Sony Ericsson P990 Schematics 4

Working Instruction, Mechanical

Applicable for P990i

CONTENTS

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

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

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

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

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

2.1.1 Battery Lid asm & Battery......................................................7

2.1.2 Flip asm.................................................................................8

2.1.3 Bezel Top..............................................................................9

2.1.4 Cabinet Lower Sub asm......................................................10

2.1.5 Cabinet Upper Sub asm......................................................12

3 Replacements.........................................................................13

3.1 Battery Lid...............................................................................14

3.2 Flip...........................................................................................14

3.3 Bezel Top ................................................................................14

3.4 Cabinet Lower Sub.................................................................14

3.5 Cabinet Upper Sub.................................................................14

3.6 Ext Antenna Cap.....................................................................15

3.7 Stylus asm ..............................................................................16

3.8 Co-Branding Plate..................................................................17

3.9 Bezel Replacement asm ........................................................18

3.10 Camera Bezel asm..................................................................20

3.11 Memory Stick Cover...............................................................21

3.12 Dust Cover ..............................................................................22

3.13 System Connector..................................................................23

3.14 Flex Film, Camera Cover Switch...........................................24

3.15 Liquid Intrusion Indicator......................................................26

3.16 Antenna/Acoustic asm...........................................................27

3.17 Box Tape .................................................................................29

3.18 Heat, Conductive 9.4 x 1.5 mm..............................................30

3.19 Heat, Conductive 5.7 x 1.5 mm..............................................31

3.20 Flash Flex asm........................................................................32

3.21 Keyboard QWERTY................................................................33

3.22 LCD Gasket.............................................................................34

3/000 21-1/FEA 209 544/97 A

Sony Ericsson Mobile Communications AB

Approved according to FEA matrix doc. no.

Working Instruction, Mechanical

3.23 Ear Speaker.............................................................................35

3.24 Vibrator....................................................................................36

3.25 Power Key...............................................................................37

3.26 LCD Frame asm......................................................................38

3.27 Shield Box VGA Camera........................................................41

3.28 Camera Module, VGA.............................................................43

3.29 VGA Support asm...................................................................44

3.30 Camera, 2M Pixel, Shielding Box Mpixel Camera ...............45

3.31 LCD..........................................................................................48

3.32 Isolation Tape.........................................................................50

3.33 Touch Panel asm + Frame.....................................................51

3.34 Label........................................................................................55

4 Reassembly ............................................................................56

4.1 Overview .................................................................................56

4.1.1 Cabinet Upper Sub asm......................................................57

4.1.2 Cabinet Lower Sub asm......................................................58

4.1.3 Bezel Top............................................................................59

4.1.4 Flip asm...............................................................................60

4.1.5 Battery & Battery Lid asm....................................................61

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

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Working Instruction, Mechanical

1 Introduction

P990i

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Working Instruction, Mechanical

1.1 Equipment

SPECIAL TOOLS

• NTZ 112 459 Torque screwdriver (or equivalent)

• NTZ 112 288 Torx bit no. 6

• NTZ 112 1052 JCIS bit

• NTZ 112 521 Flex film assembly tool

• NTZ 112 302/2 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 NEVER TOUCH THE DISPLAY GLASS

•

USE AIR BLOW EQUIPMENT TO KEEP THE DISPLAY MODULE DUST FREE

•

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

Check that the memory stick has been removed.

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

How to open and close a FPC connector (often done with a dentist hook).

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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 Lid (a) & Battery (b)

2. Flip

3. Bezel Top

4. Cabinet Lower Sub

5. Cabinet Upper Sub

REASSEMBLY

Done

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Working Instruction, Mechanical

2.1.1 Battery Lid asm & Battery

Press the battery lid backwards until you get a gap by using your thumbs.

Slide down the battery lid from its mounted position towards the bottom of the phone and remove it.

Start to remove the battery from the phone with your fingers or the front opening tool.

Lift up the battery to release it. If not released, turning the phone around at the same time

will make it become released.

Remove the battery from the phone with your fingers.

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Working Instruction, Mechanical

2.1.2 Flip asm

Use the JCIS bit to remove the two screws from the lower cabinet sub.

EMOVED SCREWS CANNOT BE REUSED AND MUST BE

SCRAPPED

Pull the flip straight backwards to remove it.

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Working Instruction, Mechanical

2.1.3 Bezel Top

Press the front opening tool in the joint between the bezel top and the cabinet upper sub until it becomes loose.

