Troubleshooting Guide - KRAUSZ Informatika Bt.
Contents
1. replace it 2 Send to higher level of repair 1 2 3 On Off key Check Inspect the Key On Off Action 1 If dirty or oxidized clean it 2 If the Key On Off is damaged replace it Check Check the connection between the Key On Off a and the dome sheet on the Receiver FPC b Action Reinstall the Key On Off a to ensure the key is properly located on the Receiver FPC b Check 1 Check the BtB connector of Receiver FPC to the Main PBA 2 Inspect the Receiver FPC Action 1 If not properly connected disconnect and reconnect it 2 If dirty or oxidized clean the connector 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 8 35 Trouble Shooting Guide Repair Instruction Mechanical Problem Areas Keys 3 If the Receiver FPC is damaged replace it 4 Send to higher level of repair 1 2 4 Volume key Check Inspect the Key Volume Action If damaged replace it Check Check the connection between the Key Volume a and the Receiver FPC b Action Reinstall the Key Volume a to ensure the key is properly located on the Receiver FPC b Check 1 Check the BtB connector of Receiver FPC to the Main PBA 2 Inspect the Receiver FPC Action 1 If not properly connected disconnect and reconnect it 2 If dirty or oxidized clean the connector 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Comp2. Action 1 If dirty clean the window 2 If adhesive is detected use an eraser to gently rub off the adhesive 3 If scratched or damaged replace the Rear Cover Assy Check Inspect the Camera Action 1 If dirty clean it 2 If adhesive is detected use an eraser to gently rub off the adhesive 3 Replace the Camera 8 MPixel CMOS 4 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 20 35 Gef Sony Ericsson Problem Areas 1 8 Flash LED Trouble Shooting Guide Repair Instruction Mechanical 1 8 1 Flash LED defects Check Inspect Flash LED lens Action If dirty clean it gently Check Inspect Flash LED Action lf adhesive is detected use an eraser to gently rub off the adhesive yo N i que ad Check The connection between the SIM and MicroSD FPC and the Main PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the BtB connector 3 If damaged replace the SIM and MicroSD FPC and the two Conductive Gaskets 4 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 21 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 9 Memory Card 1 9 1 Memory Card not detected Check Inspect the Memory Card holder Actio
3. 2 on page13 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 35 35
4. 25 1 12 1 Accelerometer test TANS ss sssssssssssss ess esseee senenn ri 25 US KN EE 26 1 13 1 Proximity Sensor maulfunctions 11 s1rrsiiiieiiiii iii 26 1 13 2 Light Sensor malfunctions 1 s1rrsrrrieiiiie iii 27 1 14 Real imme eO eases cece cts ecu T E EEE 28 1 14 1 Real Hmeziecktesttailee testen 28 ER ei ld e Le Ri RS 29 119 1 Zei CT L 29 TIO NeWWork amp SIONA T 30 LIOI NO POOFSIGNAl uri ipa 30 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 2 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical rde Dia CH DY VVC E 32 1 17 1 Connection to Portable HandsFree failS 1 10000 arri 32 1 18 Data Communication sss ss ss sss sss dade ssc sese see eenn enean eena 34 1 18 1 Data transfer via Micro USB Connector fails 1 1100000r rr 34 Z REVISION AE 35 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 3 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 1 Power 1 1 1 Will not power on or will switch off randomly Check Check whether the phone vibrates and the Keyboard illuminates after the power key is depressed Action If activation of the Vibrator and the Main Key illuminates is detected refer to section 1 4 Display Check Inspect the contact pads on the Battery Ac
5. Cover Assy Action 1 If damaged replace it 2 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 14 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 5 Audio 1 5 1 Microphone Check Inspect the Microphone s external from outside Action If clogged clean the port Check Inspect the Microphone s external port Action If dirty or oxidized clean it Check Inspect the Microphone s mash Action lf damaged replace the Rear Cover Assy Check Inspect the Microphone on the Main PBA Action 1 If dirty or oxidized clean it 2 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 15 35 Gef Sony Ericsson Problem Areas Audio Trouble Shooting Guide Repair Instruction Mechanical 1 5 2 Ear Speaker Check Inspect the Ear Speaker s external port Action If clogged clean it Check Check the connection between the Receiver FPC and the Main PBA Action 1 If the BtB connectors are dirty or oxidized clean them 2 Replace the Receiver FPC 3 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 16 35 Trouble Shooting Guide Repair Instruction Mechanical Problem Areas Audio 1 5 3 Loudspeaker Check Ins
