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1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal
Troubleshooting Guide - mechanical -
W395
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 2(21)
CONTENTS
1 Problem Areas ................................................................................ 3
1.1 On/Off .................................................................................................... 3 1.1.1 Will not power on or will switch off randomly ........................................... 3
1.2 Display................................................................................................... 4 1.2.1 Graphics & Illumination ............................................................................... 4
1.3 Illumination ........................................................................................... 5 1.3.1 No keyboard illumination............................................................................. 5 1.3.2 No Navi key illumination .............................................................................. 5
1.4 Keys....................................................................................................... 6 1.4.1 Keyboard key................................................................................................ 6 1.4.2 Navigation keys ............................................................................................ 6 1.4.3 Side keys....................................................................................................... 7
1.5 Audio ..................................................................................................... 8 1.5.1 Microphone ................................................................................................... 8 1.5.2 Earphone....................................................................................................... 8 1.5.3 Loudspeaker ................................................................................................. 9
1.6 Vibrating alert ..................................................................................... 11 1.6.1 Vibrator not generating alert ..................................................................... 11
1.7 Camera ................................................................................................ 12 1.7.1 Camera defects........................................................................................... 12
1.8 Memory Card ...................................................................................... 13 1.8.1 M2 Card not detected................................................................................. 13
1.9 FM Radio ............................................................................................. 14 1.9.1 No/Poor FM Radio reception ..................................................................... 14
1.10 Bluetooth............................................................................................. 15 1.10.1 No Bluetooth connection........................................................................... 15
1.11 Charging/Capacity.............................................................................. 16 1.11.1 Battery will not charge ............................................................................... 16 1.11.2 Poor battery capacity................................................................................. 16
1.12 SIM....................................................................................................... 17 1.12.1 SIM undetected........................................................................................... 17 1.12.2 Incorrect SIM indicated.............................................................................. 17
1.13 Data Communication.......................................................................... 18 1.13.1 No communication via the System Connector ........................................ 18
1.14 Network/Signal.................................................................................... 19 1.14.1 No Signal or Poor Signal ........................................................................... 19 1.14.2 No signal when using external antenna (ex. Hands free in car)............. 19
1.15 Hinge ................................................................................................... 20 1.15.1 Hinge stiff or stuck..................................................................................... 20
2 Revision History ........................................................................... 21
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 3(21)
1 Problem Areas 1.1 On/Off
1.1.1 Will not power on or will switch off randomly
