Sony Ericsson Z310 Manuale utente

Trouble Shooting Guide, Mechanical

4/000 21-1/FEA 209 544/125 B

Company Internal ©Sony Ericsson Mobile Communications AB

Trouble Shooting Guide, Mechanical

Applicable for Z310

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 ................................................................................................9

5Audio Problems ...............................................................................................11

6Key/Flip Problems ...........................................................................................14

7Display Problems ............................................................................................16

8Illumination Problems .....................................................................................17

9Alert Problems .................................................................................................19

10 SIM Problems...................................................................................................21

11 Charging/Capacity Problems .........................................................................22

12 Camera Problems ............................................................................................24

13 Data Communication Problems .....................................................................25

14 Hands-Free Problems .....................................................................................27

15 Software Problems ..........................................................................................28

16 Revision History ..............................................................................................29

Trouble Shooting Guide, Mechanical

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Company Internal ©Sony Ericsson Mobile Communications AB

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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 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

Flash LED

Memory Stick

Real time clock

FM radio (You need a headset to test)

Total call time

NOTE: Different names may occur depending on language setting and customization.

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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.

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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

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1.2.2 Liquid damage sticker

In the phone there are placed two stickers that can give you a hint to see if the phone is damage by liquid or not. These stickers are

located near the SIM reader, which is possible to see without disassemble the phone, and the LCM, Main and Sub LCD, which is

possible to see when the U-Cover.

Fig. 1.2.1

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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

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Company Internal ©Sony Ericsson Mobile Communications AB

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2 Appearance 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 damage 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.

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3 Network/Signal Problems

Problem Area Items to Check Repair Action Reference Image

Before proceeding !Perform an update content refresh.

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

•If damaged – Send it to electrical

repair location.

No Signal or Poor

Signal

Visually inspect antenna connectors •If damage – Send the unit to an

electrical repair location.

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Company Internal ©Sony Ericsson Mobile Communications AB

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4 On/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 is detected, refer to the

“Display Problems”, chapter 7.

Before proceeding !•Perform an update content refresh.

Visually inspect the contact pads on

the Battery

•If dirty or oxidized – Clean them.

•If damaged – Replace the Battery.

Problem area

Visually inspect the Battery

Connector

•If dirty or oxidized – Clean it.

Note: Be careful not to damage the

Connector pins.

•If damaged – Send the unit to an

electrical repair location.

Trouble Shooting Guide, Mechanical

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Company Internal ©Sony Ericsson Mobile Communications AB

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Problem Area Items to Check Repair Action Reference Image

Visually inspect the power key •If damaged – Replace the keypad.

Visually inspect the Dome Foil •If damaged – Replace it.

If the issue has not been resolved •Handle the unit according to local

directives.

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