Ericsson SE W760 Diagram

Working Instruction, Mechanical

Applicable for W760

CONTENTS

Introduction ............................................................................................................3

1.1 View of W760...............................................................................................3

1.2 Tools and Equipment ...................................................................................3

1.3 General Cautions .........................................................................................4

1.4 Adhesives.....................................................................................................4

1.5 Using Hand and ESD Protection..................................................................4

1.6 Protection of Displays, Lenses, and Windows .............................................4

1.7 Acceptable Pry Tools ...................................................................................4

2 Disassembly...........................................................................................................5

2.1 Standard Disassembly................................................................................. 6

2.1.1 Battery Cover Removal ..................................................................6

2.1.2 Battery Removal.............................................................................6

2.1.3 Label Removal ............................................................................... 7

2.2 Back Half......................................................................................................8

2.2.1 Upper Back Cover Removal...........................................................8

2.2.2 Volume Key Removal.....................................................................9

2.2.3 Back Screw Removal .....................................................................9

2.2.4 Keyboard Removal.......................................................................11

2.2.5 Back Frame Removal...................................................................12

2.2.6 Circuit Board Removal ................................................................. 14

2.3 Front Half....................................................................................................17

2.3.1 Front Cover Removal ...................................................................17

2.3.2 LCD Removal...............................................................................19

2.3.3 Ear Speaker Housing Removal....................................................20

2.3.4 Front Screw Removal...................................................................21

2.3.5 Inner Screw Removal...................................................................22

2.3.6 Front Frame Removal .................................................................. 22

3 Reassembly .........................................................................................................24

3.1 Front Half....................................................................................................25

3.1.1 Front Frame Installation ...............................................................25

3.1.2 Inner Screw Installation................................................................26

3.1.3 Front Screw Installation................................................................26

3.1.4 Ear Speaker Housing Installation.................................................27

3.1.5 LCD Installation............................................................................29

3.1.6 Front Cover Installation ................................................................30

3.2 Back Half....................................................................................................32

3.2.1 Circuit Board Installation ..............................................................32

3.2.2 Back Frame Installation................................................................34

3.2.3 Keyboard Installation....................................................................36

3.2.4 Back Screw Installation ................................................................36

3.2.5 Volume Key Installation................................................................37

3.2.6 Upper Back Cover Installation......................................................38

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Working Instruction, Mechanical

3.3 Standard Installation...................................................................................39

3.3.1 Label Installation ..........................................................................39

3.3.2 Battery Installation........................................................................39

3.3.3 Battery Cover Installation .............................................................40

4 Replacement........................................................................................................41

4.1 Antenna Assembly Replacement...............................................................41

4.2 A/B Button Replacement............................................................................44

4.3 Back Frame Replacement..........................................................................44

4.4 Battery Replacement..................................................................................44

4.5 Battery Cover Replacement.......................................................................45

4.6 Camera Cover Replacement......................................................................45

4.7 Chin Cover Replacement ...........................................................................47

4.8 Coax Ground Replacement........................................................................47

4.9 Ear Speaker Replacement.........................................................................47

4.10 Ear Speaker Gasket Replacement.............................................................49

4.11 Ear Speaker Housing Replacement...........................................................49

4.12 Front Cover Replacement..........................................................................50

4.13 Front Frame Replacement .........................................................................51

4.14 Hinge Replacement....................................................................................52

4.15 Keyboard Replacement..............................................................................52

4.16 Keypad FPC Replacement.........................................................................52

4.17 LCD Replacement......................................................................................57

4.18 Liquid Intrusion Indicator Replacement......................................................57

4.19 M2 Cover Replacement..............................................................................58

4.20 Microphone Gasket Replacement..............................................................60

4.21 Navigation Keypad Replacement...............................................................60

4.22 NeoBon Flex Replacement ........................................................................65

4.23 Side Key Flex Replacement.......................................................................71

4.24 Speaker Box Replacement.........................................................................72

4.25 Upper Back Cover Replacement................................................................73

4.26 Vibrator Replacement.................................................................................73

4.27 Volume Key Replacement..........................................................................73

4.28 Walkman Key Replacement.......................................................................74

5 Revision History...................................................................................................76

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Working Instruction, Mechanical

1 Introduction

1.1 View of W760

1.2 Tools and Equipment

The following tools and equipment should be available while performing the procedures.

