Working Instructions
, SP/
Mechanical
3_00021-1/FEA 209 544/78 C
Sony Ericsson Mobile Communications AB
13(23)
3.5 Keypad
3.5.1 Equipment
•
ESD-gloves (cotton gloves)
•
ESD-wristband
3.5.2 Instruction
•
Disassemble the phone as described in
1 Disassembly
(
page 2-4
), follow steps 1-7
# Figure
Instruction
Note
1
Remove the old keypad
Remove dust and dirt with
air blower.
2
In case of glued domefoil,
the foil stays on the PCB
after the removal of the
keypad.
This is the new domefoil
solution with a glued
domefoil on the PCB.
3a
Remove the foil and clean
the surface of the PCB from
glue/dirt.
This is the new domefoil
solution with a glued
domefoil on the PCB.
3b
Remove the domefoil from
the keypad.
This is the old domefoil
solution with a glued
domefoil on the keypad
(the surface of the keydome
is NOT adhesive!).