Sony Ericsson XPERIA X10 Mini Pro U20a Troubleshooting Manual Download Page 17 | Manualshive

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Trouble Shooting (mech)

1233-9027 Rev2

©

Sony Ericsson Mobile Communications AB – Company Internal

17(47)

Problem Areas

1.6 Illumination

1.6.1 LED

Illumination

Check:

Inspect the window of LED red/green/blue on the Front
Cover Assembly.

Action:

1. If dirty – clean it.

2. If the window is damaged – replace the Front Cover
Assembly.

Check:

Inspect the BtB connector of the PBA H2H Flex to the 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 PBA H2H Flex.

Action:

1. If the PBA H2H Flex or its ZIF connector is damaged –
replace the PBA H2H Flex.

2. Send to higher level of repair.

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Summary of Contents for XPERIA X10 Mini Pro U20a

Page 1: ...Trouble Shooting mech 1233 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 1 47 U20i U20a XPERIA X10 Mini Pro Troubleshooting Guide mechanical ...

Page 2: ...tion 15 1 6 Illumination 17 1 6 1 LED Illumination 17 1 6 2 Keyboard Illumination 18 1 7 Speaker 20 1 7 1 Loudspeaker 20 1 8 Earphone 22 1 8 1 Earphone 22 1 9 Microphone 24 1 9 1 Microphone 24 1 10 Vibrator 25 1 10 1 Vibrator not generating alerts 25 1 11 Camera 26 1 11 1 Camera defects 26 1 12 Flash LED 27 1 12 1 Flash LED not flashing 27 1 13 Bluetooth and WLAN 28 1 13 1 Bluetooth or WLAN connec...

Page 3: ...M Radio reception 38 1 23 Network Signal 39 1 23 1 No Poor signal 39 1 24 SIM 40 1 24 1 SIM not detected 40 1 24 2 Incorrect SIM indicated 40 1 25 Charging 41 1 25 1 Battery will not charge 41 1 26 HandsFree by Wire 42 1 26 1 Connection to Portable HandsFree fails 42 1 27 Data Communication 43 1 27 1 Data transfer via System Connector fails 43 1 28 Hinge Slider 44 1 28 1 Slider stiff or stuck 44 1...

Page 4: ...etected refer to section 1 4 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 Contact pins Action 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 Check Inspect the Key lock onoff a on the Base Cover Mid...

Page 5: ...e Shooting mech 1233 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 5 47 Problem Areas Power 2 If Key lock onoff a is damaged replace the Key lock onoff 3 Send to higher level of repair h09 ...

Page 6: ...ch screen hang after sleep mode Check 1 Start the phone press Lock onoff key again to put the phone to sleep 1 minute black screen 2 Press Lock onoff key to activate the phone and test the Touch Screen by moving a finger across the screen and start some of the applications Action If no response from Touch Screen test with another front ...

Page 7: ... Keys 1 3 1 Keyboard Keys Check Inspect the Keyboard Action If damaged Replace the Keyboard Check Inspect the ZIF connector of the PBA Dome Complete to the PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the ZIF connector Check Inspect the PBA Dome Complete ...

Page 8: ...f repair 1 3 2 Menu Home and Back Keys Check Inspect the menu home and back keys in the Front Cover Assembly Action 1 If the menu home and back keys are clogged clean them 2 If menu home and back keys are damaged replace the Front Cover Assembly Check Inspect the ZIF connector of the Front Key FPC to the PBA H2H Flex Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidize...

Page 9: ... FPC or its ZIF connector is damaged replace the Front Cover Assembly Check Check the BtB connector of the PBA H2H Flex to the 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 PBA H2H Flex Action 1 If the PBA H2H Flex or its ZIF connector is damaged replace the PBA H2H Flex 2 Send to higher level of repai...

Page 10: ... Key on the Base Cover Middle Deco belt Action If the Camera key is damaged replace the Camera Key Check Inspect the ZIF connector of the PBA Dome Complete to the PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the ZIF connector Check Inspect the camera key side push switches on the PBA Dome Complete ...

Page 11: ...ed replace the PBA Dome Complete 2 Send to higher level of repair 1 3 4 Volume Key Check Inspect the Volume Key on Base Cover Middle Deco belt If the Volume key is damaged replace the Volume Key Check Inspect the ZIF connector of the PBA Dome Complete to the PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the ZIF connector ...

Page 12: ...Action 1 If the PBA Dome Complete or its ZIF connector is damaged replace the PBA Dome Complete 2 Send to higher level of repair 1 3 5 Key lock OnOff key Check Inspect the Key lock OnOff key a on the Base Cover Middle Deco belt and the input switch b on the PBA Action 1 If a or b is dirty or clogged clean them 2 If a is damaged replace the Keyboard OnOff Key 3 Send to higher level of repair ...