6. 26 35 Q Sony Ericsson Problem Areas Sensor Trouble Shooting Guide Repair Instruction Mechanical 1 13 2 Light Sensor malfunctions Check Check the BtB connector on both sides of the Receiver FPC and the Main PBA Action 1 If not properly connected disconnect and reconnect it 2 If dirty or oxidized clean the connector Check Inspect the Light Sensor on the Receiver FPC Action 1 If dirty or oxidized clean it 2 Replace the Receiver FPC 3 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 27 35 Q Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 14 Real Time Clock 1 14 1 Real Time Clock test fails Action Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 28 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 15 Charging 1 15 1 Battery will not charge Check Inspect the contact pads of the Battery Action 1 If dirty or oxidized clean the pad 2 If damaged replace the Battery Check Inspect the Micro USB connector Action If dirty or oxidized clean the connector lf damaged send to higher level of repair Check Inspect the Battery Connector Action 1 If dirty or oxidized clean the connector 2 If adhesive is detected use an eraser t
7. Gef Sony Ericsson Troubleshooting Guide mechanical XPERIA e K D ES W N fg emm EEN X10i X10a SO 01 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal Q Sony Ericsson Trouble TT Guide _ Instruction Mechanical i Ge e E PVCS ics cece cieseceress sete Ea OSE 4 UN WK lt UE d 1 1 1 Will not power on or will switch off random sssssssssssssssssss esse esse sss sese ses d E 6 1 2 1 MenuHomeBackKeys r rr nenes enen nenen enen 6 122 Gana ia rai 7 T23 E el eng 8 124 VOIUME KGY puoi di dita iii diari 9 1 2 Kev MIER ENN 11 1 3 1 Key Te TE Le E 11 t32 NOUNCAUON BE 12 TA sis 13 1 4 1 Graphics amp Illumination ssssssssssssssssssssss esse esse esse sese es enesenn ennenen 12 1 42 TO Ch Screen ManuncUON re 13 TS AUOIO E 15 fs WK Ali ee Le ee ee air 15 t92 Ear SOCAN OR iin a a 16 LSS e DEE E 17 dek OUER 19 1 6 1 Vibrator not generating alerts sssss sss sssssss sss ess esse sss ees esse enen enen ennenen 19 US dell H 20 TAI wei EE 20 Lo Fash BC RE 21 Tol Fash RRE CT 21 19 Memory Card EEN 22 1 9 1 Memory Card not detected crinali 22 110 SIN ene E E E 23 1 10 1 SIM not detected EE 23 1 10 2 Incorrect SIM indicated 1 11rsrrrrsiiii siii 23 ii lt T ee DE E N e E 24 1 11 1 Bluetooth W LAN GPS malfunctions rrrrriiiiiii 24 RE Loe L eT L ii i
8. any Internal 9 35 Gef Sony Ericsson Problem Areas Keys Trouble Shooting Guide Repair Instruction Mechanical 3 If the Receiver FPC is damaged replace it 4 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 10 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 3 Key Illumination 1 3 1 Key Illumination Check Inspect the LED from the outside of the phone Action 1 If clogged clean tt 2 If dirty or oxidized clean it Check Check the BtB connectors on both side of Main Key FPC and Main PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean them 3 If the Main Key FPC a is damaged replace it 4 If the Key Main b is damaged replace it 5 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal W of G Add AA up N W N N XX IN 11 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas Kev Illumination 1 3 2 Notification Check Inspect the Notification LED from the outside of the phone Action If dirty or oxidized clean it Check Inspect the Notification LED on the Receiver FPC Action If dirty or oxidized clean it Check Check the BtB connector on both sid
