Working Instructions, SP/Mechanical
Working Instructions, SP/Mechanical
Applicable for T310/T312
Contents
1 Disassembly Front / Frame ............................................................................................2
2 Reassembly Front / Frame .............................................................................................5
3 Replacement of Mechanical Parts .................................................................................7
3.1 Microphone........................................................................................................7
3.2 Front cover.........................................................................................................9
3.3 Co-brand inlay.................................................................................................10
3.4 Joystick button.................................................................................................11
3.5 Speaker assembly ............................................................................................12
3.6 Keypad.............................................................................................................13
3.7 LCD carrier assembly......................................................................................14
3.8 Volume key .....................................................................................................15
3.9 Buzzer gasket...................................................................................................16
3.10 Vibrator unit ....................................................................................................17
3.11 Dome switch foil .............................................................................................18
3.12 Antenna flex foil..............................................................................................18
3.13 Front bezel.......................................................................................................20
4 Label...............................................................................................................................22
5 Revision History............................................................................................................23
3/000 21-1/FEA 209 544/70 C Approved according to 000 21-LXE 107 42/1
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
1 Disassembly Front / Frame
Tools
" Torque screwdriver set to 20Ncm Ä… 6%
" Torx T6 bit
" Tweezers with rounded and polished tip (not serrated)
" Guitar pick, 1mm thick, (Fender heavy)
Instruction
Use cotton gloves!
# Figure Instruction Note
1
Remove the battery cover by
pushing it towards the bottom
of the phone. Remove the
battery and the SIM-card.
Fig. 1.1
2
Release one side of the
antenna cover by inserting the
tool between cover and frame
as indicated. Push gently
upwards to release the latch.
Fig. 1.2
Repeat the same procedure as
above on the other side of the
antenna cover.
3
Slide the cover in the direction The latches will be
of the arrows. This releases deformed if the top of the
the latches in the bottom of the cover is pulled out before
cover and it can be pulled the latches are completely
straight out from the frame. free.
Fig.1.4
3/000 21-1/FEA 209 544/70 C 2(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
# Figure Instruction Note
4
Remove the two screws on the Be careful not to damage
top of the phone. the antenna with the
screwdriver!
Fig.1.5
5
Insert the tool in the gap
between the bezel and the
front (1). The gap can be
widened by gently pressing
the front away from the frame.
The tool should be pushed
straight in at an angel of
Fig.1.6
approx. 45 degrees.
The goal is to get the tool
between the bezel and the rest
of the front (2) to release the
latch.
Repeat the same procedure on
the other side of the phone.
Fig.1.7
Lift the bezel gently
Fig .1.8
6
Insert the tool in the gap
between the front and the
frame. The gap can be
widened by gently pressing
the front away from the frame.
The tool should be pushed
straight in at an angel of
Fig.1.9
approx. 45 degrees and gently
slide down to the bottom.
The goal is to get the tool
between the bezel and the rest
of the front to release the
latches.
Repeat the same procedure on
the other side of the phone.
3/000 21-1/FEA 209 544/70 C 3(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
# Figure Instruction Note
7
Remove the front from the
frame.
Fig.1.10
NOTE:
Lift the front gently. Be aware
of the hooks at the bottom of
the frame.
8
Remove the four remaining
screws.
Fig.1.11
9
The front, the frame and the
circuit board are now
separated.
3/000 21-1/FEA 209 544/70 C 4(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
2 Reassembly Front / Frame
Tools
" Torque screwdriver set to 20Ncm Ä… 6%
" Torx T6 bit
" Tweezers with rounded and polished tip (not serrated)
" Guitar pick, 1 mm thick, (Fender heavy)
Instruction
Use gloves!
# Figure Instruction Note
On all units one support pad
1 SXA 104 9219 must be added.
Use tweezers to put a pad on
D600.
2 Put the shielding can in the
frame.
Fig. 2.1
2
Place the PCB assembly in the
frame.
Insert the screws in marked
order.
Fig. 2.2
3/000 21-1/FEA 209 544/70 C 5(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
# Figure Instruction Note
3
Position the keys on top of the
PCB assembly.
Fig.2.3
4
Align the hooks on the front
with the holes close to the
sides of the system connector.
Fig 2.4
5
Press the front and frame
together on the left and right
side of the keyboard.
Fig. 2.5
6
Bend the ring on the bottom of
the bezel slightly inwards to
allow the latch to pass through
the frame
Fig.2.6
Press the bezel towards the
front and frame to lock the two
latches. Press on both sides of
the display window.
Fig. 2.7
7
Insert the latches on the
bottom of the antenna cover
into the holes in the frame.
Fig. 2.8
3/000 21-1/FEA 209 544/70 C 6(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
# Figure Instruction Note
8
Slide the cover upwards.