Page 13: ...Front Cover Assembly c Check 1 Start the phone press Lock onoff key again to put the phone to sleep 1 minute black screen 2 Press Lock onoff key to activate the phone and test the Touch Screen by moving a finger across the screen and start some of the applications Action If no response from Touch Screen test with another front Check Inspect the ZIF connector of the Front Key FPC to the PBA H2H Fle...

Page 14: ... Key FPC or its ZIF connector is damaged replace the Front Cover Assembly Check Inspect the BtB connector of the PBA H2H Flex to the 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 PBA H2H Flex Action 1 If the PBA H2H Flex or its ZIF connector is damaged replace the PBA H2H Flex 2 Send to higher level of...

Page 15: ... is not detected refer to section 1 1 Power Check Inspect the ZIF connector of the Display to the PBA H2H Flex Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the ZIF connector Check Inspect the Display Action If damaged replace the Display Check Inspect the BtB connector of the PBA H2H Flex to the PBA Action 1 If not properly connected discon...

Page 16: ...v2 Sony Ericsson Mobile Communications AB Company Internal 16 47 Problem Areas Display Check Inspect the PBA H2H Flex Action 1 If the PBA H2H Flex or its ZIF connector is damaged replace the PBA H2H Flex 2 Send to higher level of repair ...

Page 17: ...mbly Action 1 If dirty clean it 2 If the window is damaged replace the Front Cover Assembly Check Inspect the BtB connector of the PBA H2H Flex to the 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 PBA H2H Flex Action 1 If the PBA H2H Flex or its ZIF connector is damaged replace the PBA H2H Flex 2 Send ...

Page 18: ...tion 1 6 2 Keyboard Illumination Check Inspect the Keyboard Action If damaged Replace the Keyboard Check Inspect the ZIF connector of the PBA Dome Complete to the PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the ZIF connector Check Inspect the PBA Dome Complete ...

Page 19: ... 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 19 47 Problem Areas Illumination Action 1 If the PBA Dome Complete or its ZIF connector is damaged replace the PBA Dome Complete 2 Send to higher level of repair ...

Page 20: ...ternal port on the Battery Cover Action If clogged clean the speaker port or replace the Battery Cover Check Inspect the Loudspeaker s mesh on the Bottom Carrier Frame Assy Action 1 If clogged clean the speaker mesh 2 If the mesh is damaged replace it Check Inspect the Loudspeaker s pads on the Bottom Carrier Frame Assy and the pins on the Main PBA Action 1 If dirty clean them ...

Page 21: ...mech 1233 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 21 47 Problem Areas Speaker 2 If the pads on the Loudspeaker are damaged replace the Bottom Carrier Frame Assy 3 Send to higher level of repair ...

Page 22: ... 1 8 1 Earphone Check Inspect the Ear Speaker s external port Action 1 If clogged clean it 2 If the Gasket Ear Speaker is damaged replace it Check Inspect the Ear Speaker pins and the pads on the PBA H2H Flex Action If dirty clean them Check Inspect the Ear Speaker Action If the Ear Speaker is damaged replace the Ear Speaker ...

Page 23: ... Inspect the BtB connector of the PBA H2H Flex to the 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 PBA H2H Flex Action 1 If the PBA H2H Flex or its ZIF connector is damaged replace the PBA H2H Flex 2 Send to higher level of repair ...

Page 24: ... 1 Microphone Check Inspect the Microphone s external port on the Keypad Action If clogged clean the port Check Inspect the mesh on the Base Cover Middle Deco belt a and the Mic b on the PBA Action 1 If a is clogged clean the mesh 2 If a is damaged replace the Carrier Plastic Qwerty Support Assembly 3 Send to higher level of repair ...

Page 25: ...Trouble Shooting mech 1233 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 25 47 Problem Areas 1 10 Vibrator 1 10 1 Vibrator not generating alerts Action Send to higher level of repair ...

Page 26: ...e Bottom Carrier Frame Assy Action 1 If dirty clean the window 2 If scratched or damaged replace the Camera Window and the Camera Gasket Check Inspect the ZIF connector of the Camera to the PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the ZIF connector Action 1 If damaged replace the Camera 2 Send to higher level of repair ...

Page 27: ...Communications AB Company Internal 27 47 Problem Areas 1 12 Flash LED 1 12 1 Flash LED not flashing Check Inspect Flash Lens Window Action 1 If scratched or damaged replace the Flash Lens Window and the Flash Lens Foil Adhesive 2 Send to higher level of repair ...

Page 28: ...nection failure Check Inspect the WLAN and Bluetooth antenna on the Bottom Carrier Fame Assy Check Inspect the WLAN and Bluetooth antenna contact pads on the Bottom Carrier Frame 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 Bottom Carrier Frame Assy 3 Send to higher level of repair ...

