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Sony Ericsson ELM J10, Troubleshooting Manual, Page: 22 / 25

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Trouble Shooting Guide Repair Instruction Mechanical/   

1235-7834

  Rev 2

 

 Sony Ericsson Mobile Communications AB 

– Company Internal                                                        22(25) 

 

 

Problem Areas 

 

1.16  Network & Signal 

1.16.1 No/Poor signal 

Check: 

Inspect the connection of contact pin on the back of the 
Display 2.2 TFT (a) and contact pad on the PBA (b) 

Action: 

1. If the contact pins are flattened 

– gently use the Flex Film 

Assembly Tool to lift them up higher than the surface 

2. If the contact pin / contact pad dirty or oxidized 

– clean 

the contact pin / contact pad 

 

 

Check: 

Ensure that a correct SIM is installed 

Action: 

Send to higher level of repair 
 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for ELM J10

Page 1: ...1235 7834 Rev 2 Sony Ericsson Mobile Communications AB Company Internal Troubleshooting Guide mechanical ELM J10 J10i2 ...

Page 2: ...0 only 11 1 7 Flash LED 13 1 7 1 Flash LED not flashing 13 1 8 Accelerometer 14 1 8 1 Accelerometer test fails 14 1 9 Memory Card 15 1 9 1 Memory Card not detected 15 1 9 2 Memory Card is stuck in the holder 15 1 10 FM Radio 16 1 10 1 No Poor FM Radio reception 16 1 11 Real Time Clock 17 1 11 1 Real Time Clock test fails 17 1 12 SIM 18 1 12 1 SIM not detected 18 1 12 2 Incorrect SIM indicated 18 1...

Page 3: ...Trouble Shooting Guide Repair Instruction Mechanical 1235 7834 Rev 2 Sony Ericsson Mobile Communications AB Company Internal 3 25 1 18 1 Data transfer via System Connector fails 24 2 Revision History 25 ...

Page 4: ...ination is detected refer to section 1 2 Display Check Inspect the contact pads on the Battery Action 1 If dirty or oxidized clean the pads 2 If damaged replace the Battery Check Inspect the Battery Connector Action 1 If dirty or oxidized clean the connector 2 If adhesive is detected on the contact pins use an eraser to gently rub off the adhesive 3 If damaged send to higher level of repair Check ...

Page 5: ... section 1 1 Power Check Inspect the connector Action 1 If not properly connected disconnect and reconnect it 2 If dirty or oxidized clean the male and female sides of the connector Check Inspect the contact pin on the back of the Display 2 2 TFT a and contact pad on the PBA b Action 1 If the contact pins are flattened gently use the Flex Film Assembly Tool to lift them up higher than the surface ...

Page 6: ...ace it 3 Send to higher level of repair 1 3 2 Side keys Check Inspect the key causing the fault Action 1 If dirty or clogged clean it 2 Reinstall the PBA and ensure both the Volume Key and the Camera Key are properly located in relation to the keys switches on the PBA 3 If the connector is not properly connected disconnect and reconnect it 4 If the Camera Key FPC is damaged replace it 5 If the Vol...

Page 7: ... damaged change the Front Cover Assy 3 Send to higher level of repair Check Inspect the Microphone 2 s external port on the back Action 1 If clogged clean the port 2 If damaged change the Carrier Assy 3 Send to higher level of repair 1 4 2 Receiver Check Inspect the Receiver s external port Action If clogged clean it or replace the Front Cover Assy Check Inspect the Receiver Action If not properly...

Page 8: ...Receiver FPC is damaged replace it 3 Send to higher level of repair 1 4 3 Loudspeaker Check Inspect the Loudspeakers external port on the Antenna Cover Action 1 If clogged clean the speaker port 2 If damaged replace the Antenna Cover Check Inspect the Speaker Mesh Action 1 If dirty or clogged clean it 2 If damaged replace it Check Inspect the Loudspeakers external port on the Carrier Assy Action 1...

Page 9: ...pany Internal 9 25 Problem Areas Audio Check Inspect the contact pads on the Loudspeaker a and the contact pins on the PBA b Action If the contact pins contact pads dirty or oxidized clean the contact pins contact pads Check Inspect the Loudspeaker Action 1 If damaged replace it 2 Send to higher level of repair ...

Page 10: ... Problem Areas 1 5 Vibrator 1 5 1 Vibrator not generating alerts Check Inspect the contact pins on the vibrator a and the contact pads on the PBA b Action If the contact pins contact pads dirty or oxidized clean the contact pins contact pads Check Inspect the Vibrator Action 1 If damaged replace it 2 Send to higher level of repair ...

