Sony Ericsson K200 User manual

Working Instruction, Mechanical
3/000 21-1/FEA 209 544/127 A
Company Internal ©Sony Ericsson Mobile Communications AB
1(30)
Working Instruction, Mechanical
Applicable for K200 and K220
CONTENTS
1Introduction .............................................................................. 2
1.1 Equipment.................................................................................3
1.2 General cautions ......................................................................4
1.3 Adhesives .................................................................................4
2Disassembly ............................................................................. 5
2.1 Overview ...................................................................................5
2.1.1 Battery Cover assy & Battery ................................................6
2.1.2 Antenna cover assy...............................................................7
2.1.3 Front cover Assy and Keypad ...............................................8
2.1.4 PBA unit ................................................................................ 9
3Replacements......................................................................... 10
3.1 Battery cover assy .................................................................11
3.2 Antenna cover assy ...............................................................11
3.3 Front cover assy.....................................................................11
3.4 Keypad assy ...........................................................................11
3.5 Rear cover assy......................................................................11
3.6 System connector ..................................................................12
3.7 Dome Foil ................................................................................12
3.8 Camera Module and Camera gasket.....................................13
3.9 PCB sponge ............................................................................15
3.10 Copper tape shield can lid.....................................................16
3.11 Tape shield can lid black .......................................................17
3.12 Liquid Intrusion Indicator ......................................................18
3.13 IrDa Window............................................................................18
3.14 Loudspeaker ...........................................................................19
3.15 Antenna Film...........................................................................20
3.16 Microphone .............................................................................21
3.17 Vibrator....................................................................................22
3.18 Earphone.................................................................................23
3.19 KRH label ................................................................................24
4Reassembly ............................................................................ 25
4.1 Overview .................................................................................25
4.1.1 PBA unit .............................................................................. 26
4.1.2 Front cover assy and keypad .............................................. 27
4.1.3 Antenna cover assy............................................................. 28
4.1.4 Battery and battery cover assy............................................ 29
5Revision history ..................................................................... 30

Working Instruction, Mechanical
3/000 21-1/FEA 209 544/127 A
Company Internal ©Sony Ericsson Mobile Communications AB
2(30)
1 Introduction
K200
K220

Working Instruction, Mechanical
3/000 21-1/FEA 209 544/127 A
©Sony Ericsson Mobile Communications AB
3(30)
1.1 Equipment
SPECIAL TOOLS
• NTZ 122 459 Torque screwdriver (or equivalent)
set to 15 Ncm+/- 6%
• NTZ 122 288 Torx bit no. 6
• NTZ 112 1070 Camera Module removal tool.
• NTZ 122 521 Flex film assembly tool
• NTZ 122 302/2 Front opening tool
STANDARD TOOLS
• Dentist hook
• A pair of tweezers
• 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 KRH label:
•Hot air flow solder station
•Zebra printer connected to computer

Working Instruction, Mechanical
3/000 21-1/FEA 209 544/127 A
Company Internal ©Sony Ericsson Mobile Communications AB
4(30)
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:
•SWITCH 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!
•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!
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.

Working Instruction, Mechanical
3/000 21-1/FEA 209 544/127 A
Company Internal ©Sony Ericsson Mobile Communications AB
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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 assy
2. Battery
3. Antenna cover assy
4. Front cover assy
5. Keypad assy
6. PBA
7. Rear cover assy
Start
Done
REPLACEMENTS
DISASSEMBLY REASSEMBLY
Contents
page

Working Instruction, Mechanical
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Company Internal ©Sony Ericsson Mobile Communications AB
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Disassembly Instruction continued
2.1.1 Battery Cover assy & Battery
TURN OFF THE PHONE.
Remove the battery cover with your fingers. Slide off the
battery cover in the direction of the arrow.
Remove the battery from the phone with your fingers by
using the tab in the lower end of the battery, lift it up (1) and
pull back (2)

Working Instruction, Mechanical
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Disassembly Instruction continued
2.1.2 Antenna cover assy
BE CAREFUL NOT TO DAMAGE THE ANTENNA COVER OR REAR
COVER WHEN REMOVING THE ANTENNA COVER.
Use a front opening tool to carefully release the two snap
hooks located on each side of the Antenna Cover.
BE CAREFULL NOT TO DAMAGE THE LOUDSPEAKER CLOTH OR
CRACK THE PLASTIC WHEN REMOVING THE ANTENNA COVER.
Carefully lift up the antenna cover with the front opening
tool.
BE CAREFULL NO TO DAMAGE THE ANTENNA FLEXFILM WHEN
REMOVING THE ANTENNA COVER.
Make sure the snap hooks are fully released and then slide
the Antenna Cover in the direction of the arrow while slightly
lifting it upwards as shown in the picture.

Working Instruction, Mechanical
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Disassembly Instruction continued
2.1.3 Front cover Assy and Keypad
Use the Torque screwdriver to loosen the 4 screws.
DO NOT USE A SCREWDRIVER OR OTHER SHARP TOOLS.
IT MIGHT CAUSE DAMAGE TO THE PLASTIC OR OTHER
COMPONENTS.
Use the Guitar pick to release the Front Assy from the Rear
cover Assy. Start by the System Connector.
Gently separate the front assy from the Rear cover assy.

