Sony Ericsson K320 User manual

Working Instruction, Mechanical
3/000 21-1/FEA 209 544/124 D
Company Internal ©Sony Ericsson Mobile Communications AB
Working Instruction, Mechanical
Applicable for K320 and W200
CONTENTS
1Introduction .............................................................................. 3
1.1 Equipment.................................................................................4
1.2 General cautions ......................................................................5
2Disassembly ............................................................................. 6
2.1 Overview ...................................................................................6
2.1.1 Memory Stick Micro (M2) 128 MB (W200i only) ....................7
2.1.2 Battery Cover Assy & Battery................................................8
2.1.3 Front Cover Assembly...........................................................9
2.1.4 PBA Unit.............................................................................. 10
2.1.5 Metal Frame Assembly (K320 only) .................................... 11
2.1.6 Metal Frame Assembly (W200 only) ................................... 12
2.1.7 Keypad PWB Assembly ...................................................... 13
3Replacements......................................................................... 14
3.1 Memory Stick Micro (M2) 128 MB (W200i only) ...................15
3.2 Battery Cover..........................................................................15
3.3 Front Cover Assembly ...........................................................15
3.4 Metal Frame Assembly ..........................................................15
3.5 B-Cover Assembly (Frame) ...................................................15
3.6 LCD Module ............................................................................16
3.7 Joystick Cap & Joystick Gasket (K320 only).......................18
3.8 Joystick Cap and Joystick Silicone (W200i only) ...............20
3.9 Camera Module VGA & Camera Gasket...............................22
3.10 System Connector..................................................................24
3.11 Liquid Intrusion Indicator ...................................................... 25
3.12 UI Module Frame ....................................................................26
3.13 Dome Sheet Foil .....................................................................27
3.14 Keypad Assembly ..................................................................28
3.15 Audio Pipe Assembly.............................................................29
3.16 Pogo Pin..................................................................................30
3.17 Receiver ..................................................................................31
3.18 IR Window ...............................................................................32
3.19 Speaker, Speaker Gasket & Speaker Dust Net....................33
3.20 Vibrator....................................................................................35
3.21 Microphone Assembly ........................................................... 36
3.22 Camera Key Assembly / Walkman Key ................................37
3.23 Power Key Assembly .............................................................38

Working Instruction, Mechanical
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3.24 Operator Key Assembly/ Volume Key..................................39
3.25 Memory Card Hatch (W200i only) .........................................40
3.26 Operator Logo Assembly ......................................................41
3.27 Operator Key Label (K320 only)............................................42
3.28 Label 43
4Reassembly ............................................................................ 44
4.1 Overview .................................................................................44
4.1.1 Keypad PWBA Assembly .................................................... 45
4.1.2 Metal Frame Assembly (K320 only) .................................... 46
4.1.3 Metal Frame Assembly (W200 only) ................................... 47
4.1.4 PBA Unit.............................................................................. 48
4.1.5 Front Cover Assembly......................................................... 49
4.1.6 Battery & Battery Cover Assembly ...................................... 50
5Revision history ..................................................................... 51

Working Instruction, Mechanical
3/000 21-1/FEA 209 544/124 D
Company Internal ©Sony Ericsson Mobile Communications AB
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1 Introduction
K320
W200i

Working Instruction, Mechanical
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1.1 Equipment
SPECIAL TOOLS
•NTZ 112 459 Torque screwdriver (or equivalent)
set to 17 Ncm+/- 6%
•NTZ 112 288 Torx bit no. 6
•NTZ 112 1070 Camera removal tool (NEW!)
•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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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!
ADHESIVES
Use a dentist hook or a blunt pair of tweezers to remove old adhesives.
If necessary, clean the surface with isopropyl alcohol before attaching new adhesives.
PRECAUTIONARY ACTIONS
Press the On/Off button to turn off the phone before the
start of the disassembly.
Can be done without any previous disassembly!
1. Use your fingers and press in (shortly) the memory stick
micro (M2) 128 MB.
2. Remove the memory stick micro (M2) 128 MB with your
fingers or with the help of a dentist hook.

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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.
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
Start
Done
REPLACEMENTS
DISASSEMBLY REASSEMBLY
Contents
page

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2.1.1 Memory Stick Micro (M2) 128 MB (W200i only)
REMOVAL
1. Use your fingers and press in (shortly) the memory stick
micro (M2) 128 MB.
2. Remove the memory stick micro (M2) 128 MB with your
fingers or with the help of a dentist hook.
INSTALLATION
Assemble (push in until it locks) a new memory stick micro
(M2) 128 MB with your fingers.

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2.1.2 Battery Cover Assy & Battery
Press on the bottom of the battery cover assy and
simultaneously push it upwards.
Lift the battery cover assy up and release it from the frame.
Release the battery at the bottom and remove it.

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2.1.3 Front Cover Assembly
Position the front opening tool in the gap underneath the
system connector.
Unhook the front cover assembly by gently bending it out
from the system connector.
Grab the front cover assembly and carefully remove it from
the B-cover assembly.

