Sony Ericsson Z200 Bedienungsanleitung

Trouble shooting Guide, SP/Mechanical

4/00021-1/FEA 209 544/81 A

Sony Ericsson Mobile Communications AB

42/1

Trouble Shooting Guide, SP/Mechanical

Applicable for Z200/Z208

Contents

1Explanations ....................................................................................................................2

1.1 Service function in the software ........................................................................2

1.2 Liquid damage ................................................................................................... 2

1.2.1 Water Damage Indicator....................................................................................2

1.2.2 Action ................................................................................................................3

2Network Problems ..........................................................................................................4

3On/Off problems .............................................................................................................5

4Audio problems ...............................................................................................................7

4.1 Loudspeaker Assy (Polyphonic)........................................................................7

4.2 Microphone Assy...............................................................................................7

5Display/Illumination problems ......................................................................................8

6Capacity/Charging Problems.........................................................................................9

6.1 Charging ............................................................................................................9

6.2 Capacity.............................................................................................................9

7SIM Problems................................................................................................................10

8Key Problems ................................................................................................................11

9Alert Problems ..............................................................................................................12

10 Data Communication Problems...................................................................................13

11 Infrared Port Problems ................................................................................................14

12 Flip Problems ................................................................................................................15

13 Software Problems ........................................................................................................ 16

14 Revision History............................................................................................................17

Trouble shooting Guide, SP/Mechanical

4/00021-1/FEA 209 544/81 A

Sony Ericsson Mobile Communications AB

2(17)

1 Explanations

The Go / No Go test has to be performed with a mounted phone.

1.1 Service function in the software

The service menu will be accessed with the following key combination.

→＊←←＊←＊

There are as follows:

1. Service info

2. Service settings

3. Service tests

4. Text labels

In the software of the phone there is a built in service functionality that allows you to test

some of the functions of the phone. (See point 3 above) This is how it looks:

1. Display

2. LED/Illumination

3. Keyboard

4. Buzzer

5. Earphone

6. Microphone

7. Vibrator

8. Real time clock

9. Flip counter

10. Total call time

1.2 Liquid damage

1.2.1 Water Damage Indicator

In the phone there is placed a Water Damage Indicator that can give you a hint to see

if the phone is damage by liquid or not. This Water Damage Indicator is located near

the SIM reader (Fig.1.1) and it is possible to see it without disassemble the phone.

Trouble shooting Guide, SP/Mechanical

4/00021-1/FEA 209 544/81 A

Sony Ericsson Mobile Communications AB

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Fig1.1

On the pictures below you will see the difference between a Water Damage Indicator

that has been in contact with liquid (Fig.1.3) and one which has not been exposed to

liquid (Fig.1.2)

This Water Damage Indicator has not been in

contact with liquid.

Fig1.2

This Water Damage Indicator has been in

contact with liquid. The colour has been

changed, the red dots has turn into pink dots. In

this case you should check the phone for liquid

damage.

Fig1.3

1.2.2 Action

Make a general visual inspection for corrosion or oxidation from possible liquid

damage. No further action should be taken for a liquid damaged phone. Handle the

unit according to local company or GSP directives.

Trouble shooting Guide, SP/Mechanical

4/00021-1/FEA 209 544/81 A

Sony Ericsson Mobile Communications AB

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2 Network Problems

• Make a general visual inspection for corrosion, oxidation or mechanical damage

according to point 1.2.

• Check that the antenna flex film is properly fitted and undamaged, dirty, or oxidized.

(Fig.2.1). Replace the antenna flex film if necessary.

• Check that the Antenna Connector (Fig 2.2) is not mechanical damaged, dirty or

oxidized. Replace it if necessary.

• Check that the Antenna Connector and Antenna Flex film (Fig2.3) is well connected.

If the failure still occurs, handle the unit according to the local company or the GSP

directives.

Fig 2.1 Fig 2.2

Fig2.3

Trouble shooting Guide, SP/Mechanical

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Sony Ericsson Mobile Communications AB

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3 On/Off problems

• Make a general visual inspection for oxidation, corrosion or liquid damage according to

point 1.2.

• Check that the battery pads (Fig.3.1.) are not mechanical damaged, dirty or oxidized. If

necessary replace the battery.

• Check that the Battery Connectors (Fig.3.2.) are not mechanical damaged, dirty or

oxidized. Replace it if necessary.

• Check the Keypad or Dome Foil or “On” key (Fig.3.3) is not mechanical damaged dirty

or oxidized. Replace or clean it if necessary.

• Check that the System Connector (Fig.3.4) is not incorrectly soldered, mechanical

damaged, dirty or oxidized. Replace it if necessary.