Check: Check whether the phone vibrates and the Navigation Keypad illuminates after the power key is depressed Action: If activation of the Vibrator and Navigation Keypad illumination is detected, refer to section 1.2 ‘Display’
Check: Visually inspect contact pads on battery Action: 1. If dirty or oxidized – clean pads 2. If damaged – replace the battery
Check: Visually inspect battery connector Action: 1. If dirty or oxidized – clean it
Be careful not to bend or damage the connector pins! 2. If damaged – send to higher level of repair
Check: 1. Visually inspect for debris or damage between Upper
Keypad Assy and the Navi Key Assy 2. Inspect the H-H FPC connection to Upper Keypad Assy
and PBA Action: Refer to section 1.4.2 ‘Navigation keys’
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 4(21)
Problem Areas
1.2 Display
1.2.1 Graphics & Illumination Check: Check whether the phone vibrates and the Navigation Keypad illuminates after the power key has been pressed Action: If the activation described above is not detected, refer to section 1.1 ‘On/Off’ Problems
Check: Inspect the LCD FPC connection to Upper Keypad Assy and the H-H FPC connection to Upper Keypad Assy and PBA Action: 1. If the connectors (a),(b),(c) are dirty or oxidized – clean
them 2. If improperly connected – re-establish proper connection 3. If the Upper Keypad Assy is damaged – replace the
Upper Keypad Assy
4. If H-H FPC is damaged – replace the H-H FPC
5. If the problem is not resolved – replace the LCD TFT 2.0 6. If still not resolved – send to higher level of repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 5(21)
Problem Areas 1.3 Illumination
1.3.1 No keyboard illumination Check: Visually inspect the keyboard and the Main Key Dome Assy Action: 1. If damaged – replace keyboard and/or Main Key Dome
Assy
1.3.2 No Navi key illumination Visually inspect the Upper Keypad Assy (a) and the Navi Key Assy (b) Action: 1. If damaged – replace the Upper Keypad Assy (a) and/or
the Navi Key Assy (b)
Check: Inspect the H-H FPC connection to Upper Keypad Assy and PBA Action: 1. If the connectors (c) and (d) are dirty or oxidized – clean
them 2. If improperly connected – re-establish proper connection
3. If H-H FPC is damaged – replace the H-H FPC 4. If the problem is not resolved – send to higher level of
repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 6(21)
Problem Areas 1.4 Keys
1.4.1 Keyboard key Check: Visually inspect for debris or damage between keyboard and the Main Key Dome Assy Action: 1. If dirty – clean both parts 2. If damaged – replace keyboard and/or Main Key Dome
Assy
1.4.2 Navigation keys Check: Visually inspect for debris or damage between Upper Keypad Assy and the Navi Key Assy Action: If damaged – replace the Upper Keypad Assy and/or the Navi Key Assy
Check: Inspect the H-H FPC connection to Upper Keypad Assy and PBA Action: 1. If the connectors (a) and (b) are dirty or oxidized – clean
them 2. If improperly connected – re-establish proper connection
3. If H-H FPC is damaged – replace H-H FPC 4. If the problem is not resolved – send to higher level of
repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 7(21)
Problem Areas: Keys
1.4.3 Side keys Check: Visually inspect for damage to the side keys ‘Volume Key and Camera Key’ Action: 1. If damaged – replace them 2. If the problem is not resolved – send to higher level of
repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 8(21)
Problem Areas 1.5 Audio
1.5.1 Microphone Check: Visually inspect the microphone’s external port Action: 1. If clogged – clean or replace Lower Rear Assy 2. If the problem is not resolved – send to higher level of
repair
1.5.2 Earphone Check: Visually inspect Earphoner’s external port Action: If clogged – clean or replace the Bezel Assembly
Check: Visually inspect Earphone’s dust cloth Action: If clogged – clean or replace the Front Cover Assy
Check: Visually inspect the Upper Keypad Assy Action: 1. If the Upper Keypad Assy is damaged – replace the
Upper Keypad Assy
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 9(21)
Problem Areas: Audio
Check: Inspect the H-H FPC connection to Upper Keypad Assy and PBA Action: 1. If the connectors (a) and (b) are dirty or oxidized – clean
them 2. If improperly connected – re-establish proper connection
3. If H-H FPC is damaged – replace H-H FPC 4. If the problem is not resolved – send to higher level of
repair
1.5.3 Loudspeaker Check: Visually inspect 2 speaker’s external port Action: If clogged – clean or replace the Lower Rear Assy
Check: Visually inspect the 2 loudspeaker’s connect pins (or pads) and connect pads (or pins) on PBA Action: 1. If dirty or oxidized – clean them
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 10(21)
Problem Areas: Audio
2. If the problem is not resolved – replace the SpeakerboxAssy (Speakerbox Ant Assy / Speakerbox BT Assy)
3. If still not resolved – send to higher level of repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 11(21)
