Sony Xperia miro Troubleshooting Manual
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Sony Xperia miro Troubleshooting Manual

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Troubleshooting Guide
- mechanical -
TM
Xperia
miro
ST23i,ST23a
1266-5137 Rev 2
Sony Mobile Communications AB – Company Internal

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  • Page 1 Troubleshooting Guide - mechanical - Xperia miro ST23i,ST23a 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal...

  • Page 2: Table Of Contents

    1.17 Total call time ..................29 1.17.1 Total call time fails ..................29 1.18 External Memory ................30 1.18.1 Memory Card not detected ............... 30 1.19 Security ....................31 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 2(43)
  • Page 3 1.27 Data Communication ................. 41 1.27.1 Data transfer via System Connector fails ..........41 1.28 FlashLED .................... 42 1.28.1 FlashLED not flashing ................42 Revision History ................43 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 3(43)

  • Page 4: Problem Areas

    3. If damaged – replace board. Check: Inspect the Key Power (a) and the key power switch (b). Action: 1. If dirty – clean them. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 4(43)
  • Page 5 Troubleshooting Guide (mech) Problem Areas: Power 2. If the Key Power is damaged – replace it. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 5(43)

  • Page 6: Keys

    Inspect the Key Volume (a) and the key volume switch (b). Action: 1. If dirty – clean them. 2. If the Key Volume is damaged – replace it. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 6(43)

  • Page 7: Key Power

    Inspect the Key Power (a) and the key power switch (b). Action: 1. If dirty – clean them. 2. If the Key Power is damaged – replace it. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 7(43)

  • Page 8: Touch Screen

    2. If dirty or oxidized – clean it. 3. If the touch screen or the FPC of the Cover Front Assy is damaged – replace the Cover Front Assy. 4. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 8(43)

  • Page 9: Display

    2. If dirty or oxidized – clean it. 3. If the display or the FPC of the Cover Front Assy is damaged – replace the Cover Front Assy. 4. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 9(43)

  • Page 10: Led/Illumination

    Sensor on the Cover Front Assy. Action: 1. If dirty or clogged – clean them. 2. If the Rubber Proximity Sensor is damaged – replace it. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 10(43)

  • Page 11: Menu Key, Home Key And Back Key Illumination

    Cover Front Assy. Action: 1. If dirty– clean them. 2. If the ZIF connector or the LED of the Sub Board Assy is damaged – replace the Sub Board Assy. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 11(43)
  • Page 12 1. If not properly connected – disconnect and reconnect. 2. If dirty or oxidized – clean it. 2. If the FPC Link is damaged – replace the FPC Link. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 12(43)

  • Page 13: Speaker

    Inspect the mesh of the Speaker on the Rear Cover Assy. Action: 1. If dirty – clean it. 2. If the mesh is damaged – replace the Rear Cover Assy. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 13(43)
  • Page 14 2. If dirty or oxidized – clean it. 3. If the pads or the ZIF connector of the Sub Board Assy is damaged – replace the Sub Board Assy. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 14(43)
  • Page 15 1. If not properly connected – disconnect and reconnect. 2. If dirty or oxidized – clean it. 3. If the FPC Link is damaged – replace it. 4. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 15(43)

  • Page 16: Earphone

    Inspect the Receiver’s pins and the pads on the PBA. Action: 1. If dirty – clean them. 2. If the pins are damaged – replace the Receiver. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 16(43)

  • Page 17: Microphone

    Inspect the Microphone on the Sub Board Assy and the Rubber Mic on the Rear Cover Assy. Action: 1. If dirty – clean them. 2. If the Rubber Mic is damaged – replace it. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 17(43)
  • Page 18 1. If not properly connected – disconnect and reconnect. 2. If dirty or oxidized – clean it. 3. If the FPC Link is damaged – replace it. 4. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 18(43)

  • Page 19: Vibrator

    2. If dirty or oxidized – clean it. 3. If the pads or the ZIF connector of the Sub Board Assy is damaged – replace the Sub Board Assy. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 19(43)
  • Page 20 1. If not properly connected – disconnect and reconnect. 2. If dirty or oxidized – clean it. 2. If the FPC Link is damaged – replace it. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 20(43)

  • Page 21: Camera

    1. If not properly connected – disconnect and reconnect. 2. If dirty or oxidized – clean it. Check: Inspect the Camera. Action: 1. If the Camera is damaged – replace it. 2. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 21(43)

