Sharp 902SH Service Manual page 51

3g(umts)/gsm/gprs
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[2] Disassembly and reassembly
To reassemble, reverse the procedure.
Note that the aerial cover needs to be installed after assembling the
back cabinet (key side).
STEP
REMOVAL
1
Back Cabinet
1.Battery Cover........
(Display)
2.Li-Ion Battery.........
Assembly
3.Screw Cover..........
4.Screw....................
5.Hook.....................
2
Main Display
1.Socket...................
Holder Unit
2.Hook.....................
3
Display
1.Solder....................
PWB-B
2.Flat Cable..............
3.Hook.....................
4.Hook.....................
Figure 1
Back Cabinet (Display)
Open
(A4) x 2
M1.4 x 2.8mm
(A3) x 1
Figure 2
CONFIDENTIAL
PROCEDURE
FIGURE
(A1)x1
1
(A2)x1
(A3)x3
2
(A4)x6
(A5)x2
3
(B1)x1
4
(B2)x2
(C1)x2
5
(C2)x2
(C3)x1
(C4)x1
(A1) x 1
(A2) x 1
Back Cabinet (Key)
(A4) x 2
M1.7 x 4.5mm,
Black
(A3) x 2
(A4) x 2
M1.7 x 6.0mm
Jig
(Use something flat and hard,
for example guitar picks.)
Insert a jig into the gap between the Top belt and front cabinet
(Main Display side), and slide it to remove the hook A5.
Protect Cover,
Cabinet
Kapton, Handling
Front/Back Cabinet
(Key)
3
Remove the cabinet protection and Top belt.
1
Remove the handling kapton, and then the socket B1.
2
Lift and pull off the front/back cabinet (key side).
3
4
Remove the hook B2.
Pull and
set it upright.
(C2)x1
Main Display
Holder Unit
Set it
upright.
3 – 3
(A5) x 2
Top belt
Front Cabinet
(Display)
Slide
Figure 3
1
Top belt
2
(B1) x 1
4
(B2) x 1
4
(B2) x 1
Main Display Holder Unit
Figure 4
(C4)x1*
(C1)x2
Display PWB-B
(C3)x1*
(C2)x1
*
Remove the hook C3,
and then the hook C4.
Figure 5
902SH

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