Sony Ericsson W395 User manual

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