Fig. 2.9
9
Press the top of the cover
towards the frame until the
latches engage.
Fig. 2.10
3 Replacement of Mechanical Parts
3.1 Microphone
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in Disassembly Front / Frame.
# Figure Instruction Note
1
Push the plastic tab of the
microphone upwards with the
tweezers and remove the
microphone.
Fig. 3.1.1
3/000 21-1/FEA 209 544/70 C 7(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
# Figure Instruction Note
2
Insert the new microphone into Do not press on or bend
the cavity. Place the tweezers the contact springs.
on the center of the rubber
gasket and push it down.
Fig. 3.1.2
Reassemble the phone as described in Reassembly Front / Frame.
3/000 21-1/FEA 209 544/70 C 8(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
3.2 Front cover
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in Disassembly Front / Frame.
# Figure Instruction Note
1
Remove the keypad from the
old front cover.
Fig. 3.2.1
2
Remove the protective sheet
on the inside of the display
window on the new cover.
Start in a corner and avoid
touching the window.
Fig. 3.2.2
3
Place the keypad in the new
front cover.
Fig. 3.2.3
If necessary move the co-brand inlay as described in Co-brand inlay
Reassemble the phone as described in Reassembly Front / Frame.
3/000 21-1/FEA 209 544/70 C 9(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
3.3 Co-brand inlay
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in 1 Disassembly Front / Frame
# Figure Instruction Note
1
Use the tip of the tweezers to
push out the inlay from the
inside.
Fig. 3.3.1
2
Use the guiding pin to orient
the inlay correctly. Insert one
end into the front cover.
Fig. 3.3.2
3
The inlay has to be bent
slightly to allow the other side
to be pushed into the front.
Push sideways and towards the
front at the same time.

Fig. 3.3.3
4
Bending the inlay can also be
done by putting the tweezers
between inlay and front. The
remaining latch can then be
pressed into the front.
Fig. 3.3.4
Reassemble the phone as described in 2 Reassembly Front / Frame
3/000 21-1/FEA 209 544/70 C 10(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
3.4 Joystick button
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in 1 Disassembly Front / Frame
# Figure Instruction Note
1
Use your fingers to pull the Tweezers under the button
button from the PCB on each side can also be
assembly. used.
Fig. 3.4.1
2
Place a gasket on the new
button using the tweezers.
Fig. 3.4.2
3
Press the joystick button down The button can be oriented
onto the square plastic pin on in any direction.
the switch with a finger.
Fig. 3.4.3
Reassemble the phone as described in Reassembly Front / Frame
3/000 21-1/FEA 209 544/70 C 11(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
3.5 Speaker assembly
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in 1 Disassembly Front / Frame
# Figure Instruction Note
1
Remove the joystick button
and the metal carrier.
Fig. 3.5.1
2
Lift the LCD carrier from the
PCB.
Fig. 3.5.2
3
Use a finger to press the
speaker from the carrier.
Remove any remaining
adhesive from the carrier.
Fig. 3.5.3
4
Remove the protective foil
from the new speaker.
Fig. 3.5.4
3/000 21-1/FEA 209 544/70 C 12(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
# Figure Instruction Note
5
Place the guiding pins in the
notch and then press the
speaker into the carrier.
Fig. 3.5.5
Reassemble the phone as described in Reassembly Front / Frame
3.6 Keypad
Instruction
Disassemble the phone as described in Disassembly Front / Frame
# Figure Instruction Note
1
Use fingers to remove the old
and place the new keypad in
the front.
Fig. 3.6.1
Reassemble the phone as described in Reassembly Front / Frame
3/000 21-1/FEA 209 544/70 C 13(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
3.7 LCD carrier assembly
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in Disassembly Front / Frame
# Figure Instruction Note
1
Remove the joystick button
and the metal carrier.
Fig. 3.7.1
2
Remove the old LCD carrier.
Fig. 3.7.2
3
Mount a new speaker into the
new LCD carrier.
If the carrier has been used
before any remaining adhesive
must be removed from it.
Fig. 3.7.3
4
Place the new carrier on the
PCB.
Fig. 3.7.4
3/000 21-1/FEA 209 544/70 C 14(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
# Figure Instruction Note
5
Reassemble the metal carrier
and the joystick button.
Fig. 3.7.5
Reassemble the phone as described in Reassembly Front / Frame
3.8 Volume key
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in Disassembly Front / Frame
# Figure Instruction Note
1
Insert one tip of the tweezers
between the key and the front
and push it away from the
front to remove it.
Fig. 3.8.1
2
Press the new volume key into
the slot with a finger.
Fig. 3.8.2
3
Check that the rounded corner
of the key corresponds with
the rounded corners of the
recess.
