Working_instructions.pdf

Working Instruction, Mechanical

Applicable for K550i, K550c & K550im

CONTENTS

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

1.1 K550 ÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈ 3

1.2 K550 ÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈ.4

1.3 Equipment................................................................................. 5

1.4 General cautions ...................................................................... 6

2 Disassembly ............................................................................. 7

2.1 Overview ................................................................................... 8

2.1.1 Battery Cover & Battery......................................................... 9

2.1.2 Speaker Cover .................................................................... 11

2.1.3 Front Cover ......................................................................... 12

2.1.4 Keypad ................................................................................ 14

2.1.5 PCBA .................................................................................. 15

3 Replacements......................................................................... 16

3.1 Battery Cover..........................................................................17

3.2 Speaker Cover ........................................................................17

3.3 Front Cover .............................................................................17

3.4 Keypad ....................................................................................17

3.5 PCBA ÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈ..17

3.6 Back Cover..............................................................................17

3.7 Co-brand Label .......................................................................18

3.8 RF Cap .....................................................................................20

3.9 Vibrator....................................................................................21

3.10 Power Key ...............................................................................22

3.11 Volume Key.............................................................................23

3.12 Music Key................................................................................25

3.13 Camera Key.............................................................................27

3.14 Ear SpeakerÑ ReceiverÑ Tape................................................29

3.15 Ear Speaker ÐReceiverÑ .........................................................30

3.16 LCD ÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈ..31

3.17 Frame ÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈÈ..35

3.18 Dome Assy..............................................................................37

3.19 Loudspeaker ...........................................................................38

3.20 Flash LED / BT Antenna Frame.............................................40

3.21 Flash LED ................................................................................42

3.22 BT Antenna .............................................................................43

3.23 Shield Lid Main BB.................................................................44

3/000 21-1/FEA 209 544/122 A

Company Internal © Sony Ericsson Mobile Communications AB

Working Instruction , Mechanical

3.24 Camera ....................................................................................46

3.25 Antenna ...................................................................................49

3.26 SIM Tape..................................................................................51

3.27 Liquid Intrusion Indicator ......................................................52

3.28 KRH Label ...............................................................................53

4 Reassembly ............................................................................ 54

4.1 Overview .................................................................................55

4.1.1 PCBA .................................................................................. 56

4.1.2 Keypad ................................................................................ 57

4.1.3 Front Cover ......................................................................... 58

4.1.4 Speaker Cover .................................................................... 59

4.1.5 Battery & Battery Cover....................................................... 60

5 Revision history ..................................................................... 62

3/000 21-1/FEA 209 544/122 A

Company Internal © Sony Ericsson Mobile Communications AB

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Working Instruction , Mechanical

1 Introduction

1.1 K550

3/000 21-1/FEA 209 544/122 A

Company Internal © Sony Ericsson Mobile Communications AB

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Working Instruction , Mechanical

1.2 K550

3/000 21-1/FEA 209 544/122 A

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Working Instruction , Mechanical

1.3 Equipment

SPECIAL TOOLS

• NTZ 112 459 Torque screwdriver (or equivalent)

• NTZ 112 288 Torx bit no. 6

• NTZ 112 1052 JCIS BIT

• NTZ 111 077 Camera Tool

• NTZ 112 521 Flex film assembly tool

• NTZ 112 302/2 Front opening tool

STANDARD TOOLS

Standard tools have to be locally purchased

• Dentist hook

• ESD tweezers

• Guitar pick

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

OTHER EQUIPMENT

• ESD-wristband

• ESD-gloves

• Isopropyl alcohol

• Air blower

3/000 21-1/FEA 209 544/122 A

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