Working Instruction
,
Mechanical
3/00021-1/FEA 209 544/594 B
©
Sony Ericsson Mobile Communications AB
94(128)
4.29
Dome Foil Assembly – Navigation Keypad
4.29.1
Navigation Keypad Dome Foil Assembly Removal
Tools needed:
•
Nylon pointer
•
Lint-free wipes
•
Perform sections 2.1.1 - 2.1.3 of the Base Disassembly Procedure
•
Perform sections 3.1.1-3.1.4 of the Flip Disassembly Procedure
Step-by-Step Instructions
1.
Using the flat end of a nylon pointer, catch a hold of
the edge of the dome foil and peel the navigation
keypad dome foil from the display flex film assembly.
NOTE! The navigation keypad dome foil cannot be
reused once removed.
2.
Remove any adhesive residue from the navigation
keypad dome foil area on the display flex film
assembly using alcohol and a lint-free wipe.
4.29.2
Navigation Keypad Dome Foil Assembly Installation
Tools needed:
None
Step-by-Step Instructions
1.
Position a new navigation keypad dome foil on top of
the flex film assembly by aligning the two curved
edges of the dome foil, labeled 1 and 2, and the two
side edges of the dome foil , labeled 3 and 4, with
their corresponding features of the display flex film.
NOTE! When the navigational keypad dome foil is
correctly positioned, the two alignment pegs
that protrude through the dome foil should be
centered in their dome foil openings and the
display carrier should be visible through the
three holes labeled A, B, and C.
2.
Once you are sure the navigation keypad dome foil is
correctly positioned, carefully smooth the dome foil
into place.
NOTE! Make sure that no air bubbles are trapped
under the dome foil.
•
Perform sections 3.2.1 - 3.2.4 of the Flip Reassembly Procedure
•
Perform sections 2.2.2 - 2.2.4 the Base Reassembly procedure.
