Troubleshooting Guide

Troubleshooting Guide - mechanical -

W395

1223-6752 Rev 1

 Sony Ericsson Mobile Communications AB – Company Internal

Troubleshooting Guide (mech)

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 1.3.2

No keyboard illumination............................................................................. 5 No Navi key illumination .............................................................................. 5

1.4 Keys....................................................................................................... 6 1.4.1 1.4.2 1.4.3

Keyboard key................................................................................................ 6 Navigation keys ............................................................................................ 6 Side keys....................................................................................................... 7

1.5 Audio ..................................................................................................... 8 1.5.1 1.5.2 1.5.3

Microphone ................................................................................................... 8 Earphone....................................................................................................... 8 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

1223-6752 Rev 1  Sony Ericsson Mobile Communications AB – Company Internal

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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’


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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


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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


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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


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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


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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


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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


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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


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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


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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


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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


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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


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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


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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


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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


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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


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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 1223-6752 Rev 1  Sony Ericsson Mobile Communications AB – Company Internal

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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


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2 Rev. 1

Revision History Date 2009-Jan -14

Changes / Comments 1st release


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