Sony Ericsson T303 Schematics

Working Instruction, Mechanical

Applicable for T303

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 Cover & Battery.........................................................7

2.1.2 Antenna Cover ......................................................................8

2.1.3 PCB.......................................................................................9

2.1.4 Rear Cover Assy.................................................................10

2.1.5 Slide Hinge Assy.................................................................11

2.1.6 Function Key FPC Assy ......................................................13

2.1.7 Display 128x160 TFT..........................................................14

2.1.8 Front Cover Assy.................................................................15

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

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

3.2 Bottom Cover U-Shape..........................................................17

3.3 Keyboard.................................................................................17

3.4 Rear Cover Assy.....................................................................17

3.5 Function Key FPC Assy.........................................................17

3.6 Top Rear Cover.......................................................................17

3.7 Display 128x160 TFT..............................................................17

3.8 Slide Hinge Assy....................................................................18

3.9 Hinge FPC Assy......................................................................18

3.10 Camera 1.3 MPixel CMOS......................................................18

3.11 Damper Camera......................................................................18

3.12 Magnet.....................................................................................18

3.13 Battery Connector 5pin & Liquid Intrusion Indicator .........19

3.14 System Connector BT Antenna & System Connector

Sponge ....................................................................................20

3.15 Microphone Sponge Dust Net...............................................21

3.16 Anti-Friction Block.................................................................21

3.17 Main Keypad FPC Assy .........................................................22

3.18 Function Key FPC Assy & Loudspeaker Box 38.5x19........23

3.19 Camera Window .....................................................................24

3.20 Plating Camera Sheet ............................................................25

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3.21 Ear Speaker 11.0x7.0 Rectangular........................................26

3.22 Function Keyboard.................................................................27

3.23 Magnet.....................................................................................28

3.24 Conductive Rubber & Damper Stopper................................28

3.25 Damper Stopper .....................................................................29

3.26 KRH Label ...............................................................................29

4 Reassembly ............................................................................30

4.1 Overview .................................................................................30

4.1.1 Front Cover Assy.................................................................31

4.1.2 Display 128x160 TFT..........................................................32

4.1.3 Function Key FPC Assy ......................................................33

4.1.4 Slide Hinge Assy.................................................................35

4.1.5 Rear Cover Assy.................................................................37

4.1.6 PCB.....................................................................................38

4.1.7 Antenna Cover ....................................................................39

4.1.8 Battery Cover & Battery.......................................................41

5 Revision history.....................................................................42

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Working Instruction, Mechanical

1 Introduction

T303 - Black

T303 - Silver

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Working Instruction, Mechanical

1.1 Equipment

SPECIAL TOOLS

Special tools can be found in the tool catalogue

• Screwdriver

• JCIS Bits

• Guitar Pick

STANDARD TOOLS

Standard tools text:

• Dentist Hook (optional)

• Pair of tweezers

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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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!

• 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!

E CAREFUL NOT TO DAMAGE ANY CONTACT SPRINGS!

• B

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

• NEVER TOUCH THE DISPLAY GLASS!

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

• U

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.

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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

Content

page

DISASSEMBLY

2.1 Overview

The disassembly is done in the following sequence:

1. Battery Cover (a) & Battery (b)

2. Antenna Cover

3. PCB

4. Rear Cover Assy

5. Slide Hinge Assy

6. Function Key FPC Assy

7. Display 128x160 TFT

8. Front Cover Assy

REASSEMBLY

Done

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2.1.1 Battery Cover & Battery

Hold the phone and slide off the battery cover.

Use your thumb to push up the Battery.

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2.1.2 Antenna Cover

Release the two screws with a screwdriver

Use a pair of tweezers to remove the Bottom Cover U-Shape and pick up Main keypad.

Release the two screws with a screwdriver.

Use your thumb to remove the antenna cover from Rear Cover.

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2.1.3 PCB

Use the Guitar pick to release the connector for the Main Keyboard FPC assy.

Use the Guitar pick to lift up the Main Keyboard FPC assy.

Use the Guitar pick to lift up and remove main PCB

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2.1.4 Rear Cover Assy

Use a pair of tweezers to remove the Top Rear Cover

Use a pair of tweezers to remove the screw mylars

Release the six screws

NOTE! You must slide the phone half-ways to access two of the

screws

Use your fingers to separate the Front Cover Assy and the Rear Cover Assy.

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2.1.5 Slide Hinge Assy

DO NOT DAMAGE THE FPC CONNECTOR!

Use the guitar pick to release the connector for the Hinge FPC Assy.

Use you finger to separate Slide Hinge Assy from Rear Cover Assy

Use the guitar pick to remove the main key dome assy.

Use a pair of tweezers to remove the black cover mylar from the slide hinge module

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Slide Hinge Assy continued

Use a pair of tweezers to remove the Mylar Hinge FPC from the Slide Hinge Assy.

THERE IS ADHESIVE UNDER THE HINGE FPC ASSY!

Use a pair of tweezers to separate the hinge FPC.

Use a pair of tweezers to separate the Hinge FPC on the other side.

Use a pair of tweezers to pull out the Hinge FPC Assy

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Working Instruction, Mechanical

2.1.6 Function Key FPC Assy

Use the guitar pick to pick up the Loudspeaker Box from the Front Cover Assy.

Use the guitar pick to release the camera FPC connector from Function Key FPC Assy.

Use the guitar lift up function key FPC from the upper side.

Use the guitar pick to separate the Function Key FPC Assy from the Display and the Front Cover Assy.

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