If necessary, do the same thing on the opposite side.

Pull the bezel top straight backwards and remove it by hand.

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Working Instruction, Mechanical

2.1.4 Cabinet Lower Sub asm

Remove the two top screws by using torx bit no. 6.

EMOVED SCREWS CAN BE REUSED IF THEY ARE NOT

DAMAGED

Remove the four inside screws by using torx bit no. 6.

EMOVED SCREWS 1 & 2 CANNOT BE REUSED AND MUST BE

SCRAPPED

EMOVED SCREWS 3 & 4 CAN BE REUSED IF THEY ARE NOT

DAMAGED

HE CAMERA LID MUST BE OPEN WHEN THE CABINET LOWER

SUB IS REMOVED FROM THE PHONE

Open the camera lid with your fingers.

Gently but firmly move the guitar pick along the gap (starting where the gap is widest) both ways until the cabinet lower sub is loose on this side.

The snap hook to be released is located at the position of the black arrow.

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Working Instruction, Mechanical

Cabinet Lower Sub asm continued

Continue to do the same thing on the opposite side.

Sometimes during the removal of the cabinet lower sub the key lock button may fall out.

Remove the cabinet lower sub.

Cabinet lower sub removed.

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Working Instruction, Mechanical

2.1.5 Cabinet Upper Sub asm

Gently bend with the front opening tool under the main PBA like the picture shows until it starts to become loose at the bottom of the phone.

Continue to bend under the main PBA like the picture shows until it is completely free from the front.

E CAREFUL WITH THE VGA CAMERA WHEN THE PBA/LCD

SEPARATES FROM THE FRONT

Sometimes the keyboard will fall out when the front is removed.

If necessary, wiggle the front slightly side to side while lifting the PBA/LCD away from the front.

Cabinet upper sub removed

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Working Instruction, Mechanical

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 Lid

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

3.2 Flip

Follow the 2.1.1 - 2.1.2 Disassembly instructions! Prepare the new flip. Follow the 4.1.4 - 4.1.5 Reassembly instructions!

3.3 Bezel Top

Follow the 2.1.3 Disassembly instructions! Prepare the new bezel top. Follow the 4.1.3 Reassembly instructions!

3.4 Cabinet Lower Sub

Follow the 2.1.1- 2.1.4 Disassembly instructions! Prepare the new cabinet lower sub. Follow the 4.1.2 – 4.1.5 Reassembly instructions!

3.5 Cabinet Upper Sub

Follow the 2.1.1 – 2.1.5 Disassembly instructions! Prepare the new cabinet upper sub. Follow the 4.1.1 – 4.1.5 Reassembly instructions!

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Working Instruction, Mechanical

3.6 Ext Antenna Cap

REMOVAL

Remove the external antenna cap with a dentist hook.

INSTALLATION

Insert a new external antenna cap with your fingers.

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Working Instruction, Mechanical

3.7 Stylus asm

REMOVAL

Remove the stylus with your fingers.

INSTALLATION

Insert the stylus with your fingers.

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Working Instruction, Mechanical

3.8 Co-Branding Plate

REMOVAL

Gently remove the co-branding plate with a dentist hook.

INSTALLATION

Attach the co-branding plate with the tweezers or by hand. Keep the pressure on for a few seconds to secure a good

attachment.

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Working Instruction, Mechanical

3.9 Bezel Replacement asm

REMOVAL

Follow the 2.1.1 Disassembly instructions!

HIS INSTRUCTION DESCRIBES HOW TO REMOVE AND INSTALL A BEZEL REPLACEMENT ON A PHONE WHERE THE FLIP HAS BEEN REPLACED BY A BEZEL

Use the JCIS bit to remove the two screws from the cabinet lower sub.

EMOVED SCREWS CANNOT BE REUSED AND MUST BE

SCRAPPED

Pull the bezel replacement straight backwards to remove it.

INSTALLATION

Gently place the bezel replacement over the cabinet upper sub.

Apply 15 Ncm ± 2 Ncm of torque for the two new screws by using the JCIS bit!

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Working Instruction, Mechanical

Bezel Replacement asm continued

Make sure that there are no gaps around the bezel replacement.

If there still is a gap recheck your torque setting and retighten the screws.

Correctly mounted bezel replacement.

Follow the 4.1.5 Reassembly instructions!

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