Fig. 3.8.3
Reassemble the phone as described in Reassembly Front / Frame
3/000 21-1/FEA 209 544/70 C 15(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
3.9 Buzzer gasket
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in Disassembly Front / Frame
# Figure Instruction Note
1
Remove the old gasket with
the tweezers.
Fig. 3.9.1
.
2
Sometimes the adhesive film
remains on the buzzer and has
to be removed separately.
Fig. 3.9.2
3
Place a new buzzer gasket on
the buzzer centred on the hole.
Fig. 3.9.3
Reassemble the phone as described in Reassembly Front / Frame
3/000 21-1/FEA 209 544/70 C 16(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
3.10 Vibrator unit
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in Disassembly Front / Frame
# Figure Instruction Note
1
Remove the joystick button
and lift the metal carrier from
the frame.
Fig. 3.10.1
2
Place the tip of the tweezers on
the axle and push the vibrator
from the metal carrier.
Fig. 3.10.2
3
Insert the new vibrator into the
cavity and press it into
position with a finger.
Fig. 3.10.3
Reassemble the phone as described in Reassembly Front / Frame
3/000 21-1/FEA 209 544/70 C 17(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
3.11 Dome switch foil
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in Disassembly Front / Frame
# Figure Instruction Note
1
Remove the dome foil with Remove all residues of
tweezers and discard it. adhesive with alcohol.
Fig. 3.11.1
2
Align the top of the new foil
with the two holes and the
bottom with the L-shaped
marks on the PCB. Press over
the entire surface to remove
any remaining pockets of air.
Fig. 3.11.2
Reassemble the phone as described in Reassembly Front / Frame
3.12 Antenna flex foil
Tools
" Tweezers with rounded and polished tip (not serrated)
Instruction
Disassemble the phone as described in Disassembly Front / Frame
# Figure Instruction Note
1
Remove the antenna with a Remove all residues of
tweezers. adhesive with alcohol.
Fig. 3.12.1
3/000 21-1/FEA 209 544/70 C 18(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
# Figure Instruction Note
2
Peel off the protective paper
from the part that goes inside
the frame.
Fig. 3.12.2
3
Insert the foil through the hole
but do not attach it to the
frame.
Fig. 3.12.3
4
Align the far end of the foil
with the edge of the supporting
plastic structure.
Fig. 3.12.4
Press the foil down onto the
frame.
Fig. 3.12.5
5
Pull towards the rear side of
the frame and attach the foil to
the inside of the hole.
Fig. 3.12.6
3/000 21-1/FEA 209 544/70 C 19(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
# Figure Instruction Note
6
Peel off the rest of the
protective paper and align the
antenna and press it onto the
frame.
Fig. 3.12.7
7
The antenna must not go
beyond the edges of the holes
for the latches on the antenna
cover.
Fig. 3.12.8
Reassemble the phone as described in Reassembly Front / Frame
3.13 Front bezel
Tools
" Guitar pick, 1mm thick (Fender Heavy)
Instruction
Disassemble the phone as described in Disassembly Front / Frame
# Figure Instruction Note
1
Insert the tool between the
front and the bezel close to one
of the latches to separate the
parts.
Repeat on the other side.
Fig. 3.13.1
2
Lift the bezel but keep
pressing downwards on the
ring around the joystick. This
will release the latch in this
part of the bezel.
Fig. 3.13.2
3/000 21-1/FEA 209 544/70 C 20(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
# Figure Instruction Note
3
Lift the old bezel away from
front and towards the bottom
of the front. Insert the new
bezel starting with the pins on
the top of the bezel.
4
Bend the ring on the bottom of
the bezel slightly inwards to
allow the latch to pass through
the frame.
Fig. 3.13.3
5
Press the bezel against the
front on both sides of the
display window.
Fig. 3.13.4
Reassemble the phone as described in Reassembly Front / Frame
3/000 21-1/FEA 209 544/70 C 21(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
4 Label
Tools
" Hot air solder station
" Tweezers with rounded and polished tip (not serrated)
" Zebra printer and computer
Instruction
This instruction should be used when replacing an old label or making a new one.
1. Read the old label and/or write the information into the Label make program.
2. Heat the label with hot air from a solder station.
3. Remove the label. Do not scratch the frame. If there is any residue from the adhesive it
must be removed with alcohol.
4. Write a new label by using the program Label make. Check that the printing is ok.
5. Take the new label and place it into the battery cavity.
Note: Only one label is allowed in the battery cavity.
3/000 21-1/FEA 209 544/70 C 22(23)
© Sony Ericsson Mobile Communications AB
 Working Instructions, SP/Mechanical
5 Revision History
Rev. Date Changes / Comments
A 2003-02-25 First release
B 2003-03-18 Changes according to External validation report.
C 2003-06-18 Add instruction for support pad when reassembly.
3/000 21-1/FEA 209 544/70 C 23(23)
© Sony Ericsson Mobile Communications AB