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Disassembly Instruction continued
2.1.4 PBA unit
The PBA is attached to the Rear cover with 2 snap hooks
(1A, 2A). Use the Front Opening Tool to release the snap
hooks holding the PBA.
Once the 2 hooks are released, you should be able to
carefully lift the PBA, starting with the lower left side.

Working Instruction, Mechanical
3/000 21-1/FEA 209 544/127 A
Company Internal ©Sony Ericsson Mobile Communications AB
10(30)
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

Working Instruction, Mechanical
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Company Internal ©Sony Ericsson Mobile Communications AB
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Replacement Instruction continued
3.1 Battery cover assy
Follow the 2.1.1 Disassembly instructions!
Prepare the new battery cover assy.
Follow the 4.1.4 Reassembly instructions!
3.2 Antenna cover assy
Follow the 2.1.1 – 2.1.2 Disassembly instructions!
Instruction text
Follow the 4.1.3 – 4.1.4 Reassembly instructions!
3.3 Front cover assy
Follow the 2.1.1 – 2.1.3 Disassembly instructions!
Instruction text
Follow the 4.1.2 – 4.1.4 Reassembly instructions!
3.4 Keypad assy
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
Instruction text
Follow the 4.1.2 – 4.1.4 Reassembly instructions!
3.5 Rear cover assy
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
Instruction text
Follow the 4.1.1 – 4.1.4 Reassembly instructions!

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Replacement Instruction continued
3.6 System connector
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
1. Use your fingers to remove the system connector.
2. Use your fingers to mount the system connector.
Follow the 4.1.1 – 4.1.4 Reassembly instructions!
3.7 Dome Foil
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
DO NOT TOUCH THE KEYPAD DOME FOIL OR PCB.
ALWAYS USE A PAIR OF TWEEZERS.
Remove the old Dome Foil with a pair of tweezers.
IT’S IMPORTANT TO ALLIGN THE KEYPAD DOME FOIL
PROPERLY.
Apply the new Dome Foil on the PBA using a pair of
tweezers. Guide the Dome Foil according to the guide hole
(1A) and guide line (2A-2B) on the PCB as shown in the
picture.
Follow the 4.1.1 – 4.1.4 Reassembly instructions!

Working Instruction, Mechanical
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Replacement Instruction continued
3.8 Camera Module and Camera gasket
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
Remove the Camera gasket with a pair of tweezers.
Use the Camera removal tool to remove the Camera
Module. Press down the Camera removal tool to release
the Camera Module.
Lift up the camera module with a pair of tweezers.
Mount a new camera module with a pair of tweezers.

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Replacement Instruction continued
NOTE THE ORIENTATION OF THE CAMERA MODULE.
OBSERVE THE GUIDING PIN ON THE CAMERA MODULE AND THE
CAVITY OF THE SOCKET.
Push down the camera module. It’s possible to hear a weak
“click” sound from the snap hooks.
Mount a new Camera Module gasket with a pair of
tweezers.
Follow the 4.1.1 – 4.1.4 Reassembly instructions!

Working Instruction, Mechanical
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Replacement Instruction continued
3.9 PCB sponge
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
Remove the PCB sponge with a pair of tweezers.
Mount a new PCB sponge with a pair of tweezers.
Follow the 4.1.1 – 4.1.4 Reassembly instructions!

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Replacement Instruction continued
3.10 Copper tape shield can lid
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
Remove the Copper tape with a pair of tweezers.
Mount a new Copper tape with a pair of tweezers.
Follow the 4.1.1 – 4.1.4 Reassembly instructions!

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Replacement Instruction continued
3.11 Tape shield can lid black
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
BE CAREFULL NOT TO DAMAGE THE SHIELDCAN LID.
Remove the “Tape shield can lid black” with a pair of
tweezers or your fingers. Start in the corner.
If necessary clean with isopropyl alcohol.
Mount a new “Tape shield can lid black” with a pair of
tweezers.
Follow the 4.1.1 – 4.1.4 Reassembly instructions!

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Replacement Instruction continued
3.12 Liquid Intrusion Indicator
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
1. Remove the old Liquid Intrusion Indicator with a pair of
tweezers or your fingers.
2. Remove adhesive remains with isopropyl alcohol.
3. Apply the new Liquid Intrusion Indicator.
Follow the 4.1.1 – 4.1.4 Reassembly instructions!
3.13 IrDa Window
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
NOTICE THE POSITION OF THE IRDA WINDOW BEFORE REMOVAL
Overturn the IrDa window and continue to overturn to 90
degrees angle to release it.
Use a blunt pair of tweezers to position the new IrDa
window, push with finger, and a “click” sound will be heard.
Follow the 4.1.1 – 4.1.4 Reassembly instructions!

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Replacement Instruction continued
3.14 Loudspeaker
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
Remove the loudspeaker and remaining adhesive with a
dentist tool.
ALIGN THE LOUDSPEAKER GUIDINGPIN WITH THE CAVITY OF
THE REAR COVER.
Peal of the protection foil and mount a new loudspeaker
with a pair of tweezers.
Follow the 4.1.1 – 4.1.4 Reassembly instructions!

Working Instruction, Mechanical
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Replacement Instruction continued
3.15 Antenna Film
Follow the 2.1.1 – 2.1.4 Disassembly instructions!
Use a blunt pair of tweezers to remove the antenna film.
PRECISELY ALLIGN THE ANTENNA FILM.
Use a blunt pair of tweezers to mount the antenna film.
Follow the 4.1.1 – 4.1.4 Reassembly instructions!