Sony Xperia tipo ST21i Troubleshooting Manual
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Sony Xperia tipo ST21i Troubleshooting Manual

Sony Xperia tipo ST21i Troubleshooting Manual

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Troubleshooting Guide
- mechanical -
TM
Xperia
tipo
ST21i, ST21a, ST21i2, ST21a2
1266-1682 Rev 4
©
Sony Mobile Communications AB – Company Internal

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  • Page 1 Troubleshooting Guide - mechanical - Xperia tipo ST21i, ST21a, ST21i2, ST21a2 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal...

  • Page 2: Table Of Contents

    1.17.1 Water Proof fails ..................27 1.18 Real Time Clock ................. 28 1.18.1 Real Time Clock test fails ................. 28 1.19 Total call time ..................29 1.19.1 Total call time fails ..................29 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 2(44)
  • Page 3 1.32 HandsFree by Wire ................42 1.32.1 Connection to Portable HandsFree fails ..........42 1.33 Data Communication ................. 43 1.33.1 Data transfer via System Connector fails ..........43 Revision History ................44 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 3(44)

  • Page 4: Problem Areas

    1. If dirty or oxidized – clean the contact pins. 2. If adhesive is detected on the contact pins, use an eraser to gently rub off the adhesive. 3. If damaged – Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 4(44)
  • Page 5 1. If the on/off key (a) or the on/off switch (b) is dirty or clogged – clean them. 2. If the on/off key (a) is damaged – replace the Battery Cover. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 5(44)

  • Page 6: Keys

    Inspect the on/off key (a) on the Battery Cover and the on/off switch (b) on the PBA. Action: 1. If the on/off key (a) or the on/off switch (b) is dirty or clogged – clean them. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 6(44)
  • Page 7 Troubleshooting Guide (mech) Problem Areas: Keys 2. If the on/off key (a) is damaged – replace the Battery Cover. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 7(44)

  • Page 8: Touch Screen

    2. If dirty or oxidized – clean it. Check: Inspect the FPC of the Front Assy. Action: 1. If the FPC or the touch screen is damaged – replace the Front Assy. 2. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 8(44)

  • Page 9: Display

    Inspect the both sides of the ZIF connector on the Main PBA and the LCD FPC. Action: 1. If not properly connected – disconnect and reconnect. 2. If dirty or oxidized – clean it. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 9(44)
  • Page 10 Inspect the LCD TFT 3.2Inch and its FPC. Action: 1. If dirty – clean it. 2. If the LCD TFT 3.2Inch or its FPC is damaged – replace the LCD TFT 3.2Inch. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 10(44)

  • Page 11: Led/Illumination

    Front Assy. Action: 1. If dirty or clogged – clean them. 2. If the Rubber Indicator is damaged – replace the Rubber Indicator. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 11(44)

  • Page 12: Menu Key, Home Key And Back Key Illumination

    2. If dirty or oxidized – clean it. 3. If the illumination window or the FPC of the Front Assy is damaged – replace the Front Assy. 4. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 12(44)

  • Page 13: Speaker

    If the protective film of the Speaker is attached – remove it. Check: Inspect the Speaker Mesh on the Frame Antenna Assy. Action: 1. If dirty – clean it. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 13(44)
  • Page 14 Inspect the Speaker’s pins and the pads on the PBA. Note the orientation of the Speaker to be installed as shown! Action: 1. If dirty – clean them. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 14(44)
  • Page 15 Troubleshooting Guide (mech) Problem Areas: Speaker 2. If the pins of the Speaker are damaged – replace the Speaker. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 15(44)

  • Page 16: Earphone

    If the protective film of the Ear Speaker is attached – remove Check: Inspect the Ear Speaker pins and the pads on the PBA. Action: 1. If the Ear Speaker pins or the pads are dirty – clean them. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 16(44)
  • Page 17 Troubleshooting Guide (mech) Problem Areas: Earphone 2. If the Ear Speaker or its pins are damaged – replace the Ear Speaker. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 17(44)

  • Page 18: Microphone

    1. If dirty or clogged – clean them. 2. If the rubber of microphone is damaged – replace the Front Assy. 3. If the microphone is damaged – replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 18(44)

  • Page 19: Vibrator

    Troubleshooting Guide (mech) Problem Areas Vibrator 1.9.1 Vibrator not generating alerts Action: Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 19(44)

  • Page 20: Camera

    Inspect the Camera and the pins of the camera socket. Action: 1. If the Camera is damaged – replace it. 2. If the camera socket or its pins are damaged – Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 20(44)