Problem Areas
1.6 Vibrating alert
1.6.1 Vibrator not generating alert Check: Visually inspect the vibrator pads on the PBA Action: If dirty or oxidized – clean them
Check: Visually inspect the vibrator Action: 1. If dirty, oxidized or damaged– replace the vibrator 2. If the problem is not resolved –send to higher level of
repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 12(21)
Problem Areas
1.7 Camera
1.7.1 Camera defects Check: Visually inspect the camera window Action: 1. If dirty – clean the window 2. If scratched or damaged – replace the Lower Rear Assy
Check: Visually inspect for damage to the camera key Action: 1. If dirty – clean the camera key 2. If damaged – replace the camera key as necessary
Check: Visually inspect whether the camera is properly connected to its socket on the PBA Action: 1. If improperly connected – re-establish proper connection 2. If the connector (a) is dirty or oxidized – clean it 3. If the problem is not resolved – replace the 2MP Camera
Module (b) 4. If still not resolved – send to higher level of repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 13(21)
Problem Areas
1.8 Memory Card
1.8.1 M2 Card not detected Check: Inspect the M2 Card holder Action: 1. If dirty or oxidized – clean the M2 Card holder 2. If the problem is not resolved – send to higher level of
repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 14(21)
Problem Areas
1.9 FM Radio
1.9.1 No/Poor FM Radio reception Check: Inspect System Connector Action: 1. If dirty or oxidized – clean the connector 2. If damaged – send to higher level of repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 15(21)
Problem Areas
1.10 Bluetooth
1.10.1 No Bluetooth connection Check: Visually inspect the antenna contact pad/pin on the PBA and the Speakerbox BT Assy Action: 1. If dirty or oxidized – clean the pad/pin 2. If the problem is not resolved – replace the Speakerbox
BT Assy 3. If still not resolved – send to higher level of repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 16(21)
Problem Areas
1.11 Charging/Capacity
1.11.1 Battery will not charge Check: Visually inspect the contact pads of the battery Action: 1. If dirty or oxidized – clean the pads 2. If damaged – replace the battery
Check: Visually inspect the battery connector Action: 1. If dirty or oxidized – clean the battery connector
Be careful not to bend or damage the connector pins! 2. If damaged – send to higher level of repair
Check: Visually inspect the system connector 1. If dirty or oxidized – clean the system connector 2. If still not resolved – send to higher level of repair
1.11.2 Poor battery capacity Check: Some features noticeably reduce the amount of standby time when turned on, Such as the back light (when on all the time), Bluetooth Action: 1. Deactivate the backlight, Bluetooth 2. If still not resolved – Send to higher level of repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 17(21)
Problem Areas
1.12 SIM
1.12.1 SIM undetected Check: Inspect SIM holder Action: 1. If dirty or oxidized – clean the SIM holder 2. If still not resolved – send to higher level of repair
1.12.2 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. If the problem is not resolved – send to higher level of
repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 18(21)
Problem Areas
1.13 Data Communication
1.13.1 No communication via the System Connector Check: Visually inspect the system connector Action: 1. If dirty or oxidized– clean the connector 2. If the problem is not resolved – send to higher level of
repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 19(21)
Problem Areas
1.14 Network/Signal
1.14.1 No Signal or Poor Signal Check: Visually inspect the SIM Card holder Action: 1. If dirty or oxidized – clean the holder 2. If damaged – send to higher level of repair
Check: Visually inspect Antenna connector on PBA Action: If dirty or oxidized – clean it
Check: Visually inspect Speakerbox Ant Assy connect pads Action: 1. If dirty or oxidized – clean the pads 2. If damaged – replace the Speakerbox Ant Assy 3. If still not resolved – send to higher level of repair
1.14.2 No signal when using external antenna (ex. Hands free in car) Check: Connect the phone to hands free car kit connected with external antenna Visually inspect the antenna bar on the phone Action: 1. If no or only very less signal – push the middle pin of the external antenna connector a few times 2. If still not resolved – send to higher level of repair
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 20(21)
Problem Areas
1.15 Hinge
1.15.1 Hinge stiff or stuck Check: Visually inspect whether the Hinge Assy are deforming Action: If damaged – replace the Hinge Assy
Troubleshooting Guide (mech)
1223-6752 Rev 1 Sony Ericsson Mobile Communications AB – Company Internal 21(21)
2 Revision History
Rev. Date Changes / Comments 1 2009-Jan -14 1st release
