Sony Ericsson WT19a Troubleshooting Manual Download Page 4

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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

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



Summary of Contents for WT19a

Page 1: ...1251 5712 Rev 1 Sony Ericsson Mobile Communications AB Company Internal 1 15 Troubleshooting Guide electrical WT19a WT19i Sony Ericsson Live with Walkman ...

Page 2: ... 1 Troubleshooting 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 2 Revision History 15 For general information about mechanical repair related issues refer to 1220 1336 Generic Repair Manual electrical ...

Page 3: ...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 ...

Page 4: ... 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 ...

Page 5: ...lace 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 problem...

Page 6: ... 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 ...

Page 7: ...mptom 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 N...

Page 8: ... 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 R...

Page 9: ...ing 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 ...

Page 10: ...l 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 ...

Page 11: ...trical Trouble Shooting Guide Electrical 1257 5712 Rev 1 Sony Ericsson Mobile Communications AB Company Internal 11 15 Troubleshooting Flow 1 9 Camera Symptom Replace Main Camera problems X7302 if damaged vision check all pins L1002 if more than 1 ...

Page 12: ...if damaged vision check pin 2 3 and 4 N2200 if X2200 pin 2 3 or 4 are short circuit to GND Z2200 if more than 4 between pin 1 2 and more than 4 between pin 3 4 Symptom Replace No Bluetooth and WLAN connection L8100 if more than 2 N8102 Symptom Replace Bad Bluetooth and WLAN connection X8420 or X8421 if damaged X8401 if more than 1 between term A and C Z8001 Symptom Replace No Bluetooth and or WLAN...

Page 13: ...uble Shooting Guide Electrical 1257 5712 Rev 1 Sony Ericsson Mobile Communications AB Company Internal 13 15 Troubleshooting Flow 1 11 Memory Stick Card Symptom Replace Memory stick Card micro SD not detected X4101 if damaged vision check pin all pins V4100 ...

Page 14: ...one through radiated wireless Go No Go testing Symptom Action Phone fails conducted RF probe Go No Go test Run the calibration routine Symptom Action Fails conducted RF probe Go No Go test but passes calibration Rerun the phone through Go No Go testing Symptom Check Replace Fails any part of the calibration routine X2801 for damage and replace if more than 1 between RF probe and C term or A and C ...

Page 15: ... Guide Repair Instruction Electrical Trouble Shooting Guide Electrical 1257 5712 Rev 1 Sony Ericsson Mobile Communications AB Company Internal 15 15 2 Revision History Rev Date Changes Comments PA1 2011 09 26 Released ...

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