  • Page 21: Flash Led

    Troubleshooting Guide (mech) Problem Areas 1.11 Flash LED 1.11.1 Flash LED not flashing Action: N/A. No Flash LED in this product. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 21(44)

  • Page 22: Bluetooth And Wlan

    Frame Antenna 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 Frame Antenna Assy. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 22(44)

  • Page 23: Gps

    Antenna 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 Frame Antenna Assy. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 23(44)

  • Page 24: Accelerometer

    Troubleshooting Guide (mech) Problem Areas 1.14 Accelerometer 1.14.1 Accelerometer test fails Action: Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 24(44)

  • Page 25: Ambient Light Sensor

    Troubleshooting Guide (mech) Problem Areas 1.15 Ambient Light Sensor 1.15.1 Light Sensor malfunctions Action: N/A. No Ambient Light Sensor in this product. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 25(44)

  • Page 26: Proximity Switch

    PBA. Action: 1. If dirty or clogged – clean them. 2. If the Rubber Indicator is damaged – replace it. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 26(44)

  • Page 27: Water Proof

    Troubleshooting Guide (mech) Problem Areas 1.17 Water Proof 1.17.1 Water Proof fails Action: N/A. No water proof function in the phone. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 27(44)

  • Page 28: Real Time Clock

    Troubleshooting Guide (mech) Problem Areas 1.18 Real Time Clock 1.18.1 Real Time Clock test fails Action: Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 28(44)

  • Page 29: Total Call Time

    Troubleshooting Guide (mech) Problem Areas 1.19 Total call time 1.19.1 Total call time fails Action: Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 29(44)

  • Page 30: External Memory

    Inspect the memory card holder and check if a memory card can be properly inserted. Action: 1. If dirty or clogged – clean the holder. 2. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 30(44)

  • Page 31: Security

    Troubleshooting Guide (mech) Problem Areas 1.21 Security 1.21.1 Security fails Action: Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 31(44)

  • Page 32: Fm Radio

    PBA. Action: 1. If dirty or oxidized – clean the pads and pins. 2. If the pins are damaged – replace the Audio Jack. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 32(44)

  • Page 33: Battery Test

    Troubleshooting Guide (mech) Problem Areas 1.23 Battery test 1.23.1 Battery test fails Action: N/A. No embedded battery in this product. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 33(44)

  • Page 34: Flip Slider Counter

    Troubleshooting Guide (mech) Problem Areas 1.24 Flip slider counter 1.24.1 Flip slider counter fails Action: N/A. No slider phone. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 34(44)

  • Page 35: Verify Certificates

    Troubleshooting Guide (mech) Problem Areas 1.25 Verify Certificates 1.25.1 Verify certificates fails Action: Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 35(44)

  • Page 36: Irda Test

    Troubleshooting Guide (mech) Problem Areas 1.26 IrDA Test 1.26.1 IrDA test fails Action: N/A. No IrDA in the phone. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 36(44)

  • Page 37: Hdmi Test

    Troubleshooting Guide (mech) Problem Areas 1.27 HDMI Test 1.27.1 HDMI test fails Action: N/A. No HDMI in the phone. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 37(44)

  • Page 38: Connector Ground Test

    Troubleshooting Guide (mech) Problem Areas 1.28 Connector Ground Test 1.28.1 Connector ground test fails Action: N/A. This test is not applicable for this product. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 38(44)

  • Page 39: Network & Signal

    Antenna Assy and contact pins on the PBA. Action: 1. If dirty or oxidized – clean the pads and pins. 2. If the pads are damaged – replace Frame Antenna Assy. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 39(44)

  • Page 40: Sim

    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 PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 40(44)

  • Page 41: 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 PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 41(44)

  • Page 42: Handsfree By Wire

    PBA. Action: 1. If dirty or oxidized – clean the pads and pins. 2. If the pins are damaged – replace the Audio Jack. 3. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 42(44)

  • Page 43: Data Communication

    1.33 Data Communication 1.33.1 Data transfer via System Connector fails Check: Inspect the USB connector. Action: 1. If dirty or oxidized – clean the connector. 2. Replace PBA. 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 43(44)

  • Page 44: Revision History

    Troubleshooting Guide (mech) Revision History Rev. Date Changes / Comments 2012-Jul-20 Released 2012-Jul-23 No Change 2012-Jul-24 Chapter 1.22 text update 2012-Aug-24 ST21i2 & ST21a2 added 1266-1682 Rev 4 © Sony Mobile Communications AB – Company Internal 44(44)

This manual is also suitable for:

Xperia tipo st21aXperia tipo st21i2Xperia tipo st21a2

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