Gyroscope .................... 33 1.17.1 Gyroscope test fails .................. 33 1.18 Ambient Light Sensor ................. 34 1.18.1 Light Sensor malfunctions ............... 34 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 2(65)
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Data transfer via System Connector fails ..........63 1.37 Hall element ..................64 1.37.1 Hall element test fails ................64 Revision History ................65 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 3(65)
2. If dirty or oxidized – clean it. 3. If the BtB contact on Battery or Battery is damaged – replace Battery. Check: Inspect the on/off key. Action: Refer to section 1.2.3 ‘On/Off Key’. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 4(65)
Inspect the volume key (a) and volume key switch (b). Action: 1. If dirty – clean them. 2. If the volume key is damaged – replace the Front Assembly. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 5(65)
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2. If dirty or oxidized – clean it. 3. If the FPC of the FPC Key PBA is damaged – replace the FPC Key PBA. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 6(65)
1. If dirty – clean them. 2. If the on/off key is damaged – replace the Front Assembly. 3. If the on/off key switch is damaged – replace the FPC Audio Jack. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 7(65)
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2. If dirty or oxidized – clean it. 3. If the connector or FPC of FPC Audio Jack is damaged – replace the FPC Audio Jack. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 8(65)
PBA to Main PBA and PBA Complete Sub. Action: 1. If not properly connected – disconnect and reconnect it. 2. If dirty or oxidized – clean the both sides of the BtB connector. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 9(65)
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Troubleshooting Guide (mech) 3. If the FPC Assembly Relay SUB PBA is damaged – replace the FPC Assembly Relay SUB PBA. 4. Replace PBA Complete Sub. 5. Replace Main PBA 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 10(65)
3. If the BtB connector of FPC Assembly Relay LCD PBA is damaged – replace the FPC Assembly Relay LCD PBA. 4. Replace Front Assembly. 5. Replace Main PBA 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 11(65)
Inspect the RGB LED light guide on the Front Assembly. Action: 1. If dirty – clean it. 4. If the RGB LED of Main PBA is damaged – replace main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 12(65)
Inspect the contact pins of Loudspeaker and the contact pads on the FPC Assembly SIM. Action: 1. If dirty – clean them. 2. If the contact pins of Loudspeaker are damaged – replace the Loudspeaker. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 13(65)
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3. If the connector of FPC Assembly SIM is damaged – replace it. 4. If the connector of PBA Complete SUB is damaged – replace the PBA Complete SUB. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 14(65)
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– replace FPC Assembly Relay SUB PBA 4. If the connector of PBA Complete SUB is damaged – replace the PBA Complete SUB. 5. Replace main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 15(65)
Inspect the contact pins of Loudspeaker and the contact pads on the FPC Assembly USB PBA. Action: 1. If dirty – clean them. 2. If the contact pins of Loudspeaker are damaged – replace the Loudspeaker. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 16(65)
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2. If dirty or oxidized – clean the both sides of the BtB connector. 2. If the connector of FPC Assembly USB PBA is damaged – replace the FPC Assembly USB PBA. 3. Replace main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 17(65)
Troubleshooting Guide (mech) Problem Areas Earphone Ear Speaker N/A. No earphone functionality in the product. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 18(65)
FPC Assembly Top PBA. Check: Inspect the Carrier holder Mic (a) and the microphone cushion (b) on the Front Assembly. Action: 1. If dirty or clogged – clean them. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 19(65)
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Inspect the microphone on the FPC Assembly Top PBA. Action: 1. If dirty – clean it. 2. If the microphone is damaged – replace FPC Assembly Top PBA. 3. Replace PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 20(65)
Troubleshooting Guide (mech) Problem Areas 1.8.2 Secondary Microphone N/A. No secondary microphone in the product. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 21(65)
Troubleshooting Guide (mech) Problem Areas Vibrator 1.9.1 Vibrator not generating alerts N/A. No vibrator in the product. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 22(65)
2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the BtB connector or the Main Camera is damaged – replace the Main Camera. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 23(65)
2. If dirty or oxidized – clean the both sides of the BtB connector. 2. If the BtB connector or chat camera is damaged – replace the chat camera. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 24(65)
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2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the connector of FPC Assembly Top PBA is damaged – replace FPC Assembly Top PBA. 4. Replace main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 25(65)
Troubleshooting Guide (mech) Problem Areas 1.11 Flash LED 1.11.1 Flash LED not flashing N/A. No Flash LED in the product. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 26(65)
Action: 1. If dirty or oxidized – clean the pad and pin. 2. If the contact pad is damaged – replace the GPS antenna. 3. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 27(65)
2. If dirty or oxidized – clean it. 3. If the BtB connector or the FPC Assembly Relay SUB PBA is damaged – replace the FPC Assembly Relay SUB PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 28(65)
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2. If dirty or oxidized – clean it. 3. If the BtB connector or the FPC Assembly Relay SUB PBA is damaged – replace the FPC Assembly Relay SUB PBA. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 29(65)
Action: 1. If dirty or oxidized – clean the pad and pin. 2. If the contact pad is damaged – replace the GPS antenna. 3. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 30(65)
Troubleshooting Guide (mech) Problem Areas 1.15 Compass 1.15.1 Compass fails Action: Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 31(65)
Troubleshooting Guide (mech) Problem Areas 1.16 Accelerometer 1.16.1 Accelerometer test fails Action: 1. Do an calibration according to chapter 3.2 in 1274-7274 Test Instruction – mechanical 2. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 32(65)
Troubleshooting Guide (mech) Problem Areas 1.17 Gyroscope 1.17.1 Gyroscope test fails Action: 1. Do an calibration according to chapter 3.1 in 1274-7274 Test Instruction – mechanical 2. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 33(65)