Page 11: ...k Inspect the camera window Action 1 If dirty clean the window 2 If scratched or damaged replace the Carrier Assy Check Inspect whether the Camera is properly attached Action 1 If not properly attached reinstall it 2 If the Camera is damaged replace it 3 Send to higher level of repair 1 6 2 VGA Camera defects J10 only Check Inspect the VGA Camera window Action 1 If dirty clean the window ...

Page 12: ...e Communications AB Company Internal 12 25 Problem Areas 2 If scratched or damaged replace the Front Cover Check Inspect the VGA Camera Action 1 If the connector is not properly connected disconnect and reconnect it 2 If the VGA Camera is damaged replace it 3 Send to higher level of repair ...

Page 13: ...ting Guide Repair Instruction Mechanical 1235 7834 Rev 2 Sony Ericsson Mobile Communications AB Company Internal 13 25 Problem Areas 1 7 Flash LED 1 7 1 Flash LED not flashing Action Send to higher level of repair ...

Page 14: ...g Guide Repair Instruction Mechanical 1235 7834 Rev 2 Sony Ericsson Mobile Communications AB Company Internal 14 25 Problem Areas 1 8 Accelerometer 1 8 1 Accelerometer test fails Action Send to higher level of repair ...

Page 15: ...nternal 15 25 Problem Areas 1 9 Memory Card 1 9 1 Memory Card not detected Check Inspect the Memory Card holder Action 1 If dirty or oxidized clean the holder 2 Send to higher level of repair 1 9 2 Memory Card is stuck in the holder Action 1 Gently pull the Memory Card out with fingers 2 Send to higher level of repair ...

Page 16: ...235 7834 Rev 2 Sony Ericsson Mobile Communications AB Company Internal 16 25 Problem Areas 1 10 FM Radio 1 10 1 No Poor FM Radio reception Check Inspect the System Connector Action 1 If dirty or oxidized clean the connector 2 Send to higher level of repair ...

Page 17: ...uide Repair Instruction Mechanical 1235 7834 Rev 2 Sony Ericsson Mobile Communications AB Company Internal 17 25 Problem Areas 1 11 Real Time Clock 1 11 1 Real Time Clock test fails Action Send to higher level of repair ...

Page 18: ...12 1 SIM not detected Check Inspect the SIM holder Action 1 If dirty or oxidized clean the holder 2 Send to higher level of repair 1 12 2 Incorrect SIM indicated Check Check whether the phone is locked to a particular operator and whether the correct operator SIM is being used Action 1 Use a proper operator SIM or test SIM 2 Send to higher level of repair ...

Page 19: ... the contact pads of the Battery Action 1 If dirty or oxidized clean the pads 2 If damaged replace the Battery Check Inspect the Battery Connector Action 1 If dirty or oxidized clean the connector 2 If adhesive is detected on the contact pins use an eraser to gently rub off the adhesive Check Inspect the system connector Action 1 If dirty or oxidized clean the connector 2 Send to higher level of r...

Page 20: ... LAN connection failure Check Inspect the connection of two contact pins on the back of the Display 2 2 TFT a and contact pads on the PBA b Action 1 If the contact pins are flattened gently use the Flex Film Assembly Tool to lift them up higher than the surface 2 If the contact pins contact pads dirty or oxidized clean the contact pins contact pads 3 Send to higher level of repair ...

Page 21: ...PS malfunctions Check Inspect the connection of two contact pins on the back of the Display 2 2 TFT a and contact pads on the PBA b Action 1 If the contact pins are flattened gently use the Flex Film Assembly Tool to lift them up higher than the surface 2 If the contact pins contact pads dirty or oxidized clean the contact pins contact pads 3 Send to higher level of repair ...

Page 22: ... Inspect the connection of contact pin on the back of the Display 2 2 TFT a and contact pad on the PBA b Action 1 If the contact pins are flattened gently use the Flex Film Assembly Tool to lift them up higher than the surface 2 If the contact pin contact pad dirty or oxidized clean the contact pin contact pad Check Ensure that a correct SIM is installed Action Send to higher level of repair ...

Page 23: ...v 2 Sony Ericsson Mobile Communications AB Company Internal 23 25 Problem Areas 1 17 HandsFree by Wire 1 17 1 Connection to Portable HandsFree fails Check Inspect the system connector Action 1 If dirty or oxidized clean the connector 2 Send to higher level of repair ...

Page 24: ... 2 Sony Ericsson Mobile Communications AB Company Internal 24 25 Problem Areas 1 18 Data Communication 1 18 1 Data transfer via System Connector fails Check Inspect the system connector Action 1 If dirty or oxidized clean the connector 2 Send to higher level of repair ...

Page 25: ...e Repair Instruction Mechanical 1235 7834 Rev 2 Sony Ericsson Mobile Communications AB Company Internal 25 25 2 Revision History Rev Date Changes Comments 1 2010 Mar 08 Initial release 2 2011 Apr 18 Updated SIM reader Tape ...

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