K850i.pdf

Working Instruction, Mechanical

Applicable for K850

CONTENTS

1 Introduction .............................................................................. 3

1.1 Equipment................................................................................. 4

1.2 General cautions ...................................................................... 5

1.3 Adhesives ................................................................................. 5

2 Disassembly ............................................................................. 6

2.1 Overview ................................................................................... 6

2.1.1 Battery, M2 and Battery Door ................................................ 7

2.1.2 Rear Cover Assembly ........................................................... 7

2.1.3 Antenna................................................................................. 9

2.1.4 Front Cover Assembly......................................................... 10

2.1.5 Key FPC .............................................................................. 12

2.1.6 Display ................................................................................ 13

2.1.7 SIM/COMBO Reader........................................................... 14

2.1.8 Xenon Flash Assy and Camera Cover ................................ 15

2.1.9 Speaker ............................................................................... 15

2.1.10 Holder Metal Frame............................................................. 16

2.1.11 Label Tray ........................................................................... 17

2.1.12 Camera 5 MPixel CMOS ..................................................... 17

2.1.13 Bluetooth Antenna............................................................... 18

2.1.14 Main PCB ............................................................................ 18

3 Replacements......................................................................... 20

3.1 Battery ..................................................................................... 21

3.2 Memory Stick M2 .................................................................... 21

3.3 Battery Door............................................................................ 21

3.4 Rear Cover Assembly ............................................................ 21

3.5 Antenna ................................................................................... 21

3.6 Front Cover Assembly ........................................................... 21

3.7 Key FPC................................................................................... 21

3.8 Display..................................................................................... 22

3.9 SIM/COMBO Reader ............................................................... 22

3.10 Xenon Flash Assy .................................................................. 22

3.11 Camera Cover ......................................................................... 22

3.12 Speaker ................................................................................... 22

3.13 Holder Metal Frame ................................................................ 22

3.14 Label Tray ............................................................................... 22

3.15 Camera 5 MPixel CMOS ......................................................... 23

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Company Internal © Sony Ericsson Mobile Communications AB

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Working Instruction , Mechanical

3.16 Bluetooth Antenna ................................................................. 23

3.17 Holder Inner Frame Assy....................................................... 23

3.18 Rubber Connector.................................................................. 23

3.19 Key Volume............................................................................. 23

3.20 Key On/Off............................................................................... 23

3.21 Key Camera............................................................................. 23

3.22 Vibrator.................................................................................... 23

3.23 Microphone ............................................................................. 24

3.24 Microphone Connector Grommet ......................................... 24

3.25 System Connector.................................................................. 24

3.26 Dust Gasket System Connector............................................ 24

3.27 Camera QCIF MPixel CMOS .................................................. 24

3.28 Ear Speaker............................................................................. 24

3.29 Strap Plate............................................................................... 24

3.30 Liquid Intrusion Indicator ...................................................... 25

3.31 Liquid Intrusion Indicator ...................................................... 25

3.32 Label ...................................................................................... 26

4 Reassembly ............................................................................ 27

4.1 Overview ................................................................................. 27

4.1.1 Main PCB ............................................................................ 28

4.1.2 Bluetooth Antenna............................................................... 29

4.1.3 Camera 5 MPixel CMOS ..................................................... 30

4.1.4 Label Tray ........................................................................... 31

4.1.5 Holder Metal Frame............................................................. 31

4.1.6 Speaker ............................................................................... 32

4.1.7 Antenna............................................................................... 32

4.1.8 Xenon Flash Assy ............................................................... 33

4.1.9 SIM/COMBO Reader........................................................... 34

4.1.10 Display ................................................................................ 36

4.1.11 Key FPC .............................................................................. 36

4.1.12 Front Cover Assembly......................................................... 37

4.1.13 Rear Cover Assembly ......................................................... 38

4.1.14 Battery Door ........................................................................ 39

4.1.15 Battery and M2 .................................................................... 40

5 Revision history ..................................................................... 41

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Working Instruction, Mechanical

1 Introduction

K850

3/000 21-1/FEA 209 544/131 A

Company Internal © Sony Ericsson Mobile Communications AB

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Working Instruction, Mechanical

1.1 Equipment

STANDARD TOOLS

• NTZ 112 459 - Torque Screwdriver

• Style 2A Tweezers

• Dental Hook

• Nylon Pointer

• NTZ 112 590 - Plectrum (guitar pick)

• NTZ 112 302/2 - Front Opening Tool

• NTZ 112 1052 - JCIS No. 0 Screw Bit

• SXA 109 3563 - Torx Bit No. 4

• NTZ 112 288 - Torx Bit No. 6

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

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Working Instruction, Mechanical

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:

• S WITCH OFF THE PHONE AND REMOVE ANY MEMORY STICK BEFORE THE START OF THE DISASSEMBLY !

• K EEP ALL CONTACT SURFACES CLEAN !

• B E CAREFUL WHEN USING TOOLS LIKE THE DENTAL HOOK , TWEEZERS , OPENING TOOLS , GUITAR PICK

ETC . TO AVOID SCRATCHES OR DAMAGES TO THE EXTERIOR AND INTERIOR PARTS OF THE PHONE !

• B E CAREFUL NOT TO DAMAGE ANY CONTACT SPRINGS !

• R EMEMBER TO REMOVE THE PROTECTION FOILS ON NEW PARTS SUCH AS THE FRONT COVER AND LCD !

• N EVER TOUCH THE DISPLAY GLASS !

• U SE AIR BLOW EQUIPMENT TO KEEP THE FRONT WINDOW AND DISPLAY MODULE DUST FREE !

1.3 Adhesives

Use a dental hook and/or the tweezers to remove old adhesives.

Clean the surface with isopropyl alcohol before attaching new adhesives.

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