Sony Ericsson DZ550 Diagram

Working Instruction, Mechanical

Applicable for Z550i, Z550c, Z550a, Z558i & Z558c

CONTENTS

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

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

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

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

2.1 Lower unit .................................................................................7

2.1.1 Battery Cover & Battery......................................................... 8

2.1.2 Screw Covers........................................................................ 9

2.1.3 Lower Outer Cover .............................................................. 10

2.1.4 Speaker Box........................................................................ 12

2.1.5 PCBA ..................................................................................13

2.1.6 Keypad ................................................................................ 14

2.1.7 Side Ring Strap ................................................................... 15

2.1.8 Side Ring............................................................................. 16

2.1.9 Lower Inner Cover...............................................................17

2.2 Upper unit ...............................................................................19

2.2.1 Co-Brand Screw Covers...................................................... 20

2.2.2 Upper Outer Cover .............................................................. 21

2.2.3 Upper Inner Cover...............................................................23

3 Replacements......................................................................... 25

3.1 Battery Cover..........................................................................26

3.2 Screw Covers.......................................................................... 26

3.3 Lower Outer Cover ................................................................. 26

3.4 Speaker Box............................................................................ 26

3.5 Side Ring Strap....................................................................... 26

3.6 Side Ring.................................................................................26

3.7 Lower Inner Cover..................................................................26

3.8 Co-Brand Screw Covers ........................................................ 27

3.9 Upper Outer Cover ................................................................. 27

3.10 Upper Inner Cover .................................................................. 27

3.11 Dual LCD .................................................................................28

3.12 Main FPC .................................................................................31

3.13 Camera ....................................................................................34

3.14 Vibrator & Vibrator Support ..................................................36

3.15 Magnet.....................................................................................38

3.16 Receiver ..................................................................................39

3.17 Hinge 40

3.18 Sub Display Window .............................................................. 42

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3.19 Electric Cloths ........................................................................ 43

3.20 Dome Sheet Array .................................................................. 44

3.21 System Connector..................................................................45

3.22 Liquid Intrusion Indicator ...................................................... 46

3.23 Label 47

4 Reassembly ............................................................................ 48

4.1 Upper unit ...............................................................................49

4.1.1 Upper Inner Cover...............................................................50

4.1.2 Lower Inner Cover...............................................................51

4.1.3 Upper Outer Cover .............................................................. 53

4.1.4 Co-Brand Screw Covers...................................................... 54

4.2 Lower unit ...............................................................................55

4.2.1 Side Ring............................................................................. 56

4.2.2 Side Ring Strap ................................................................... 57

4.2.3 Keypad ................................................................................ 58

4.2.4 PBA ..................................................................................... 59

4.2.5 Speaker Box........................................................................ 60

4.2.6 Lower Outer Cover .............................................................. 61

4.2.7 Screw Covers...................................................................... 62

4.2.8 Battery & Battery Cover....................................................... 63

5 Revision history ..................................................................... 64

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Working Instruction, Mechanical

1 Introduction

Z550

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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 1067 Mega camera removal tool

• NTZ 122 521 Flex film assembly tool

• NTZ 112 302/2 Front opening tool

STANDARD TOOLS

Standard tools have to be locally purchased

• 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 LCD!

•

NEVER TOUCH THE DISPLAY GLASS!

•

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

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

How to open a board-to-board connector with the front opening tool.

How to open and close a FPC connector.

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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

Contents

page

DISASSEMBLY

REASSEMBLY

Done

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Working Instruction, Mechanical

2.1 Lower unit

The disassembly is done in the following order:

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

2. Screw Covers (not to be reused)

3. Lower Outer Cover

4. Speaker Box

5. PCBA

6. Keypad

7. Side Ring Strap

8. Side Ring

9. Lower Inner Cove

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2.1.1 Battery Cover & Battery

Press on top of the battery cover and push it forward to open up a gap,

and slide it until it becomes released and can be removed.

Put your finger here,

to raise and remove the battery.

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2.1.2 Screw Covers

Carefully insert the dentist hook under one of the screw covers to have it detached and then removed.

Do the same with the second screw cover.

HE SCREW COVERS CANNOT BE REUSED AND MUST BE

T

SCRAPPED!

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2.1.3 Lower Outer Cover

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

There are six snap hooks located here that have to be unlatched.

Insert the guitar pick as shown in picture and slide it along this side towards the hinge to unlatch the three snap hooks.

If necessary, slide back and forth until all three hooks are unlatched.

Do the same on the opposite side.

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Lower Outer Cover continued

Insert the guitar pick at the position of the hinge (as shown in picture) and slide it round the corner towards the opposite corner to open up a gap.

Carefully lift off the lower outer cover.

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2.1.4 Speaker Box

Insert the front opening tool and release the speaker box from the PBA on this side.

Do the same on the opposite side.

Remove the speaker box.

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2.1.5 PCBA

Disconnect the board-to-board connector with the front opening tool (see picture page 5).

Release the PCBA from the lower inner cover with the front opening tool.

Do the same on the opposite side.

Remove the PCBA.

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2.1.6 Keypad

Remove the keypad with the tweezers or by hand.

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2.1.7 Side Ring Strap

Use the front opening tool to raise the side ring strap from its position,

and remove it with the tweezers.

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2.1.8 Side Ring

Use the dentist hook or the tweezers to push the side ring out of its hole,

and remove it with the tweezers

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2.1.9 Lower Inner Cover

This is the hinge which can be moved inwards like a spring.

Press the hinge inwards with the tweezers (1) and at the same time move the lower inner cover in the direction of the arrow (2),

until the lower inner cover is released from the hinge. Continue to push,

until the lower inner cover is separated from the upper unit.

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Lower Inner Cover continued

Slide the flex film out of the hole of the lower inner cover,

to make it completely separated from the upper unit.

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2.2 Upper unit

The disassembly is done in the following order:

1. Co-Brand Screw Covers (not to be reused)

2. Upper Outer Cover

3. Upper Inner Cover

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2.2.1 Co-Brand Screw Covers

BE CAREFUL NOT TO DAMAGE THE UPPER INNER COVER

DURING THIS OPERATION

Use the tweezers and/or the dentist hook to release and remove the first of the two screw covers.

!

Insert the tweezers or the dentist hook through the hole of this screw cover as shown in picture to release and remove it.

T

HE CO-BRAND SCREW COVERS CANNOT BE REUSED AND

MUST BE SCRAPPED

!

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