Page 29: ...malfunctions Check Inspect the GPS antenna on the Bottom Carrier Frame Assy Check Inspect the GPS antenna contact pads on the Bottom Carrier Frame 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 Bottom Carrier Frame Assy 3 Send to higher level of repair ...

Page 30: ...Trouble Shooting mech 1233 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 30 47 Problem Areas 1 15 Compass 1 15 1 Compass fails Action Send to higher level of repair ...

Page 31: ...Trouble Shooting mech 1233 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 31 47 Problem Areas 1 16 Accelerometer 1 16 1 Accelerometer test fails Action Send to higher level of repair ...

Page 32: ...ct the Proximity switch window on the Front Cover Assembly Action 1 If clogged clean it 2 If scratched or damaged replace the Front Cover Assembly Check Inspect the Proximity switch on the PBA H2H Flex Check Inspect the BtB connector of the PBA H2H Flex to the PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both sides of the BtB connector ...

Page 33: ...7 Rev2 Sony Ericsson Mobile Communications AB Company Internal 33 47 Problem Areas Check Inspect the PBA H2H Flex Action 1 If the PBA H2H Flex or its ZIF connector is damaged replace the PBA H2H Flex 2 Send to higher level of repair ...

Page 34: ...ouble Shooting mech 1233 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 34 47 Problem Areas 1 18 Real Time Clock 1 18 1 Real Time Clock test fails Action Send to higher level of repair ...

Page 35: ...Trouble Shooting mech 1233 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 35 47 Problem Areas 1 19 Total call time 1 19 1 Total call time fails Action Send to higher level of repair ...

Page 36: ... Communications AB Company Internal 36 47 Problem Areas 1 20 External Memory Card 1 20 1 Memory Card not detected Check the Memory Card Holder Check Inspect the Memory Card holder Action 1 If dirty or oxidized clean the holder 2 Send to higher level of repair ...

Page 37: ...Trouble Shooting mech 1233 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 37 47 Problem Areas 1 21 Security 1 21 1 Security fails Action Send to higher level of repair ...

Page 38: ...on If dirty or oxidized clean the connector Check Inspect the BtB connector and the contact pin of the PBA AVP assy to the PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both side of the BtB connector Check Inspect the PBA AVP assy Action 1 If the PBA AVP assy or its ZIF connector is damaged replace the PBA AVP assy 2 Send to higher level of repair ...

Page 39: ...3 1 No Poor signal Check Inspect the Main Antenna on the Bottom Carrier Frame Assy Check Inspect the Main Antenna contact pads on the Bottom Carrier Frame 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 the Bottom Carrier Frame Assy 3 Send to higher level of repair ...

Page 40: ...k the SIM holder Check Inspect the SIM holder Action 1 If dirty or oxidized clean the holder 2 Send to higher level of repair 1 24 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 41: ...of the Battery Action 1 If dirty or oxidized clean the pads 2 If damaged replace the Battery Check Inspect the Battery Contact pins Action 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 Check Inspect the USB connector Action 1 If dirty or oxidized clean the connector 2 Send to higher level of repair ...

Page 42: ... jack Action If dirty or oxidized clean the connector Check Inspect the BtB connector of the PBA AVP assy and the contact pin to the PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both side of the BtB connector Check Inspect the PBA AVP assy Action 1 If the PBA AVP assy or its ZIF connector is damaged replace the PBA AVP assy 2 Send to higher level of ...

Page 43: ...n Mobile Communications AB Company Internal 43 47 Problem Areas 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 Send to higher level of repair ...

Page 44: ...Trouble Shooting mech 1233 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 44 47 Problem Areas 1 28 Hinge Slider 1 28 1 Slider stiff or stuck Action Replace the Hinge Slider ...

Page 45: ... the Light Sensor window on the Front Cover Assembly Action 1 If clogged clean it 2 If scratched or damaged replace the Front Cover Assembly Check Inspect the Light Sensor on the PBA H2H Flex Check Inspect the BtB connector of the PBA H2H Flex to the PBA Action 1 If not properly connected disconnect and reconnect 2 If dirty or oxidized clean both side of the BtB connector ...

Page 46: ...amaged replace the PBA H2H Flex 2 Send to higher level of repair 1 29 2 Slide Sensor Check Inspect the magnet on the Hinge assembly Action 1 If dirty clean it 2 If not properly positioned reinstall it 3 If the magnet is missing or damaged replace the Hinge assembly Check Inspect the Slider Sensor IC on the PBA Dome Complete Action 1 If damaged replace the PBA Dome Complete 2 Send to higher level o...

Page 47: ...33 9027 Rev2 Sony Ericsson Mobile Communications AB Company Internal 47 47 2 Revision History Rev Date Changes Comments 1 2010 June 22 Initial release 2 2010 Aug 31 Touch screen sleep test added to Touch screen and Phone hang ...

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