Sony Ericsson W890 User manual

Working Instruction, Mechanical
Working Instruction, Mechanical
Applicable for W890
CONTENTS
1Introduction ..............................................................................3
1.1 Equipment.................................................................................4
1.2 General cautions......................................................................5
1.3 Adhesives .................................................................................5
2Disassembly .............................................................................6
2.1 Overview ...................................................................................6
2.1.1 Battery Cover & Battery.........................................................7
2.1.2 Front Cover Assy Complete......................................................8
2.1.3 Rear Cover Assembly.............................................................10
2.1.4 Ant Main PIFA.........................................................................12
2.1.5 Main PWB...............................................................................13
2.1.6 Camera Flex Module...............................................................14
2.1.7 Display 2,02A-SI TFT..............................................................16
2.1.8 Key Flex Module and Frame Sub Assembly PWB..................17
3Replacements.........................................................................19
3.1 Battery Cover & Battery.........................................................20
3.2 Front Cover Assembly Complete..........................................20
3.3 Rear Cover Assembly............................................................20
3.4 Ant Main PIFA.........................................................................20
3.5 Camera Flex Module ..............................................................20
3.6 Display 2,02A-SI TFT..............................................................20
3.7 Key Flex Module.....................................................................20
3.8 Frame Sub Assembly PWB ...................................................20
3.9 Screw Cap...............................................................................21
3.10 QCIF VGA Camera..................................................................22
3.11 Cap GrommetF .......................................................................24
3.12 Keyboard Main........................................................................25
3.13 RF Cap.....................................................................................26
3.14 Key On/Off...............................................................................27
3.15 SIM/M2 Flex Module...............................................................28
3.16 Memory stick 2GB M2............................................................29
3.17 Key Volume.............................................................................30
3.18 Key Camera.............................................................................31
3.19 Key Music................................................................................32
3.20 Core unit label ........................................................................33
1209-0972 Rev 2 1(64)
3.21 Co-Brand Label.......................................................................34
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 2(64)
3.22 Rubber GND............................................................................35
3.23 Shield Can Lid RF...................................................................36
3.24 Shield Can Lid BB..................................................................37
3.25 Gasket BB ...............................................................................38
3.26 Gasket RF................................................................................39
3.27 Sheet Isolation........................................................................40
3.28 Sheet (Lid BB).........................................................................41
3.29 Sheet (Lid RF).........................................................................42
3.30 Sheet (GSM)............................................................................43
3.31 Sheet (UMTS)..........................................................................44
3.32 Spacer (LCD_conn)................................................................45
3.33 Camera 3Mpixel CMOS..........................................................46
3.34 Cap Grommet CamR..............................................................48
3.35 Frame Sub Assembly Camera...............................................49
3.36 Cushion 0.0 mm (System conn)............................................51
3.37 Liquid Intrusion Indicator......................................................52
4Reassembly ............................................................................54
4.1 Overview .................................................................................54
4.1.1 Frame Sub Assembly PWB and Key Flex Module ..............55
4.1.2 Display 2,02A-SI TFT..............................................................56
4.1.3 Camera Flex Module...............................................................57
4.1.4 Main PWB...............................................................................59
4.1.5 Ant Main PIFA.........................................................................60
4.1.6 Rear Cover Assembly.............................................................61
4.1.7 Front Cover Assembly Complete ............................................62
4.1.8 Battery & Battery Cover ..........................................................63
5Revision history .....................................................................64
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 3(64)
1 Introduction
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 4(64)
1.1 Equipment
SPECIAL TOOLS
Special tools text:
•NTZ 122 459 Torque screwdriver (or equivalent)
•NTZ 122 288 Bits (T6)
•NTZ 112 1052 Bits(JCIS No 0)
•NTZ 112 302/2 Front opening tool
•NTZ 122 521 Flex film assembly tool
•1207-0198 Camera Removal Tool 3Mpixel
•NTZ1121077 Camera Tool
•NTZ 112 590 Plectrum/SVC & Repair
STANDARD TOOLS
Standard tools text:
•Dentist hook
•ESD tweezers
•Nylon Pointer
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, Mechanical
1209-0972 Rev 2 5(64)
1.2 General cautions
The following cautions are considered to be generic for all phone models and will not be repeated in
the Disassembly, Replacements and Reassembly 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,OPENING TOOLS,GUITAR PICK
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!
•USE AIR BLOW EQUIPMENT TO KEEP THE FRONT WINDOW AND DISPLAY MODULE DUST FREE!
1.3 Adhesives
Use a dentist hook and/or the tweezers to remove old adhesives.
Clean the surface with isopropyl alcohol before attaching new adhesives.
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 6(64)
2 Disassembly
When you are going to replace a part being listed in Replacements, the instruction of that section
usually begins by directing you to this Disassembly section with a specification of the instructions you
have to carry out in order to disassemble the phone as far as needed before returning to
Replacements for the actual replacement.
