Sony Ericsson WT19a Manuale utente

1251-5712 Rev 1

Sony Ericsson Mobile Communications AB –Company Internal

1(15)

Troubleshooting Guide

- electrical -

WT19a, WT19i

Sony Ericsson Live with Walkman

Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/

1257-5712 Rev 1

Sony Ericsson Mobile Communications AB –Company Internal

2(15)

CONTENTS

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

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

1.2 Illumination .............................................................................................4

1.3 Keys & Sensors......................................................................................5

1.4 Alert.........................................................................................................6

1.5 Audio.......................................................................................................7

1.6 On/Off......................................................................................................8

1.7 Charging & Capacity ..............................................................................9

1.8 SIM.........................................................................................................10

1.9 Camera..................................................................................................11

1.10Data Communication............................................................................12

1.11Memory Stick / Card.............................................................................13

1.12Network & Signal..................................................................................14

2Revision History.............................................................................15

For general information about mechanical repair related issues, refer to

1220-1336: Generic Repair Manual –electrical

Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/

1257-5712 Rev 1

Sony Ericsson Mobile Communications AB –Company Internal

3(15)

1 Troubleshooting Flow

1.1 Display

Symptom:

Replace:

Display problems

X7100, if damaged vision check all pins

Z7800 or Z7801

Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/

1257-5712 Rev 1

Sony Ericsson Mobile Communications AB –Company Internal

4(15)

Troubleshooting Flow

1.2 Illumination

Symptom:

Replace:

No Display illumination

X7100, if damaged vision check pin 2, 3 and 5

L7600 or L7610 , if more than 1 

C7603 , if short circuit

V7601

N7600

Symptom:

Replace:

No Key Back Light

X7600, if damaged vision check pin 14-16

N7600

Symptom:

Replace:

No Right Top Light

V7602

N7600

Symptom:

Replace:

No Left Top Light

V7603

N7600

Symptom:

Replace:

No R G B MMI LED s

N7806/V1003

Symptom:

Replace:

No Flash LED

L7801,if more than 1 

Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/

1257-5712 Rev 1

Sony Ericsson Mobile Communications AB –Company Internal

5(15)

Troubleshooting Flow

1.3 Keys & Sensors

Symptom:

Replace:

On / Off key problems

S52

Symptom:

Replace:

Back Key, Menu Key and Display Touch Sensor problems

X7600, if damaged vision check pin 1-13

N5300

Symptom:

Replace:

Volume Up key problems

S110

Symptom:

Replace:

Volume Down key problems

S111

Symptom:

Replace:

Camera key problems

S112

Symptom:

Replace:

Walkman key problems

S113

Symptom:

Replace:

Proximity sensor problems

N7606/V1001 or N7606/V1002

N7606/N1001

Symptom:

Replace:

Ambient Light Sensor problems

N7806/N1

N7600

Symptom:

Replace:

Compass problems

N5401

Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/

1257-5712 Rev 1

Sony Ericsson Mobile Communications AB –Company Internal

6(15)

Troubleshooting Flow

1.4 Alert

Symptom:

Replace:

Vibrator problems

B5100

Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/

1257-5712 Rev 1

Sony Ericsson Mobile Communications AB –Company Internal

7(15)

Troubleshooting Flow

1.5 Audio

Symptom:

Replace:

No audio

L1001 ,if more than 1 

Symptom:

Replace:

No Primary Microphone

L3503 or L3504, if more than 2 

B3501

N2800

Symptom:

Replace:

No or bad Earphone / Ear speaker

L3507 or L3508 ,if more than 1 

V3511 , if X3506 or X3507 is short circuit to GND

N2800

Symptom:

Replace:

No or bad Right Loudspeaker

L3505, L3506, L3511 or L3512, if more than 2 

V3502 , if X3502 or X3503 is short circuit to GND

N3502

N2800

Symptom:

Replace

No or bad Left Loudspeaker

L3501, L3502, L3509 or L3510, if more than 2 

V3500 , if X3500 or X3504 is short circuit to GND

N3501

N2800

Symptom:

Replace:

No or bad Hands-free (PHF) Microphone

L3100 or L3604 , if more than 2 

N3600

N2800

Symptom:

Replace:

No or bad Hands-free (PHF) Aux Earphone / Ear speaker

L3100 , L3600 , L3601 , L3602or L3603 if more than 2 

N3600

N2800

Symptom:

Replace:

No Hands-free (PHF) Microphone –Phone not recognizes PHF set

L3100 , if more than 2 

N3600

Symptom:

Replace:

No or bad FM Radio

V3100

N8100

Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/

1257-5712 Rev 1

Sony Ericsson Mobile Communications AB –Company Internal

8(15)

Troubleshooting Flow

1.6 On/Off

Symptom:

Replace:

Current draw greater than 300 mA

V1700 ,if getting hot

N2801C ,if getting hot

N2903 ,N2900 or N2902 , if getting hot

Symptom:

Replace:

Current draw when powered off

C1312C

N2801C, if getting hot

N2903 ,N2900 or N2902 , if getting hot

Symptom:

Replace:

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

S52

Symptom:

Replace:

Draws current when On/Off key is pressed, returns to zero

L1000, L1003,L1004 or L2400C , if more than 1 

N2401C

Symptom:

Replace:

Others

X1300 , if damaged vision check all pins

Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/

1257-5712 Rev 1

Sony Ericsson Mobile Communications AB –Company Internal

9(15)

Troubleshooting Flow

1.7 Charging & Capacity

Symptom:

Replace:

No or bad Charging from USB

X2200, if damaged vision check pin 1 and 5

X1300 , if damaged vision check all pins

C1317 or C2200 , if X2200 pin 1 is short circuit to GND

L1300C, if more than 1 

N1303C

Symptom:

Replace:

Wrong Battery indicator

N1302

Symptom:

Replace:

Wrong Battery temperature

V1701 , if X1300 pin 2 is short circuit to GND

Symptom:

Replace:

No trickle Charging

N1602

Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/

1257-5712 Rev 1

Sony Ericsson Mobile Communications AB –Company Internal

10(15)

Troubleshooting Flow

1.8 SIM

Symptom:

Replace:

SIM not detected

X4000 , if damaged vision check all pins

V4000 or V4001, if short circuit to GND

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