9. ck Check the contact between the Audio Jack Connector and Receiver FPC Action 1 If adhesive is detected use an eraser to gently rub off the adhesive 2 If the Audio Jack Connector is damaged replace it Check Check the BtB connector on both sides of the Receiver FPC and the Main PBA Action 1 If not properly connected disconnect and reconnect it 2 If dirty or oxidized clean the connector 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 32 35 Gef Sony Ericsson Problem Areas HandFree by Wire Trouble Shooting Guide Repair Instruction Mechanical 3 Replace the Receiver FPC 4 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 33 35 Q Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 18 Data Communication 1 18 1 Data transfer via Micro USB Connector fails Check Inspect the Micro USB connector Action 1 If dirty or oxidized clean the connector 2 If damaged Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 34 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical 2 Revision Histor Rev Date Changes Comments 2010 Mar 25 Initial release 2010 04 20 updated 2010 05 31 Add some comments about extra screen protector for chapter 1 4
10. es of the Receiver FPC and the Main PBA Action 1 If not properly connected disconnect and reconnect it 2 If dirty or oxidized clean the connectors 2 Replace the Receiver FPC 3 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 12 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 4 Display 1 4 1 Graphics amp Illumination Check Check whether the phone vibrates and the Keyboard illuminates after the power key is depressed Action If activation of the Vibrator and the Keyboard illumination is not detected refer to section 1 1 Power Check The connection between Display and Main PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the BtB connector 3 If the Display is damaged replace the Display and the Adhesive Frame Sub Assembly 4 Send to higher level of repair 1 4 2 Touch Screen malfunction Check Check the BtB connectors on both sides on Front Cover Assy and Main PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean it 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 13 35 Gef Sony Ericsson Problem Areas Displa Trouble Shooting Guide Repair Instruction Mechanical Check Inspect the Front
11. ged clean tt 2 If damaged replace it Check Check the connection between the Key Main and the Main Key FPC Action Reinstall the Key Main to ensure the key is properly located on the Main Key FPC Check Check the connection between the Main Key FPC and the Main PBA Action If the BtB connector is not properly connected reconnect it K A Z WA KUS N 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 6 35 Gef Sony Ericsson Problem Areas Keys Trouble Shooting Guide Repair Instruction Mechanical Check Inspect the Main Key FPC Action 1 If the Main Key FPC is damaged replace it 2 Send to higher level of repair 1 2 2 Camera key Check Inspect the Key Camera Action 1 If clogged clean tt 2 If damaged replace it Check Check the connection between the Key Camera and the Main Key FPC Action Reconnect and reinstall the Key Camera to ensure the Key Camera is properly located on the dome sheet Check Check the connection between the Main Key FPC and the Main PBA Action If the BtB connector is not properly connected reconnect it 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 7 35 Gef Sony Ericsson Problem Areas Keys Trouble Shooting Guide Repair Instruction Mechanical Check Inspect the Main Key FPC Action 1 If the Main Key FPC is damaged
12. n 1 If dirty or oxidized clean the holder 2 If adhesive is detected use an eraser to gently rub off the adhesive evo REX LE AM ei eo F Aa A Gei X Check The connection between the SIM and MicroSD FPC and the Main PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the BtB connector Check Inspect the SIM and MicroSD FPC Action 1 If damaged replace the SIM and MicroSD FPC and the two Conductive Gaskets 2 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 22 35 Gef Sony Ericsson Problem Areas Trouble Shooting Guide Repair Instruction Mechanical 1 10 SIM 1 10 1 SIM not detected Check Inspect the SIM Card holder Action 1 If dirty or oxidized clean the holder 2 If adhesive is detected use an eraser to gently rub off the adhesive yo ef A ep ye A FOA oe d Ah vi S a o E 2 KE A K A ci Si v i Check The connection between the SIM and MicroSD FPC and the Main PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the BtB connector 3 If damaged replace the SIM and MicroSD FPC and the two Conductive Gaskets 4 Send to higher level of repair 1 10 2 Incorrect SIM indicated Check Check whether