Start
DISASSEMBLY REASSEMBLY
Contents
page
REPLACEMENTS
Done
2.1 Overview
The disassembly is done in the following sequence:
1. Battery Cover & Battery
2. Front Cover Assy Complete
3. Rear Cover Assembly
4. Ant Main PIFA
5. Main PWB
6. Camera Flex Module
7. Display 2,02A-SI TFT
8. Key Flex Module and Frame Sub Assembly PWB
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 7(64)
2.1.1 Battery Cover & Battery
Use your fingers to unsnap the two locks on the side of the
phone.
Lift up the battery cover
Remove the Battery
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 8(64)
2.1.2 Front Cover Assy Complete
Use a dentist hook to remove the two Screw caps
Use Torx bit no 6 to remove the four screws
Use a guitar pick to unsnap the Front Cover
Continue on the other side to unsnap the Front Cover
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 9(64)
Disassembly Instruction continued
Remove the Front Cover Assembly Complete
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 10(64)
2.1.3 Rear Cover Assembly
Locate the four snap hooks
Use a guitar pick to unhook the Rear Cover Assembly
Use a guitar pick to unhook the Rear Cover Assembly
Flip over the Rear Cover Assembly
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 11(64)
Disassembly Instruction continued
Use a Nylon Pointer to detach the Rear Cover Assembly
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 12(64)
2.1.4 Ant Main PIFA
Use your fingers to unsnap the Antenna
Remove the Antenna Main PIFA
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 13(64)
2.1.5 Main PWB
Use a Plectrum to unsnap the Main PWB
Use your fingers to flip over the Main PWB
Use a Nylon Pointer to detach the three BtB connectors
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 14(64)
2.1.6 Camera Flex Module
Use the JCIS bit to remove the two screws
Use a Flex film assembly tool to detach the pads
Use a Flex film assembly tool to detach the Camera Flex
Module
Use a Flex film assembly tool to detach the Camera Flex
Module
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 15(64)
Disassembly Instruction continued
Remove the Camera Flex Module
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 16(64)
2.1.7 Display 2,02A-SI TFT
Use a pair of tweezers to unsnap the display
Use your fingers to remove the display
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 17(64)
2.1.8 Key Flex Module and Frame Sub Assembly PWB
Use a dentist hook to unsnap the vibrator
Use a Flex film assembly tool to detach the camera pad
Use a Flex film assembly tool to detach the key flex module
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 18(64)
Disassembly Instruction continued
Use a Flex film assembly tool to remove the Key Flex
Module.
Frame Sub Assembly PWB
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 19(64)
3 Replacements
Search for the part to be replaced on the Contents page and go to that instruction to be found in this
Replacements section.
The instruction usually begins by directing you to the Disassembly section with a specification of the
instructions you have to carry out in order to disassemble the phone as far as needed before the
actual replacement.
Go back to this Replacements section and carry out the instruction.
The instruction usually ends by directing you to the Reassembly section with a specification of the
instructions you have to carry out in order to reassemble the phone.
Start
DISASSEMBLY REASSEMBLY
Contents
page
REPLACEMENTS
Done
Company Internal ©Sony Ericsson Mobile Communications AB

Working Instruction, Mechanical
1209-0972 Rev 2 20(64)
3.1 Battery Cover & Battery
Follow the 2.1.1 Disassembly instructions!
Replace Battery Cover and/or Battery
Follow the 4.1.8 Reassembly instructions!
3.2 Front Cover Assembly Complete
Follow the 2.1.1 – 2.1.2 Disassembly instructions!
Replace Front Cover Assembly Complete
Follow the 4.1.7 – 4.1.8 Reassembly instructions!
3.3 Rear Cover Assembly
Follow the 2.1.1 – 2.1.3 Disassembly instructions!
Replace Rear Cover Assembly
Follow the 4.1.6 – 4.1.8 Reassembly instructions!
3.4 Ant Main PIFA
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
Replace Ant Main PIFA
Follow the 4.1.5 – 4.1.8 Reassembly instructions!
3.5 Camera Flex Module
Follow the 2.1.1 – 2.1.6 Disassembly instructions!
Replace Camera Flex Module
Follow the 4.1.3 – 4.1.8 Reassembly instructions!
3.6 Display 2,02A-SI TFT
Follow the 2.1.1 – 2.1.7 Disassembly instructions!
Replace Display
Follow the 4.1.2 – 4.1.8 Reassembly instructions!!
3.7 Key Flex Module
Follow the 2.1.1 – 2.1.8 Disassembly instructions!
Replace Key Flex Module
Follow the 4.1.1 – 4.1.8 Reassembly instructions!
3.8 Frame Sub Assembly PWB
Follow the 2.1.1 – 2.1.8 Disassembly instructions!
Replace Frame Sub Assembly PWB
Follow the 4.1.1 – 4.1.8 Reassembly instructions!
Company Internal ©Sony Ericsson Mobile Communications AB