Check: Inspect the light sensor on the FPC Assembly Top PBA. Action: 1. If dirty – clean it. 2. If damaged – replace the FPC Assembly Top PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 34(65)
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2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the connector of FPC Assembly Top PBA is damaged – replace FPC Assembly Top PBA. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 35(65)
Troubleshooting Guide (mech) Problem Areas 1.19 Proximity Switch 1.19.1 Proximity switch malfunctions N/A. No proximity functionality in the product. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 36(65)
Troubleshooting Guide (mech) Problem Areas 1.20 Pressure Sensor 1.20.1 Pressure Sensor test fails N/A. No pressure sensor on Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 37(65)
1. If dirty – clean it. 2. If not properly assembled – disassemble and reassemble 3. If the Cap Audio Jack Assy is damaged – replace it. Run the Water Resistance Test again! 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 38(65)
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1. If dirty – clean it. 2. If not properly assembled – disassemble and reassemble 3. If the Cap USB Assembly is damaged – replace it. Run the Water Resistance Test again! 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 39(65)
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1. If dirty – clean it. 2. If not properly assembled – disassemble and reassemble 3. If the Back Panel Assy is damaged – replace it. Run the Water Resistance Test again! 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 40(65)
Troubleshooting Guide (mech) Problem Areas 1.22 Real Time Clock 1.22.1 Real time clock test fails Action: Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 41(65)
Troubleshooting Guide (mech) Problem Areas 1.23 Total call time 1.23.1 Total call time fails Action: Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 42(65)
PBA to Main PBA and PBA Complete Sub. Action: 1. If not properly connected – disconnect and reconnect it. 2. If dirty or oxidized – clean the both sides of the BtB connector. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 43(65)
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3. If the BtB connector of FPC Assembly Relay SUB PBA is damaged – replace the FPC Assembly Relay SUB PBA. 4. Replace PBA Complete Sub 5. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 44(65)
Troubleshooting Guide (mech) Problem Areas 1.25 Security 1.25.1 Security fails Action: Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 45(65)
2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the BtB connector or FPC of FPC Audio Jack is damaged – replace the FPC Audio Jack. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 46(65)
Troubleshooting Guide (mech) Problem Areas 1.27 Battery Health test 1.27.1 Battery Health test fails Action: Replace the battery. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 47(65)
Troubleshooting Guide (mech) Problem Areas 1.28 Flip Slider Counter 1.28.1 Flip Slider Counter fails Action: N/A. No slider functionality in the product. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 48(65)
Troubleshooting Guide (mech) Problem Areas 1.29 Verify Certificates 1.29.1 Verify Certificates fails Action: 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 49(65)
2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the BtB connector or FPC of the FPC Assembly USB PBA is damaged – replace the FPC Assembly USB PBA. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 50(65)
2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the BtB connector or FPC of the FPC Assembly USB PBA is damaged – replace the FPC Assembly USB PBA. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 51(65)
3. If the contact pins on PBA Antenna LTE are damaged – replace PBA Antenna LTE. Check: Inspect the connector of RF Cable to PBA Antenna LTE. Action: 1. If not properly connected – disconnect and reconnect it. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 52(65)
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3. Replace Main PBA. Check: Inspect the contact pins on Main PBA and contact pads on Diversity antenna. Action: 1. If dirty or oxidized – clean the pins and pads. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 53(65)
Inspect the contact pins on Main PBA and contact pads on Diversity antenna. Action: 1. If dirty or oxidized – clean the pins and pads. 2. If the contact pads are damaged – replace the Diversity antenna. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 54(65)
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Troubleshooting Guide (mech) Problem Areas 3. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 55(65)
Note the orientation of the SIM card to be assembled! 2. Insert the Card Connector Tray into the holder. Note the orientation of the Card Connector Tray to be assembled! 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 56(65)
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2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the BtB connector of FPC Assembly Relay SUB PBA is damaged – replace the FPC Assembly Relay SUB PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 57(65)
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Troubleshooting Guide (mech) Problem Areas 4. Replace PBA Complete Sub 5. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 58(65)
Inspect the connector of the Battery to main PBA. Action: 1. If not properly connected – disconnect and reconnect it. 2. If dirty or oxidized – clean the both sides of the BtB connector. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 59(65)
1. If not properly connected – disconnect and reconnect it. 2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the FPC Assembly Charge PBA is damaged – replace 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 60(65)
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1. If dirty or oxidized – clean the pins and pads. 2. If the pins of FPC Assembly Charge PBA are damaged – replace the FPC Assembly Charge PBA. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 61(65)
2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the Audio Jack is damaged – replace the FPC Audio Jack. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 62(65)
2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the BtB connector or FPC of the FPC Assembly USB PBA is damaged – replace the FPC Assembly USB PBA. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 63(65)
2. If dirty or oxidized – clean the both sides of the BtB connector. 3. If the connector of FPC Assembly Top PBA is damaged – replace FPC Assembly Top PBA. 4. Replace Main PBA. 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 64(65)
Troubleshooting Guide (mech) Revision History Rev. Date Changes / Comments 2013-May-08 Initial release 1274-7272 Rev 1 Sony Mobile Communications AB – Company Internal 65(65)
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