jak rozebrac K770i.pdf

Working Instruction, Mechanical

Applicable for K770

CONTENTS

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

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

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

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

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

2.1.1 Battery Cover Assy & Battery ................................................ 7

2.1.2 Memory Stick Micro (M2) 128 MB ......................................... 8

2.1.3 Front Cover Assembly........................................................... 9

2.1.4 PBA Unit & Frame Assembly............................................... 10

2.1.5 Keypad support plate Assembly .......................................... 11

3 Replacements......................................................................... 12

3.1 Battery Cover..........................................................................13

3.2 Memory Stick Micro (M2) 128 MB .........................................13

3.3 Front Cover Assembly ...........................................................13

3.4 Frame Assembly.....................................................................13

3.5 Keypad support plate Assembly...........................................13

3.6 LCD Module ............................................................................14

3.7 Ear Speaker.............................................................................16

3.8 M2 & SIM Assembly ...............................................................17

3.9 Antenna box & Speaker / Gasket ..........................................19

3.10 Camera Module & Camera lens.............................................20

3.11 VGA Camera ...........................................................................22

3.12 System Connector &System Connector gasket..................24

3.13 Keypad Assembly Navi..........................................................25

3.14 Keypad Assembly Numeric ...................................................26

3.15 Camera cap Assembly ...........................................................27

3.16 Camera door PWBA ...............................................................28

3.17 Camera Key Assembly...........................................................29

3.18 On/Off Key Assembly.............................................................30

3.19 Volume Key Assembly...........................................................30

3.20 KRH Label ...............................................................................31

4 Reassembly ............................................................................ 32

4.1 Overview .................................................................................32

4.1.1 Keypad support plate Assembly .......................................... 33

4.1.2 PCBA Unit & Frame Assembly ............................................ 34

4.1.3 Front Cover Assembly......................................................... 35

3/000 21-1/FEA 209 544/142 A

Company Internal © Sony Ericsson Mobile Communications AB

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Working Instruction , Mechanical

4.1.4 Memory Stick Micro (M2) 128 MB ....................................... 36

4.1.5 Battery & Battery Cover Assembly ...................................... 37

5 Revision history ..................................................................... 38

3/000 21-1/FEA 209 544/142 A

Company Internal © Sony Ericsson Mobile Communications AB

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Working Instruction , Mechanical

1 Introduction

K770

3/000 21-1/FEA 209 544/142 A

Company Internal © Sony Ericsson Mobile Communications AB

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Working Instruction , Mechanical

1.1 Equipment

SPECIAL TOOLS

• NTZ 122 459 Torque screwdriver (or equivalent)

• NTZ 122 288 Torx bit no. 6

• NTZ 112 1052 JCIS bit

• NTZ 112 302/2 Front opening tool

• NTZ 122 521 Flex film assembly tool

• NTZ 112 1077 Vga camera tool

• 1201-9362 3Mpixel Camera removal tool

• NTZ 112 590 Guitar pick

STANDARD TOOLS

• Dentist hook

• Blunt pair of tweezers

• Guitar pick

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:

• 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 !

ADHESIVES

Use a dentist hook or a blunt pair of tweezers to remove old adhesives.

If necessary, clean the surface with isopropyl alcohol before attaching new adhesives.

PRECAUTIONARY ACTIONS

Press the On/Off button to turn off the phone before the

start of the disassembly.

3/000 21-1/FEA 209 544/142 A

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