Sony Ericsson W888c User manual

Working Instruction Repair Instruction Mechanical/3/000
21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4
Working Instruction, Mechanical
Applicable for W880i, W888c
CONTENTS
1Introduction ..............................................................................3
1.1Tools and Equipment...............................................................4
1.2General Cautions......................................................................5
1.3Adhesives .................................................................................5
1.4Using Hand and ESD Protection.............................................5
1.5Protection of Displays, Lenses, and Windows......................5
1.6Acceptable Pry Tools...............................................................5
2Disassembly.............................................................................6
2.1Overview ...................................................................................6
2.1.1Battery Cover Removal.........................................................6
2.1.2Battery Removal....................................................................7
2.1.3Front Cover Removal............................................................8
2.1.4Dome Foil Assembly Removal ............................................11
2.1.5Circuit Board Removal ........................................................12
2.1.6Camera Flex Assembly Removal........................................15
3Part Replacement...................................................................17
3.1Battery Cover..........................................................................17
3.2Phone Label............................................................................17
3.2.1Label Removal ....................................................................17
3.2.2Label Installation .................................................................18
3.2.3Sheet(Battery) Installation...................................................19
3.3Keypad ....................................................................................20
3.4Front Cover.............................................................................21
3.5Dome Foil Assembly..............................................................22
3.6LCD Assembly........................................................................22
3.7Heat Spreader.........................................................................27
3.8Antenna...................................................................................27
3.9Camera Flex Assembly..........................................................28
3.10SIM Flex Module.....................................................................28
3.11Rear Camera Window ............................................................33
3.12Walkman Key..........................................................................34
3.13Volume Key.............................................................................35
3.14Camera Key.............................................................................36
3.15Memory Stick Cover...............................................................37
3.16Co-Brand Label.......................................................................39
3.17Back Cover..............................................................................40
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Working Instruction Repair Instruction Mechanical/3/000 21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4
©Sony Ericsson Mobile Communications AB 2(65)
3.18RF Port Plug............................................................................49
3.19Liquid Intrusion Indicator......................................................51
3.20Board Swap – replace swap board.......................................52
3.21Board Swap – Change Label.................................................53
3.22Board Swap – Customize Software......................................53
4Reassembly............................................................................55
4.1Overview .................................................................................55
4.1.1Camera Flex Assembly Installation.....................................55
4.1.2Circuit Board Installation .....................................................57
4.1.3Dome foil Assembly Installation...........................................60
4.1.4Front Cover Installation.......................................................61
4.1.5Battery Installation...............................................................63
4.1.6Battery Cover Installation....................................................64
5Revision History.....................................................................65

Working Instruction Repair Instruction Mechanical/3/000
21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4
1 Introduction
W880
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction Repair Instruction Mechanical/3/000
21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4
1.1 Tools and Equipment
The following tools and equipment should be available while performing the procedures.
STANDARD TOOLS
•Style 2A Tweezers – Rounded Tip
•Nylon Pointer
•Torque Driver
•Dental Hook
•Plectrum
PRODUCT SPECIFIC TOOLS
•Torx size 6 Bit (T6 bit)
ESD EQUIPMENT
Protect the phone from ESD damages whenever it has
been opened by using:
•ESD-wristband
•ESD-gloves
LABEL EQUIPMENT
The following special equipment is required when replacing
or installing a new label:
•Hot air flow solder station
•Zebra printer connected to computer
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction Repair Instruction Mechanical/3/000 21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4
©Sony Ericsson Mobile Communications AB 5(65)
1.2 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:
•SWITCH OFF THE PHONE AND REMOVE ANY MEMORY STICK BEFORE THE START OF THE DISASSEMBLY!
•KEEP ALL CONTACT SURFACES CLEAN!
•BE CAREFUL WHEN USING TOOLS LIKE THE DENTIST HOOK,TWEEZERS,PRY TOOLS,ETC.TO AVOID
SCRATCHES OR DAMAGES TO THE EXTERIOR AND INTERIOR PARTS OF THE PHONE!
•BE CAREFUL NOT TO DAMAGE ANY CONTACT SPRINGS!
•REMEMBER TO REMOVE THE PROTECTION FOILS ON NEW PARTS SUCH AS THE FRONT COVER AND LCD!
•NEVER TOUCH THE DISPLAY GLASS!
1.3 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.
1.4 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.
1.5 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.
1.6 Acceptable Pry Tools
Whenever the phrase “pry tool” is used, a nylon pointer or a front opening tool may be used
depending on the user’s preference.

