GX10CONFIDENTIAL
CHAPTER 3. DISASSEMBLY AND REASSEMBLY
[1] Servicing Concerns FASTENING TORQUE (Referential Value)
GeneralPWB/15.7 ? 2.0 N Y cm
1. Before servicing, you must warn the user that the repairFront Cabinet, Display ? 0.2 Kgf(1.6 Y cm)
may clear the information stored in the memory.Back Cabinet, Key/?17.7 2.0 N Y cm
Display(1.8 ? 0.2 Kgf Y cm)
2. Before storing or transporting the circuit board, put it into
the conductive bag or wrap it in aluminium foil.The value is for reference when an electric screwdriver is used.
(C-MOS IC may be damaged by electrostatic charges.) SOLDERING SPECIFICATION
Soldering iron must be set to 350° C for 3 seconds.
3. In order not to stain cosmetic parts such as a cabinet,
especially clear window parts for main and sub-screen STANDARD POSITION OF ATTACHMENT
display panels by finger print or whatever, please coverWhen replacing the Spacer, FPC,A, Spacer, FPC,C, Main -
your finger by finger sack.Screen Display, Tape and Sub -Screen Display Cushion shown
Also, please take care about surface of main and sub-below ( ), be sure to attach it to the designated position.
screen display panels not to stamp finger print.
Spacer, FPC, A
4. To prevent oxidation which cause connection problem,
please do not touch any terminal on electric board,
Standard
microphone, vibrator, earpiece and speaker.position
If you have to touch there, please cover your finger byStandard Standard
position
finger sack.position
Spacer, FPC, C
If you touch those parts, please clean by soft dry cloth.
Also, please do not touch shield case on electric board
directly without finger sack, otherwise performance of
the phone may decline because of oxidation.
5. Since FPC is sensitive, please handle FPC carefull so
that you will not make any damage.
6. Please do not wet the moisture sensor.
Once the sheet is wet, red ink is supposed to run. In
this case, please replace the sheet with new one.
Please take care about your sweat.Main-screen display
(Front side)
7. Be sure to remove the Li-Ion battery fromStandard
position
mobilephone.Standard
position
8. Take sufficient care on static electricity of integrated
circuits and other circuits by using static electricity
prevention bands when servicing.
Main-screen display
holder ass'y
For disassembling
1. Please do not remove the board of base band section
by pulling external interface connector, otherwise you
will make damage to the board.
2. Shield case is attached on shield case holder without
clearance. When you remove it, please take care not
to remove together with shield case holder. If you
Tape
remove shield case holder together, you can not attach
it again because it is attached by solder and in such a
case, you shoud have taken electric pattern on the
board as well.
Standard Standard
positionposition
For reassembling
1. Please make sure that all cosmetic parts have no
Figure 1
scratch and clean.
Standard
position
2. Please make sure that you can open and close
0.5mm
handset smoothly and hear tick sound of hinges.
Standard
3. Please make sure that sub-screen display cushion canposition
not be seen from the window.
4. Please make sure that main LCD panel is placed in0.59mm
proper position without inclination.
5. Please make sure that all three battery terminals
protrude evenly.
Sub-Screen Display Cushion
6. Please make sure that the pawl of aerial is upside.
Figure 2
3 � 1 |
ACEC
