Sony Ericsson K320 Working instructions

Working Instruction, Mechanical

Applicable for K320

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 Front Cover assy................................................................... 8

2.1.3 PBA Unit................................................................................ 9

2.1.4 Metal Frame assy................................................................10

2.1.5 Keypad PWB assy............................................................... 11

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

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

3.2 Front Cover assy .................................................................... 13

3.3 Metal Frame assy ...................................................................13

3.4 Frame sub- assy ..................................................................... 13

3.5 LCD Module ............................................................................14

3.6 Joystick Cap & Joystick Gasket ...........................................16

3.7 Camera Module VGA & Camera Gasket...............................18

3.8 System Connector..................................................................20

3.9 Liquid Intrusion Indicator ...................................................... 21

3.10 UI Module Frame ....................................................................22

3.11 Dome Sheet assy....................................................................23

3.12 Keypad assy ...........................................................................24

3.13 Audio Pipe assy...................................................................... 25

3.14 Pogo Pin..................................................................................26

3.15 Receiver ..................................................................................27

3.16 IR Window ...............................................................................28

3.17 Speaker, Speaker Gasket & Speaker Dust Net....................29

3.18 Vibrator.................................................................................... 31

3.19 Microphone assy .................................................................... 32

3.20 Camera Key assy....................................................................33

3.21 Power Key assy ...................................................................... 34

3.22 Operator Key assy..................................................................35

3.23 Operator Logo assy ...............................................................36

3.24 Operator Key Label ................................................................ 37

3.25 Label ......................................................................................38

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4 Reassembly ............................................................................ 39

4.1 Overview .................................................................................39

4.1.1 Keypad PWBA assy ............................................................ 40

4.1.2 Metal Frame assy................................................................41

4.1.3 PBA Unit.............................................................................. 42

4.1.4 Front Cover assy................................................................. 43

4.1.5 Battery & Battery Cover....................................................... 44

5 Revision history ..................................................................... 45

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Working Instruction, Mechanical

1 Introduction

K320

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Working Instruction, Mechanical

1.1 Equipment

SPECIAL TOOLS

• NTZ 122 459 Torque screwdriver (or equivalent) set to 17 Ncm+/- 6%

• NTZ 122 288 Torx bit no. 6

• NTZ 112 1070 Camera removal tool (NEW!)

• NTZ 122 521 Flex film assembly tool

• NTZ 122 302/2 Front opening tool

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!

Turn off the phone before the start of the disassembly.

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Working Instruction, Mechanical

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.

REPLACEMENTS

Start

Contents

page

DISASSEMBLY

2.1 Overview

The disassembly is done in the following sequence:

1. Battery Cover (a) & Battery

2. Front Cover asm

3. PBA unit

4. Metal Frame asm

5. Keypad PWBA asm

REASSEMBLY

Done

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2.1.1 Battery Cover assy & Battery

Press on the bottom of the battery cover and simultaneously push it upwards.

Lift the battery cover up and release it from the frame.

Release the battery at the bottom and remove it.

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2.1.2 Front Cover assy

Position the front opening tool in the gap underneath the system connector.

Unhook the front cover by gently bending it out from the system connector.

Grab the front cover and carefully remove it from the frame.

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2.1.3 PBA Unit

Use torx bit no. 6 to remove the four screws.

Lift and remove the PBA unit starting at the bottom of the phone.

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2.1.4 Metal Frame assy

THE METAL FRAME HAS GOT TWO SNAP HOOKS!

Use the front opening tool to unsnap the metal frame from the PBA.

Grab the metal frame at the top and carefully lift it upwards to remove it.

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2.1.5 Keypad PWB assy

Grab the keypad PWB and remove it.

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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.

REPLACEMENTS

Start

Contents

page

DISASSEMBLY REASSEMBLY

Done

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Working Instruction, Mechanical

3.1 Battery Cover

Follow the 2.1.1 Disassembly instructions! Prepare the new battery cover. Follow the 4.1.5 Reassembly instructions!

3.2 Front Cover assy

Follow the 2.1.1 – 2.1.2 Disassembly instructions! Prepare the new front cover. Follow the 4.1.4 – 4.1.5 Reassembly instructions!

3.3 Metal Frame assy

Follow the 2.1.1 – 2.1.4 Disassembly instructions! Prepare the new metal frame. Follow the 4.1.2 – 4.1.5 Reassembly instructions!

3.4 Frame sub- assy

Follow the 2.1.1 – 2.1.3 Disassembly instructions! Follow the 3.13 & 3.15 – 3.22 Removal instructions!

Prepare the new frame. Follow the 3.15 – 3.22, 3.13 & 3.25 Installation instructions!

Follow the 4.1.3 – 4.1.5 Reassembly instructions!

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3.5 LCD Module

REMOVAL

Follow the 2.1.1 – 2.1.5 Disassembly instructions!

Use the flex film opening tool and carefully press the bar on the ZIF-connector straight backwards to open the ZIFconnector.

Use the flex film opening tool to remove the flex film.

Carefully lift up the LCD module.

INSTALLATION

Use the flex film opening tool and insert the flex film into the ZIF-connector.

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Sony Ericsson K320 Working instructions

Specifications and Main Features

Frequently Asked Questions

User Manual