13. o gently rub off the adhesive 3 If damaged send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 29 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 16 Network amp Signal 1 16 1 No Poor signal Check Ensure that a correct SIM is installed Inspect the antenna contact pads pins on the Main Antenna and the Main PBA Action 1 If dirty or oxidized clean the pads pins 2 If adhesive is detected use an eraser to gently rub off the adhesive 3 Replace the Main Antenna 4 Check whether Shield Can Lid A1 is assembled well to connect Ground 5 If Shield can lid A1 is not well connected to Ground replace a new one 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 30 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 5 Follow the assembly sequence to press the lid 6 Put a new Shield Can MComp Sheet Lid A1 7 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 31 35 Gef Sony Ericsson Problem Areas 1 17 HandsFree by Wire Trouble Shooting Guide Repair Instruction Mechanical 1 17 1 Connection to Portable HandsFree fails Check Inspect the Audio Jack Connector Action If dirty or oxidized clean the connector Che
14. pect the Loudspeaker s external port Action If clogged clean the port Check Inspect the Loudspeaker s mash Action If damaged replace the Rear Cover Assy Check Inspect the Loudspeaker Action If dirty or oxidized clean it Check The connection between the SIM and MicroSD FPC and the Main PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the BtB connector 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 17 35 Gef Sony Ericsson Problem Areas Audio Trouble Shooting Guide Repair Instruction Mechanical Check Inspect both sides of the Loudspeaker s contact pads and pins Action 1 If adhesive is detected on the contact pads pins use an eraser to gently rub off the adhesive 2 Replace the Non Celler Antenna Speaker Box 3 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 18 35 Q Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 6 Vibrator 1 6 1 Vibrator not generating alerts Action Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 19 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 7 Camera 1 7 1 Camera defects Check Inspect the camera window
15. 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 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 23 35 Q Sony Ericsson Problem Areas Trouble Shooting Guide Repair Instruction Mechanical 1 11 Bluetooth W LAN GPS 1 11 1 Bluetooth W LAN GPS malfunctions Action Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 24 35 Q Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 12 Accelerometer 1 12 1 Accelerometer test fails Action Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 25 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 13 Sensor 1 13 1 Proximity Sensor maulfunctions Check Check the BtB connector on both sides of the Receiver FPC and the Main PBA Action 1 If not properly connected disconnect and reconnect it 2 If dirty or oxidized clean the connector Check Inspect the Proximity Sensor on the Receiver FPC Action 1 If dirty or oxidized clean it 2 Replace the Receiver FPC 3 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal
16. tion 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 Inspect the Key On Off Action 1 If dirty or oxidized clean it 2 If damaged replace it 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 4 35 Gef Sony Ericsson Problem Areas Power Trouble Shooting Guide Repair Instruction Mechanical Check Check the connection between the Key On Off a and the dome sheet on the Receiver FPC b Action Reinstall the Key On Off a to ensure the key is properly located on the Receiver FPC b Check 1 Check the BtB connector of Receiver FPC to the Main PBA 2 Inspect the Receiver FPC Action 1 If the BtB connector is not properly connected disconnect and reconnect it 2 If dirty or oxidized clean the BtB connector 3 If the Receiver FPC is damaged replace it 4 Send to higher level of repair 1230 2326 Rev 3 Sony Ericsson Mobile Communications AB Company Internal 5 35 Gef Sony Ericsson Trouble Shooting Guide Repair Instruction Mechanical Problem Areas 1 2 Keys 1 2 1 Menu Home Back Keys Check Inspect the Key Main Action 1 If clog
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