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2.1.4 PBA Unit
Use torx bit no. 6 to remove the four screws.
BE CAREFUL NOT TO DAMAGE THE GUIDING PINS IN THE B-
COVER ASSEMBLY!
Lift and remove the PBA unit starting at the bottom of the
phone.

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2.1.5 Metal Frame Assembly (K320 only)
THESES INSTRUCTIONS ARE UNIQUE FOR K320. THE METAL
FRAME ASSEMBLY INSTRUCTIONS FOR W200 ARE STATED IN
CHAPTER 2.1.6!
THE METAL FRAME HAS GOT TWO SNAP HOOKS!
Use the front opening tool to unsnap the metal frame
assembly from the PBA.
Grab the metal frame assembly at the top and carefully lift it
upwards to remove it.

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2.1.6 Metal Frame Assembly (W200 only)
THESES INSTRUCTIONS ARE UNIQUE FOR W200. THE METAL
FRAME ASSEMBLY INSTRUCTIONS FOR K320 ARE STATED IN
CHAPTER 2.1.5!
THE METAL FRAME HAS GOT TWO SNAP HOOKS!
Use the front opening tool to unsnap the metal frame
assembly from the PBA.
Grab the metal frame assembly and carefully lift it upwards
to remove it.

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2.1.7 Keypad PWB Assembly
Grab the keypad PWB assembly 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.
Start
Done
REPLACEMENTS
DISASSEMBLY REASSEMBLY
Contents
page

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3.1 Memory Stick Micro (M2) 128 MB (W200i only)
Follow the 2.1.1 Disassembly instructions!
Prepare the new memory stick (M2) 128 MB.
Follow the 4.1.5 Reassembly instructions!
3.2 Battery Cover
Follow the 2.1.2 Disassembly instructions!
Prepare the new battery cover.
Follow the 4.1.5 Reassembly instructions!
3.3 Front Cover Assembly
Follow the 2.1.1 – 2.1.3 Disassembly instructions!
Prepare the new front cover assembly.
Follow the 4.1.4 – 4.1.5 Reassembly instructions!
3.4 Metal Frame Assembly
Follow the 2.1.1 – 2.1.5 Disassembly instructions!
Prepare the new metal frame assembly.
Follow the 4.1.2 – 4.1.5 Reassembly instructions!
3.5 B-Cover Assembly (Frame)
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
Follow the 3.14 & 3.15 – 3.23, (3.24 W200i only) Removal instructions!
Prepare the new frame (B-Cover Assembly).
Follow the 3.14 & 3.15 – 3.23, (3.24 W200i only) & 3.25 Installation instructions!
Follow the 4.1.3 – 4.1.5 Reassembly instructions!

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3.6 LCD Module
REMOVAL
Follow the 2.1.1 – 2.1.6 Disassembly instructions!
Use the flex film opening tool and carefully press the bar on
the ZIF-connector straight backwards to open the ZIF-
connector.
Carefully lift up the LCD module and remove it.
INSTALLATION
Insert the flex film into the ZIF-connector.
Use the flex film opening tool and carefully press the bar on
the ZIF-connector towards the ZIF-connector to close it.

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LCD Module continued
THE LCD MODULE HAS GUIDING PINS!
Use the guiding pins to position the LCD module on the
PBA.
Follow the 4.1.1 – 4.1.5 Reassembly instructions!

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3.7 Joystick Cap & Joystick Gasket (K320 only)
REMOVAL
Follow the 2.1.1 – 2.1.6 Disassembly instructions!
THESES INSTRUCTIONS ARE UNIQUE FOR K320. THE JOYSTICK
CAP AND JOYSTICK SILICONE INSTRUCTIONS FOR W200 ARE
STATED IN CHAPTER 3.8!
Grab underneath the joystick cap and pull it off the joystick
switch.
Use a dentist hook to remove the joystick gasket.
INSTALLATION
CLEAN THE JOYSTICK SURFACE WITH ISOPROPYL ALCOHOL!
Use the tweezers to mount the new joystick gasket on the
joystick cap.
Note the orientation of the joystick cap!

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Joystick Cap & Joystick Gasket continued
Carefully press down the joystick cap on the joystick switch.
Follow the 4.1.1 – 4.1.5 Reassembly instructions!

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3.8 Joystick Cap and Joystick Silicone (W200i only)
REMOVAL
Follow the 2.1.1 – 2.1.3 Disassembly instructions!
THESE INSTRUCTIONS ARE UNIQUE FOR W200. THE JOYSTICK
CAP &JOYSTICK GASKET INSTRUCTIONS FOR K320 ARE
STATED IN CHAPTER 3.7!
Use your fingers or with the help of a pair of tweezers to
remove the joystick cap.
Pull the joystick cap straight up.
Use a pair of tweezers to remove the joystick silicone.
INSTALLATION
THE JOYSTICK SILICON HAS A GAP!
THE JOYSTICK HAS PINS THAT ARE ATTACHED TO THE PCB!