  • Page 22: Video Call Camera Defects

    Proximity Sensor on the Cover Front Assy. Action: 1. If dirty or clogged – clean it. 2. If the Rubber Proximity Sensor is damaged – replace it. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 22(43)

  • Page 23: Bluetooth And Wlan

    Rear Cover Assy and the contact pins on the PBA. Action: 1. If dirty or oxidized – clean the pads and pins. 2. If the pads are damaged – replace the Rear Cover Assy. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 23(43)

  • Page 24: Gps

    Assy and the contact pins on the PBA. Action: 1. If dirty or oxidized – clean the pads and pins. 2. If the pads are damaged – replace the Rear Cover Assy. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 24(43)

  • Page 25: Compass

    Troubleshooting Guide (mech) Problem Areas 1.13 Compass 1.13.1 Compass fails Action: Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 25(43)

  • Page 26: Accelerometer

    Troubleshooting Guide (mech) Problem Areas 1.14 Accelerometer 1.14.1 Accelerometer test fails Action: Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 26(43)

  • Page 27: Proximity Switch

    PBA and the Rubber Proximity Sensor on the Cover Front Assy. Action: 1. If dirty or clogged – clean it. 2. If the Rubber Proximity Sensor is damaged – replace it. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 27(43)

  • Page 28: Real Time Clock

    Troubleshooting Guide (mech) Problem Areas 1.16 Real Time Clock 1.16.1 Real Time Clock test fails Action: Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 28(43)

  • Page 29: Total Call Time

    Troubleshooting Guide (mech) Problem Areas 1.17 Total call time 1.17.1 Total call time fails Action: Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 29(43)

  • Page 30: External Memory

    2. If dirty or oxidized – clean it. 3. If the BtB connector or the memory holder of the FPC SIM SD is damaged – replace the FPC SIM SD. 4. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 30(43)

  • Page 31: Security

    Troubleshooting Guide (mech) Problem Areas 1.19 Security 1.19.1 Security fails Action: Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 31(43)

  • Page 32: Fm Radio

    If dirty or oxidized – clean it. Check: Inspect the audio jack on the PBA. Action: 1. If dirty or oxidized – clean it. 2. If damaged – replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 32(43)

  • Page 33: Flip Slider Counter

    Troubleshooting Guide (mech) Problem Areas 1.21 Flip Slider Counter 1.21.1 Flip Slider Counter fails Action: Not applicable. No slider phone. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 33(43)

  • Page 34: Verify Certificates

    Troubleshooting Guide (mech) Problem Areas 1.22 Verify Certificates 1.22.1 Verify Certificates fails Action: Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 34(43)

  • Page 35: Network & Signal

    Assy and contact pads on the Rear Cover Assy. Action: 1. If dirty or oxidized – clean the pads and pins. 2. If the pads are damaged – replace Rear Cover Assy. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 35(43)
  • Page 36 1. If not properly connected – disconnect and reconnect it. 2. If the RF Cable or its two connectors is damaged – replace the RF Cable. 3. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 36(43)

  • Page 37: Sim

    2. If dirty or oxidized – clean it. 3. If the BtB connector or the SIM card holder of the FPC SIM SD is damaged – replace the FPC SIM SD. 4. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 37(43)

  • Page 38: Incorrect Sim Indicated

    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. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 38(43)

  • Page 39: Charging

    2. If adhesive is detected on the contact pins – use an eraser to gently rub off the adhesive. Check: Inspect the USB connector. Action: 1. If dirty or oxidized – clean the connector. 2. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 39(43)

  • Page 40: Handsfree By Wire

    If dirty or oxidized – clean the connector. Check: Inspect the Audio Jack on the PBA. Action: 1. If dirty or oxidized – clean it. 2. If damaged – replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 40(43)

  • Page 41: Data Communication

    1.27 Data Communication 1.27.1 Data transfer via System Connector fails Check: Inspect the USB connector. Action: 1. If dirty or oxidized – clean the connector. 2. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 41(43)

  • Page 42: Flashled

    2. If the flash LED window scratched or damaged – replace the Rear Cover Assy. Check: Inspect the flash LED on the PBA. Action: 1. If dirty – clean it. 2. Replace board. 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 42(43)

  • Page 43: Revision History

    Troubleshooting Guide (mech) Revision History Rev. Date Changes / Comments 2012-Sep-7 Initial release 2012-Oct-15 Touch Panel calibration added 1266-5137 Rev 2  Sony Mobile Communications AB – Company Internal 43(43)

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St23iSt23a

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