• Check that the battery connector pads (Fig.3.5.) are not dirty or oxidized. Clean them if

necessary.

If the failure still occurs, handle the unit according to the local company or the GSP

directives.

Trouble shooting Guide, SP/Mechanical

4/00021-1/FEA 209 544/81 A

Sony Ericsson Mobile Communications AB

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Fig.3.1 Fig.3.2

Fig.3.3 Fig.3.4

Fig.3.5

Trouble shooting Guide, SP/Mechanical

4/00021-1/FEA 209 544/81 A

Sony Ericsson Mobile Communications AB

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4 Audio problems

• Make a general visual inspection for oxidation or corrosion from liquid damage

according to point 1.2.

4.1 Loudspeaker Assy (Polyphonic)

• Turn on the phone. Go to service test menu; choose “5.Earphone” press any key to check

that the Earphone Assy is working properly.

• Check that the Earphone Assy pads (Fig 4.1) are not dirty or oxidized. Clean them if

needed.

• Check that the Earphone Assy (Fig.4.2) is not mechanical damaged, dirty or oxidized.

Replace it if necessary.

Fig.4.1 Fig.4.2

4.2 Microphone Assy

• Turn on the phone. Go to service test menu; choose “6.Microphone” (an audio loop is

activated) check that the Microphone Assy is working properly.

• Check that the Microphone Connector (Fig.4.3) is not oxidized. Replace it if necessary.

• Check that the Microphone Assy (Fig.4.4) is not mechanical damaged, dirty or oxidized.

Replace it if necessary.

Fig.4.3 Fig.4.4

If the failure still occurs, handle the unit according to the local company or the GSP

directives.

Trouble shooting Guide, SP/Mechanical

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Sony Ericsson Mobile Communications AB

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5 Display/Illumination problems

• Make a general visual inspection for corrosion or oxidation from liquid damage

according to point 1.2.

• Turn the phone on. Check the LCD and the illumination. The illumination is lightened

when the phone starts and will continue for approximately 20 seconds if the

settings/Display/Light/Automatic is selected.

• Turn the phone on. Go to service test menu; choose “1.Display”. You should see a

pattern, check that no lines or pixels are missing, and that there is no discolouration. If

necessary replace the Main Display Assy.

• If all segments are missing check that the LCD connector (Fig.5.1 & Fig.5.2) and Flex

film (BTB to FPC) (Fig 5.3) are not mechanical damaged, dirty or oxidized. Replace the

Upper PCB Assy (Fig 5.4) or Flex film (BTB to FPC) if necessary.

• Turn the phone on. Go to service test menu; choose “2.LED/Illumination”. The

illumination should start flashing~1Hz.

• Check that all 16 Keypad LEDs have the same illumination strength.

• Check that both Displays are lighting up properly. Replace the Upper PCB Assy or the

Main Display if necessary.

• Check that the top led is flashing (red light).

If the failure still occurs, handle the unit according to the local company or the GSP

directives.

Note: When replacing the displays the contrast should be checked. If necessary, adjust the

contrast in service settings menu. Remember to store the setting with”YES”.

Fig.5.1 Fig.5.2

Fig 5.3 Fig 5.4

Trouble shooting Guide, SP/Mechanical

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Sony Ericsson Mobile Communications AB

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6 Capacity/Charging Problems

• Make a general visual inspection for oxidation or corrosion from liquid damage

according to point 1.2.

6.1 Charging

• Insert a working battery and connect a working charger to the phone. If the battery

voltage is too low, you must charge the battery without turning on the phone (this will

usually take less than 10 minutes) and when the battery voltage is high enough the phone

will be able to turn on and show charging in the display.

• Check that the system connector (Fig.5.1) is incorrectly soldered, not mechanical

damaged, dirty or oxidized. Replace it if necessary.

If the failure still occurs, handle the unit according to the local company or the GSP

directives.

Fig.5.1

6.2 Capacity

• The standby time will be reduced if the backlight is turned on all the time, or if the

infrared port is turned on.

Trouble shooting Guide, SP/Mechanical

4/00021-1/FEA 209 544/81 A

Sony Ericsson Mobile Communications AB

10(17)

7 SIM Problems

• Make a general visual inspection for corrosion or oxidation from liquid damage

according to point 1.2.

• Insert a SIM card with known function. If the display shows “Insert card” there is a SIM

problem. If it shows “Insert correct card” the phone might be SIM locked. In this case

use a test SIM card.

• Check that the SIM reader (Fig.7.1) is incorrectly soldered, not mechanical damaged,

dirty or oxidized. Replace it if necessary.

If the failure still occurs, handle the unit according to the local company or the GSP

directives.

Fig.7.1

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