Sony Ericsson Txt pro Bedienungsanleitung

1246-9261 Rev 1

©Sony Ericsson Mobile Communications AB – Company Internal

Troubleshooting Guide

- electrical -

Txt pro,CK15i,CK15a

Troubleshooting Guide (elect)

1246-9261 Rev 1

©Sony Ericsson Mobile Communications AB – Company Internal 2(16)

CONTENTS

1Troubleshooting Flow....................................................................3

1.1Display...................................................................................................3

1.2Touch..................................................................................................... 4

1.3Illumination ...........................................................................................5

1.4Keys & Sensors .................................................................................... 6

1.5Alert & RTC ...........................................................................................7

1.6Audio .....................................................................................................8

1.7On/Off ....................................................................................................9

1.8Charging & Capacity ..........................................................................10

1.9SIM .......................................................................................................11

1.10Camera ................................................................................................12

1.11Data Communication..........................................................................13

1.12Memory Stick ...................................................................................... 14

1.13Network & Signal................................................................................15

2Revision History...........................................................................16

Troubleshooting Guide (elect)

1246-9261 Rev 1

©Sony Ericsson Mobile Communications AB – Company Internal 3(16)

1 Troubleshooting Flow

1.1 Display

Symptom:

Replace: Display problem

J502, if damaged, visual check pin 1,3,5,7,9,11,13,15,17,19,21,23,25

U506, U507 or U508, if damaged

Troubleshooting Guide (elect)

1246-9261 Rev 1

©Sony Ericsson Mobile Communications AB – Company Internal 4(16)

Troubleshooting Flow

1.2 Touch

Symptom:

Replace: Touch Screen problems

J502, if damaged vision check pin 24,26,30,32

Troubleshooting Guide (elect)

1246-9261 Rev 1

©Sony Ericsson Mobile Communications AB – Company Internal 5(16)

Troubleshooting Flow

1.3 Illumination

Symptom:

Replace: No Display illumination

J502, if damaged, visual check pin 40,42,44,46,48,50

Symptom:

Replace: No Main key LED

D705, if short circuit

Q701, if damaged

D701, D702, D703, D704 if damaged

Symptom:

Replace: No Pre-charge Charge LED

J502,if damaged vision check pin 16

Q501, if damaged

Troubleshooting Guide (elect)

1246-9261 Rev 1

©Sony Ericsson Mobile Communications AB – Company Internal 6(16)

Troubleshooting Flow

1.4 Keys & Sensors

Symptom:

Replace: Power/Lock Key problems

SW704, if damaged

Symptom:

Replace: Camera Key problems

SW703, if damaged

Symptom:

Replace: Volume up key problems

SW701,if damaged

Symptom:

Replace: Volume down key problems

SW702,if damaged

Symptom:

Replace: QWERTY keys problems

D707, D708, D710,D714,D718 if short circuit

Symptom:

Replace: Proximity Sensor

U501, if damaged

Symptom:

Replace: Accelerometer problems

U503, if damaged

Symptom:

Replace: Slide/Flip Sensor

U504, if damaged

Troubleshooting Guide (elect)

1246-9261 Rev 1

©Sony Ericsson Mobile Communications AB – Company Internal 7(16)

Troubleshooting Flow

1.5 Alert & RTC

Symptom:

Replace: Vibrator problems

J605, if damaged

Q602

Symptom:

Replace: The clock has to be set after the battery has been detached

BAT201

Troubleshooting Guide (elect)

1246-9261 Rev 1

©Sony Ericsson Mobile Communications AB – Company Internal 8(16)

Troubleshooting Flow

1.6 Audio

Symptom:

Replace: No Microphone

J502 vision check pin 39

Symptom:

Replace: No Earphone

J502 vision check pin 31,33

Symptom:

Replace: No or bad Loudspeaker

D601, D603, if short circuit

L602, L604, if open

Symptom:

Replace: No Hands-free (PHF) Aux Microphone

D606, if short circuit

Symptom:

Replace: No Hands-free (PHF) Aux Earphone

D607 or D608, if short circuit

Symptom:

Replace: No Hands-free (PHF) audio – Phone not recognizes PHF set

D610, if short circuit

Symptom:

Replace: No FM Radio

D605, if short circuit

Troubleshooting Guide (elect)

1246-9261 Rev 1

©Sony Ericsson Mobile Communications AB – Company Internal 9(16)

Troubleshooting Flow

1.7 On/Off

Symptom:

Replace: Using no current when On/Off key is pressed and will not start.

J402, if damaged

SW704, if damaged

D401, if short circuit

Troubleshooting Guide (elect)

1246-9261 Rev 1

©Sony Ericsson Mobile Communications AB – Company Internal 10(16)

Troubleshooting Flow

1.8 Charging & Capacity

Symptom:

Replace: No Charging from power outlet

J402, if damaged

J403, if damaged, visual check pin1,5

D402, if short circuit

U401

U202

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