Sony Xperia neo L User manual

1262-4094 Rev 3
Sony Mobile Communications AB –Company Internal
Working Instructions
- mechanical -
MT25i
Xperia™ neo L

Working Instruction Repair Instruction Mechanical/
1262-4094 Rev 3
Sony Mobile Communications AB –Company Internal
2(71)
CONTENTS
1Exterior Views.................................................................................4
1.1 MT25i.....................................................................................................4
2Tools................................................................................................5
3Disassembly....................................................................................6
3.1 Battery Cover........................................................................................6
3.2 Battery...................................................................................................6
3.3 Rear Cover Assembly..........................................................................7
3.4 Sub SIM PBA Assy...............................................................................9
3.5 Front Cover Assy .................................................................................9
3.6 Cushion LCD Shim Black ..................................................................12
3.7 Display................................................................................................13
3.8 Main PBA and LCD Frame.................................................................14
4Replacement.................................................................................17
4.1 Battery Cover......................................................................................17
4.2 Rear Cover Assembly........................................................................17
4.3 Sub SIM PBA Assy.............................................................................17
4.4 Front Cover Assy ...............................................................................17
4.5 Cushion LCD Shim Black ..................................................................18
4.6 Display................................................................................................18
4.7 LCD Frame..........................................................................................18
4.8 Antenna holder...................................................................................19
4.9 Camera Conductive Adhesive...........................................................21
4.10 Core Unit Label...................................................................................23
4.11 Dome Sheet ........................................................................................25
4.12 Function Key ......................................................................................26
4.13 Gasket LCM Connector......................................................................28
4.14 Gasket PBA ........................................................................................29
4.15 Gasket Receiver Connector...............................................................30
4.16 Gasket TP Connector.........................................................................31
4.17 Kapton LCM FPC................................................................................32
4.18 LED indicator & LED indicator adhesive..........................................33
4.19 Loudspeaker & Gasket Speaker........................................................36
4.20 Main Camera.......................................................................................38
4.21 Mesh Speaker.....................................................................................40
4.22 PBA Receiver Flex & Mylar Tape Receiver & Receiver Adhesive...41
4.23 Receiver Mesh....................................................................................45
4.24 Rubber Microphone ...........................................................................46
4.25 Shield can BB.....................................................................................48
4.26 Shield can PA.....................................................................................49

Working Instruction Repair Instruction Mechanical/
1262-4094 Rev 3
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4.27 Shield can RF .....................................................................................50
4.28 Side Key..............................................................................................51
4.29 Tape RF Hole......................................................................................52
4.30 Touch Panel Conductive Adhesive...................................................53
4.31 Water Indicator...................................................................................55
4.32 Board Swap ........................................................................................57
4.32.1 Board Swap- Replacement .......................................................................57
4.32.2 Board Swap –Change Label ....................................................................57
4.32.3 Board Swap –Customize of Software .....................................................57
5Reassembly...................................................................................58
5.1 Main PBA & LCD Frame.....................................................................58
5.2 Display................................................................................................62
5.3 Cushion LCD Shim Black ..................................................................64
5.4 Front Cover Assy ...............................................................................66
5.5 Sub SIM PBA Assy.............................................................................68
5.6 Rear Cover Assembly........................................................................68
5.7 Battery.................................................................................................70
5.8 Battery Cover......................................................................................70
6Revision History...........................................................................71
For general information about mechanical repair related issues, refer to
1220-1333: Generic Repair Manual - mechanical

Working Instruction Repair Instruction Mechanical/
1262-4094 Rev 3
Sony Mobile Communications AB –Company Internal
4(71)
1 Exterior Views
1.1 MT25i

Working Instruction Repair Instruction Mechanical/
1262-4094 Rev 3
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2 Tools
SPECIAL TOOLS
1. Guitar Pick
2. Flex Film Assembly Tool
3. Front Opening Tool
4. Torque Screwdriver
5. Bits(JCIS No 0)
6. Bits(T5)
For part no’s on the tools above, refer to the ‘Tools Catalogue/Matrix’!
STANDARD TOOLS
1. Tweezers

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3 Disassembly
The disassembly is done in the following order:
1. Battery Cover
2. Battery
3. Rear Cover Assembly
4. Sub SIM PBA Assy
5. Front Cover Assy
6. Cushion LCD Shim Black
7. Display
8. Main PBA (a) & LCD Frame (b)
3.1 Battery Cover
Release the Battery Cover from the cavity at bottom side by
fingers.
Lift up the Battery Cover and remove it.
3.2 Battery
Use finger to release the Battery as shown.

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Disassembly
Lift to remove the Battery.
3.3 Rear Cover Assembly
Remove the four Screw_M1.6X4.2 by using a screwdriver
with Bits (T5).
Remove the six Screw_M1.4X2.8 by using a screwdriver
with Bits (JCIS No 0).
Remove the two Screw_M1.4X2.4 by using a screwdriver
with Bits (JCIS No 0).