Working Instruction Repair Instruction Mechanical/3/000
21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4
2 Disassembly
2.1 Overview
The disassembly is done in the following sequence:
1. Remove Battery Cover
2. Remove Battery
3. Remove Front Cover
4. Remove Dome foil Assembly
5. Remove Circuit Board
6. Remove Camera Flex Assembly
2.1.1 Battery Cover Removal
Locate the battery cover removal notch indicated and use
your finger nail or a pry tool to pull off the battery cover.
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction Repair Instruction Mechanical/3/000 21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4 7(65)
2.1.2 Battery Removal
Locate the battery removal notch and use your finger nail or
pry tool to lift the end of the battery.
Once the end of the battery is lifted, pull the battery out of
the phone.
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Working Instruction Repair Instruction Mechanical/3/000 21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4 8(65)
2.1.3 Front Cover Removal
Using style 2A tweezers, remove the screw plugs.
Be careful to not damage the back cover of the phone.
Use a torque driver and a T6 bit, remove the two rear
screws.
Slide one side of a pair of Style 2A tweezers under the co-
brand label in the location shown and peel the co-brand
plate off of the front cover.
Be careful to not damage the front cover.
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State: Preliminary Rev 4 9(65)
Using a torque driver and a T6 bit, remove the two front
screws.
Insert the tip of a plectrum in the seam between the front
and back covers in the location shown.
The plectrum should be angled so that the tip of it is under
the edge of the front cover.
Slide the plectrum down the seam of the phone until the
latches along that side are released.
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State: Preliminary Rev 4 10(65)
While holding the separated seam apart, insert the tip of the
plectrum in the location shown.
Slide the plectrum along the seam until the latches along
the system connector side of the phone are released.
Lift the front cover off of the phone.
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Working Instruction Repair Instruction Mechanical/3/000 21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4 11(65)
2.1.4 Dome Foil Assembly Removal
Use the tip of the plectrum to release the two latches
indicated from the dome foil assembly support plate.
Using a pry tool, pry in the location shown to detach the
adhesive holding the dome foil assembly to the circuit
board.
Rotate the dome foil assembly away from the system
connector.
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Working Instruction Repair Instruction Mechanical/3/000 21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4 12(65)
Use the flat end of a nylon pointer to disconnect the dome
foil assembly’s flex film connector from the circuit board.
Pull the dome foil assembly straight up out of the phone.
Make sure the camera switch portion of the dome foil
assembly does not get damaged during this movement.
2.1.5 Circuit Board Removal
Use the flat end of a nylon pointer to disconnect both of the
camera flex assembly connectors from the circuit board.
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Working Instruction Repair Instruction Mechanical/3/000 21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4 13(65)
Using a nylon pointer, rotate the black bar portion of the ZIF
connector toward the circuit board.
Use the flat end of a nylon pointer to push the LCD flex film
out of its connector toward the LCD.
Use a nylon pointer to release the two latches indicated
from the bottom edge of the circuit board.
Be careful not to damage the latches when releasing
the circuit board. These latches easily break.
Lift the copper portion of the heat spreader up and fold it
toward the LCD.
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State: Preliminary Rev 4 14(65)
Grip the end of the circuit board that you just released, lift
the circuit board from its cavity in the phone.
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State: Preliminary Rev 4 15(65)
2.1.6 Camera Flex Assembly Removal
Using the flat end of a nylon pointer, disconnect the camera
flex assembly from the SIM flex.
Insert the tip of a pair of tweezers in the hole in the camera
flex assembly indicated.
Do not insert the tip of the tweezers through the smaller
hole at the bottom of the hole in the camera flex
assembly. This can cause damage to the back cover.
Rotate the tweezers away for the LCD. The camera flex
assembly will lift from its cavity in the back cover.
THE VOLUME KEY MAY FALL OUT.
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State: Preliminary Rev 4 16(65)
Remove the flex film assembly from atop the back cover
and set it aside.
If the volume key fell out, make sure its spring is still
attached. Then place it back into its slot in the back cover
with the spring facing downward into the back cover.
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State: Preliminary Rev 4 17(65)
3 Part Replacement
3.1 Battery Cover
Perform the disassembly procedure from section 2.1.1
Obtain a new battery cover.
Perform the reassembly procedure from section 4.1.6
3.2 Phone Label
3.2.1 Label Removal
Perform sections 2.1.1-2.1.2 of the disassembly procedure.
1. Before removing the label, print a new label.
THE TEXT ON THE NEW LABEL MUST BE FULLY READABLE AND
ALL BARCODES MUST BE SCANNABLE.
LABELS ONLY HAVE TO BE REMOVED FROM THE PHONE IF
THERE ARE ALREADY TWO OR MORE LABELS ON THE PHONE.
HEATING UP THE OLD LABEL(S)WITH A HOT AIR DEVICE MAY
MAKE REMOVING THEM EASIER.
2. Carefully peel the old label from the bottom of the
battery cavity.
MAKE SURE THAT ALL ADHESIVE RESIDUE IS REMOVED.
CAREFULLY CLEAN OFF ANY REMAINING RESIDUE WITH
ALCOHOL AND A LINT-FREE CLOTH.
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Working Instruction Repair Instruction Mechanical/3/000 21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4 18(65)
3.2.2 Label Installation
NO MORE THAN TWO LABELS ARE ALLOWED STACKED ON TOP
OF EACH OTHER IN THE BATTERY CAVITY.IF THERE ARE
ALREADY TWO LABELS PRESENT,PERFORM THE LABEL
REMOVAL PROCEDURE BEFORE CONTINUING.
If a new label has not been created yet, then do so at this
time.
WHEN INSTALLING A NEW LABEL,BE VERY CAREFUL TO AVOID
TOUCHING THE CONTACTS OF THE BATTERY CONNECTOR WITH
THE ADHESIVE SIDE OF THE LABEL.
Using style 2A tweezers, place the end of the label that is
adjacent to the battery contacts first. Then roll the rest of
the label down onto the floor of the battery cavity.
Once the label is correctly positioned, carefully smooth it
into place.
Starting at section 4.1.5, perform the remainder of the
reassembly procedure.
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Working Instruction Repair Instruction Mechanical/3/000 21-1/FEA 209 544/123, Mechanical
State: Preliminary Rev 4 19(65)
3.2.3 Sheet(Battery) Installation
Position the Sheet in the middle of the battery cavity.
MAKE SURE THAT THE SHEET IS POSITIONED IN THE MIDDLE OF
THE BATTERY CAVITY.
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State: Preliminary Rev 4 20(65)
3.3 Keypad
Perform sections 2.1.1-2.1.3 of the disassembly procedure.
Remove the keypad from the front cover.
Obtain a new keypad.
Place the new keypad in the front cover.
Press the keypad down around each of its four placement
pins.
Starting at section 4.1.4, perform the remainder of the
reassembly procedure.
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