a flash upgrade and a setting
reset.
Visually inspect whether the key flex
module is properly connected to its
connector on the PCB
•If improperly connected – Re-establish
proper connection.
Visually inspect the key flex module. •If dirty or oxidized – Replace it.
•If damaged – Replace it
If the issue has not been resolved !•Replace the key flex module.
Keys:
The entire keypad
or a portion of the
keypad does not
illuminate.
If the issue has not been resolved !•Handle the unit according to local
directives.
LCD Before proceeding !•Perform a flash upgrade and a setting
reset.

Trouble Shooting Guide, Mechanical
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© Sony Ericsson Mobile Communications AB 18(29)
Problem Area Items to Check Repair Action Reference Image
Visually inspect whether the LCD flex
film is properly connected to its
connector on the PCB
•If improperly connected – Re-establish
proper connection.
If issue has not been resolved !•Replace the LCD.
If the issue has not been resolved !•Handle the unit according to local
directives.

Trouble Shooting Guide, Mechanical
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© Sony Ericsson Mobile Communications AB 19(29)
9Alert Problems
Problem Area Items to Check Repair Action Reference Image
Before proceeding !•Perform a flash upgrade and a setting
reset.
Visually inspect the vibrator pads on the
PCB •If dirty or oxidized – Clean them.
Vibrator:
Visually inspect the vibrator •If dirty or oxidized – Replace it.
•If damaged – Replace it.
Loudspeaker Refer to “loudspeaker” section under “Audio Problems”

Trouble Shooting Guide, Mechanical
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© Sony Ericsson Mobile Communications AB 20(29)
10 SIM Problems
Problem Area Items to Check Repair Action Reference Image
SIM undetected
(Insert SIM) Inspect SIM holder •If dirty or oxidized – Clean.
•If damaged – Send to an electrical
repair location.
Unit indicates an
incorrect SIM is
inserted (Insert
correct SIM)
Check whether the phone is locked to a
particular carrier and whether the
correct carrier’s SIM is being used
•Use Correct Carrier SIM or test SIM.
If the issue has not been resolved !•Handle the unit according to local
directives.