Sony Ericsson K660i Manual de usuario

 
 
 
 
 Trouble Shooting Guide, Mechanical 
 
1208-5075 Rev 1 
 Trouble Shooting Guide, Mechanical 
Applicable for K660i 
 
Contents 
1General...............................................................................................................2 
1.1 Service functions in the software...........................................................2 
1.2 Misuse and other no warranty issues....................................................3 
2Appearance Problems.......................................................................................7 
3Network/Signal Problems .................................................................................8 
4On/Off Problems..............................................................................................11 
5Audio Problems...............................................................................................13 
6Key Problems...................................................................................................17 
7Display Problems ............................................................................................19 
8Illumination Problems.....................................................................................20 
9Alert Problems.................................................................................................22 
10 SIM Problems...................................................................................................23 
11 FM Radio Problems.........................................................................................24 
12 M2 Memory Problems .....................................................................................25 
13 Charging/Capacity Problems .........................................................................26 
14 Camera Problems............................................................................................28 
15 Data Communication Problems .....................................................................34 
16 Software Problems..........................................................................................35 
17 Revision History ..............................................................................................36 
Company Internal ©Sony Ericsson Mobile Communications AB 
 

Trouble Shooting Guide, Mechanical

1208-5075 Rev 1 2(36)

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.

1.1 Service 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.

Company Internal ©Sony Ericsson Mobile Communications AB

Trouble Shooting Guide, Mechanical

1208-5075 Rev 1 3(36)

1.2 Misuse 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.

Company Internal ©Sony Ericsson Mobile Communications AB

Trouble Shooting Guide, Mechanical

1208-5075 Rev 1 4(36)

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

Company Internal ©Sony Ericsson Mobile Communications AB

Trouble Shooting Guide, Mechanical

1208-5075 Rev 1 5(36)

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.

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).

Company Internal ©Sony Ericsson Mobile Communications AB

Trouble Shooting Guide, Mechanical

1208-5075 Rev 1 6(36)

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

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.

Company Internal ©Sony Ericsson Mobile Communications AB

Trouble Shooting Guide, Mechanical

1208-5075 Rev 1 7(36)

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.

Company Internal ©Sony Ericsson Mobile Communications AB

Trouble Shooting Guide, Mechanical

1208-5075 Rev 1 8(36)

3Network/Signal Problems

Problem Area Items to Check Repair Action Reference Image

Before proceeding ÆPerform a flash upgrade.

Visually inspect SIM Card Reader. •If dirty or oxidized – Clean it.

•If damaged – Send to an electrical

repair location.

No Signal or Poor

Signal

Visually inspect antenna contact pins. •If dirty or oxidized – Clean the pins and

replace the antenna assembly.

Company Internal ©Sony Ericsson Mobile Communications AB

Trouble Shooting Guide, Mechanical

1208-5075 Rev 1 9(36)

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 Æ•Handle the unit according to local

directives.

Company Internal ©Sony Ericsson Mobile Communications AB

Trouble Shooting Guide, Mechanical

1208-5075 Rev 1 10(36)

Problem Area Items to Check Repair Action Reference Image

Connect the phone to hands free 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 Æ•Handle the unit according to local

directives.

Company Internal ©Sony Ericsson Mobile Communications AB

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