TOOLS

• Style 2A Tweezers – Rounded Tip

• Nylon Pointer

• Torque Driver

• Dental Hook

• Plectrum

• JCIS-0 bit

ESD EQUIPMENT

Protect the phone from ESD damage whenever it has been opened:

Minimum requirements are:

• ESD wristband

• ESD gloves

• ESD mat

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Working Instruction, Mechanical

LABEL EQUIPMENT

The following equipment is required for generating a new label:

• Zebra printer connected to computer

1.3 General Cautions

The following cautions are considered to be generic for all products and will not be repeated in the Disassembly, Reassembly, and Replacements sections:

• S

WITCH OFF THE PHONE AND REMOVE ANY MEMORY STICK BEFORE THE START OF THE DISASSEMBLY ! EEP ALL CONTACT SURFACES CLEAN!

• K

E CAREFUL WHEN USING TOOLS LIKE THE DENTIST HOOK, TWEEZERS, PRY TOOLS, ETC. TO AVOID

• B

SCRATCHES OR DAMAGE TO THE EXTERIOR AND INTERIOR PARTS OF THE PHONE

• B

E CAREFUL NOT TO DAMAGE ANY CONTACT SPRINGS! EMEMBER TO REMOVE THE PROTECTION FILMS ON NEW PARTS SUCH AS THE FRONT COVER AND LCD!

• R

EVER TOUCH THE DISPLAY GLASS!

• N

1.4 Adhesives

Use a dentist hook, the tweezers, and/or a nylon pointer to remove old adhesives. Clean the surface with isopropyl alcohol before attaching new adhesives.

1.5 Using Hand and ESD Protection

When handling this product, keep all surfaces clean of dirt, dust, debris, and hand oil. Use appropriate ESD precautions when working on this product. The use of finger cots or gloves, an ESD mat, and an ESD wrist strap are required at minimum.

1.6 Protection of Displays, Lenses, and Windows

Any time the screen portion of a display assembly, the windows of a display cover, or a camera lens is unprotected and exposed, add a protective film over the exposed part to reduce the amount of dust, finger prints, debris, and/or damage that the part may obtain.

1.7 Acceptable Pry Tools

Whenever the phrase “pry tool” is used, a nylon pointer, a plectrum, or a front opening tool may be used depending on the user’s preference.

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Working Instruction, Mechanical

2 Disassembly

Disassemble in the following order: Back Half

• Battery Cover (1)

• Battery (2)

• Label (3)

• Upper Back Cover (4)

• Volume Key (5)

• Back Screw (6)

• Middle Screws (7)

• Keyboard (8)

• Back Frame (9) from Hinge

• Circuit Board (10)

Front Half

• Front Cover (11)

• LCD (12)

• Ear Speaker Housing (13)

• Front Screw (14)

• Inner Screw (15)

• Front Frame (16) from Hinge (17)

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Working Instruction, Mechanical

2.1 Standard Disassembly

This section must be completed before disassembling either half of the phone.

2.1.1 Battery Cover Removal

Lift up on the battery cover at its notch.

Remove battery cover.

2.1.2 Battery Removal

Using the indicated notch, lift the lower portion of the battery from the battery cavity.

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Working Instruction, Mechanical

Remove battery.

2.1.3 Label Removal

Peel up the bottom right corner of the label using round tipped tweezers.

Peel the label off.

OTE: DO NOT LET THE LABEL ADHESIVE TOUCH THE

BATTERY CONTACTS

Clean off any adhesive residue from the battery cavity using alcohol and a lint-free wipe.

OTE: THE LABEL THAT HAS BEEN REMOVED SHOULD NOT BE

REUSED

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Working Instruction, Mechanical

2.2 Back Half

2.2.1 Upper Back Cover Removal

Insert one end of the round tipped tweezers between the upper back cover and the frame and push on the lower left latch as shown.

Repeat for the right side latch.

Insert one tip of the round tipped tweezers between the upper back cover and the frame on the SIM card holder side of the middle latch and push to release it.

OTE: THE RF PORT COVER MAY FALL OUT.

While holding the bottom edge of the cover up, insert a plectrum between the cover and the frame and push in at an angle as shown to release the left side latch.

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Working Instruction, Mechanical

Lift up on the upper back cover and rotate the free end towards the side key to release it.

2.2.2 Volume Key Removal

Lift the side key from its opening using round tipped tweezers.

2.2.3 Back Screw Removal

Remove the four back screws using a JCIS-0 bit.

OTE: DO NOT REUSE SCREWS!

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Working Instruction, Mechanical

Remove the two middle screws using a JCIS-0 bit. Note: Do not reuse screws!

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Working Instruction, Mechanical

2.2.4 Keyboard Removal

Open the phone. Insert one tip of the round tipped tweezers between the

keyboard and the hinge.

Lift up on the keyboard and peel it off.

OTE: CLEAN OFF ANY ADHESIVE RESIDUE.

OTE: DO NOT REUSE THE KEYBOARD.

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Working Instruction, Mechanical

2.2.5 Back Frame Removal

Pry the upper right back frame latch from the hinge while holding the phone as shown.