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Disassembly
Insert a Guitar Pick and slide along to release the right side.
Do not touch the Spring Pins under the Rear Cover as
shown in the picture!
Slide it along to release the bottom side.
Insert a Guitar Pick and slide along to release the left side.
Do not touch the Spring Pins under the Rear Cover as
shown in the picture!
Lift up the Rear Cover Assembly and push to release the
hooks at the top side gently as shown.
Note the Audio Jack in the middle of the top side as
shown in the picture!

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Disassembly
Separate the Rear Cover Assembly and the Unit.
3.4 Sub SIM PBA Assy
Insert the Guitar Pick underneath the Sub SIM PBA Assy
and pull upwards gently to unsnap the BtB connector.
Remove the Sub SIM PBA Assy.
3.5 Front Cover Assy
Detach to remove the Gasket TP Connector.
Scrap! Not to be reused!

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Disassembly
Unlock the ZIF connector by using a Front Opening Tool.
Release the flex part from the ZIF connector.
Detach the FPC from up right corner and slide along the
edge to release the FPC adhesive.
There are seven hooks securing the Front Cover Assy.

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Disassembly
Insert the Front Opening Tool to release the three hooks of
Front Cover Assy from the left side.
Release the bottom side of Front Cover Assy as shown.
Insert the Front Opening Tool to release the Front Cover
Assy from top of right side.
Separate the Front Cover Assy and left Unit.

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Disassembly
3.6 Cushion LCD Shim Black
Turn over the unit, there are four hooks securing the
Display.
Unsnap the hooks of Display at the bottom side as the order
shown in the picture.
Do the same for the other two hooks.
Turn the Display to about 90 degrees.

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Disassembly
Lift up to release the adhesive under the Cushion LCD Shim
Black and remove the Cushion LCD Shim Black.
3.7 Display
Detach the Gasket LCM Connector by using a Flex Film
Assembly Tool.
Note: Take care of the ZIF connector under the Kapton
LCM FPC.
Scrap! Not to be reused!
Detach the Kapton LCM FPC by using a Flex Film Assembly
Tool.
Note: Take care of the ZIF connector under the Kapton
LCM FPC.
Scrap! Not to be reused!
Unlock the ZIF connector by using a Front Opening Tool.

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Disassembly
Release the flex part from the ZIF connector.
Detach to release the adhesive under the FPC.
Separate the Display.
3.8 Main PBA and LCD
Frame
Detach the Gasket Receiver Connector.
Note: Take care of the ZIF connector under the Gasket
Receiver Connector.
Scrap! Not to be reused!

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Disassembly
Unlock the ZIF connector by using a Front Opening Tool.
Release the flex part from the ZIF connector.
Turn over the unit and there are three hooks securing the
PBA.
Insert the Front Opening tool from bottom of right side and
lift up to unsnap the hook.

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Disassembly
Do the same for the hook on the opposite side.
Turn the Main PBA to the right side to release the other
hook on the left top corner.
Separate them.

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4 Replacement
4.1 Battery Cover
Follow the 3.1 Disassembly instructions!
Prepare the new Battery Cover.
Follow the 5.8 Reassembly instructions!
4.2 Rear Cover Assembly
Follow the 3.1 –3.3 Disassembly instructions!
Follow the 4.8, 4.19, 4.24, 4.29 Removal instructions!
Prepare the new Rear Cover Assembly.
Follow the 4.8, 4.19, 4.24, 4.29 Installation instructions!
Follow the 5.6 –5.8 Reassembly instructions!
4.3 Sub SIM PBA Assy
Follow the 3.1 –3.4 Disassembly instructions!
Prepare the new Sub SIM PBA Assy.
Follow the 5.5 –5.8 Reassembly instructions!
4.4 Front Cover Assy
Follow the 3.1 –3.5 Disassembly instructions!
Follow the 4.12 Removal instructions!
Prepare the new Front Cover Assy.
Follow the 4.12 Installation instructions!
Follow the 5.4 –5.8 Reassembly instructions!

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Replacement
4.5 Cushion LCD Shim Black
Follow the 3.1 –3.6 Disassembly instructions!
Prepare the new Cushion LCD Shim Black.
Follow the 5.3 –5.8 Reassembly instructions!
4.6 Display
Follow the 3.1 –3.7 Disassembly instructions!
Prepare the new Display.
Follow the 5.2 –5.8 Reassembly instructions!
4.7 LCD Frame
Follow the 3.1 –3.8 Disassembly instructions!
Follow the 4.22 Removal instructions!
Prepare the new LCD Frame.
Follow the 4.9, 4.22, 4.30 Installation instructions!
Follow the 5.1 –5.8 Reassembly instructions!

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Replacement
4.8 Antenna holder
Follow the 3.1 –3.2 Disassembly instructions!
Carry out the removal as described below.
Prepare the new Antenna holder.
Carry out the Installation as described below.
Follow the 5.7 –5.8 Reassembly instructions!
REMOVAL
Remove the two Screw_M1.6X4.2 by using a screwdriver
with Bits (T5).
Insert Guitar Pick to unsnap the bottom side.
Insert Guitar Pick to lift up the right side.

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Replacement: Antenna holder
Remove the Antenna holder.
INSTALLATION
Place the Antenna holder in the correct position.
Press to secure its position.
Apply 9 ± 0.9 Ncm torque when tightening the two
Screw_M1.6X4.2 with Bits (T5).