Insert the tip of round tipped tweezers between the back frame and the hinge just below the right latch as shown.

Pry the hinge up to release the latch.

Repeat for the left latch.

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Working Instruction, Mechanical

Pry the upper left back frame latch free so that you can see the upper left portion of the hinge.

Insert the pry tool between the hinge and the back frame so that the flat end of the tool is under the edge of the hinge flex near one end of the flex connection.

Rotate the pry tool towards the back frame when prying the hinge flex loose to avoid prying on components that are located directly adjacent to the hinge connection.

Once the hinge flex is free, rotate the front half of the phone from the back frame to separate the back frame from the hinge.

OTE: THE MICROPHONE GASKET MAY NEED TO BE REMOVED

FROM THE BACK FRAME.

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Working Instruction, Mechanical

2.2.6 Circuit Board Removal

Disconnect the coax cable using round tipped tweezers and position it out of the way as shown.

Lift the walkman key flex out of its position using round tipped tweezers.

Remove the walkman key using round tipped tweezers.

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Working Instruction, Mechanical

Insert one tip of the round tipped tweezers between the side key flex and the frame to unadhere the flex.

Lift the side key flex out using round tipped tweezers.

Insert one tip of round tipped tweezers between the back frame just above the lower right latch and the circuit board as shown.

Rotate the tweezers away from the board to release the lower right latch.

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Working Instruction, Mechanical

Insert one tip of round tipped tweezers between the frame and circuit board just below the upper right latch.

Rotate the tweezers away from the board to release the latch.

Rotate the right side of the board up.

Work the left side of the circuit board free from the rear frame and remove the circuit board.

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Working Instruction, Mechanical

2.3 Front Half

2.3.1 Front Cover Removal

Open the phone.

Slide the plectrum between the navigation keypad and the front cover frame in the location shown to create a gap. Use the pry tool to pry the lower left latch.

Repeat for the location shown.

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Working Instruction, Mechanical

Slide the plectrum along the seam of one edge until you reach the top of the back half.

OTE: IT IS IMPORTANT NOT TO SLIDE THE PLECTRUM ANY

FURTHER THAN INDICATED TO REDUCE RISK OF DAMAGE TO FRONT COVER LATCHES

Repeat for the other side.

OTE: IT IS IMPORTANT NOT TO SLIDE THE PLECTRUM ANY

FURTHER THAN INDICATED TO REDUCE RISK OF DAMAGE TO FRONT COVER LATCHES

Lift up on the bottom edge of the cover and remove the navigation keypad.

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Working Instruction, Mechanical

NOTE: IT IS IMPORTANT TO FOLLOW THE INSTRUCTIONS

EXACTLY TO REDUCE RISK OF DAMAGE TO THE FRONT COVER AND FRAME

Lift up on the bottom edge of the cover and rotate it to the left until the upper left side latch releases.

Then rotate the cover to the right to release the upper right side latch.

Once both of the upper side latches are released, rotate the front cover from the front frame by lifting front cover from the bottom.

2.3.2 LCD Removal

Insert the flat end of the nylon pointer into the gap between the LCD cushion and LCD latch on whichever side has a larger gap and pry up.

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Working Instruction, Mechanical

Rotate the top of the LCD away for the upper frame while moving the bottom of the LCD towards the top of the phone.

Using a pry tool, disconnect the LCD from the NeoBon flex.

Lift the LCD from the phone.

2.3.3 Ear Speaker Housing Removal

Pry the left game button flex up using a pry tool.

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Working Instruction, Mechanical

Pry the camera flex up using a pry tool and hold it back with your thumb.

OTE: BE CAREFUL NOT TO CONTAMINATE THE ADHESIVE

RING THAT HOLDS THE CAMERA IN PLACE

Pry in the location shown with the tip of the nylon pointer to pop the ear speaker housing out.

OTE: MAKE SURE TO ONLY PRY ON THE HOUSING AND NOT

M2 READER.

THE

OTE: AT THIS POINT YOU MAY WISH TO ADD A PROTECTIVE

COVER TO THE ADHESIVE RING THAT HOLDS THE CAMERA

2.3.4 Front Screw Removal

Slide the hinge closed slightly to reveal two front screws and remove them using a JCIS-0 bit.

Slide the hinge more closed to reveal the remaining two screws and remove them using a JCIS-0 bit.

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Working Instruction, Mechanical

Return the phone to the open position.

2.3.5 Inner Screw Removal

Remove the two inner screws using a JCIS-0 bit.

2.3.6 Front Frame Removal

Disconnect the Hinge flex from the NeoBon flex using a pry tool.

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Working Instruction, Mechanical

Rotate the bottom of the front frame away from the hinge, then slide the front frame away from the hinge.

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