Motorola Hawk 4.0 XT919 User manual

Assembly/Disassembly Manual
Hawk 4.0 XT919/XT920
3G Band: 850/900/1800/1900 MHz
2G Band: 800/850/900/1700/1900/2100 MHz

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CONTENTS
1 Tool and Test Equipment.................................................................................3
2 Disassembly.....................................................................................................4
2.1 Removing the Subscriber Identity Module (SIM) and the Micro SD ...4
2.2 Removing the rear decoration...............................................................5
2.3 Removing the Receiver decoration.......................................................5
2.4 Removing screws...................................................................................6
2.5 Removing Front housing Assembly.....................................................8
2.5.1 Removing the EARPIECE SPEAKER.............................................................................9
2.5.2 Removing the Main Display Assembly............................................................................9
2.5.3Removing the Touch Panel Assembly.............................................................................12
2.6 Removing the Main board Assembly..................................................13
2.6.1 Removing the camera .....................................................................................................15
2.7 Removing the Battery..........................................................................16
2.8 Removing the ALERT SPEAKER.........................................................16
3 Assembly........................................................................................................17
3.1 Assemble the front and rear camera ..................................................17
3.2 Assemble the Touch Panel Assembly................................................18
3.3 Assemble the EARPIECE SPEAKER...................................................19
3.4 Assemble the Main Display Assembly to the front housing...........19
3.5 Assemble the ALERT SPEAKER.........................................................22
3.6 Assemble the Battery...........................................................................22
3.7 Assemble the Main board Assembly into the rear housing..............23
3.8 Assemble screws.................................................................................24
3.9 Assemble REAR HOUSING ASSEMBLY.............................................25
3.10 Assemble screws...............................................................................26
3.11 Assemble the Receiver decoration...................................................28
3.12 Assemble the rear decoration...........................................................28
3.13 Assemble the Subscriber Identity Module (SIM) and the Micro SD 29

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1 Tool and Test Equipment
The following table lists tools and test equipment recommended for
disassembly and reassembly of XT919 phones. Use either the listed
items or equivalents.
Table 1. General Test Equipment and Tools
1. T5 Screw driver
2. T4 Screw driver
3. Front Opening Tool
4. Guitar Pick
5. ESD tweezers

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2 Disassembly
The procedures in this section provide instructions for the disassembly
of XT919 phones. Tools and equipment used for the phone are listed
in Table 1, preceding.
Many of the integrated devices used in this equipment are vulnerable
to damage from electrostatic discharge (ESD). Ensure adequate static
protection is in place when handling, shipping, and servicing the
internal components of this equipment.
Avoid stressing the plastic in any way to avoid damage to either the
plastic or internal components.
2.1 Removing the Subscriber Identity Module (SIM)
and the Micro SD
1.Press SIM card and SD card let it spring out from the holder, and
then slide the SIM card and SD card out of the SIM&SD holder
according to the arrow (see figure 1)
Figure 1.Removing the SIM and SD card

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2.2 Removing the rear decoration
1.Using the Guitar Pick to release each side of Rear DECO latch
according to the arrow, and then removing the Rear DECO (see figure
2)
Figure 2.Removing the Rear DECO
2.3 Removing the Receiver decoration
1.Using the Front opening Tool to release the adhesive of Receiver
DECO according to the arrow, and then removing the Receiver DECO
(see figure 3)
Figure 3.Removing the Receiver DECO

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2.4 Removing screws
1. Using a Torx driver with a T-4 bit, removing the screws in the side
(see figure 4) Torque :1.0±0.1kgf.cm,RPM:700~1000r/min .
Figure 4.Removing the 6pcs screws in the side

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2. Using a Torx driver with a T-5 bit, removing the screws in the top and
bottom (see figure 5) Torque :1.0±0.1kgf.cm,RPM:700~1000r/min .
Figure 5.Removing the 3pcs screws in the top and bottom

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2.5 Removing Front housing Assembly
1. Using the Guitar Pick to release each side of front housing latch
according to the arrow, and then release the LCM connector and
removing the front housing assembly (see figure 6).
Figure 6.Removing front housing assembly

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2.5.1 Removing the EARPIECE SPEAKER
1. Using the ESD tweezers to lift the earpiece speaker, then removing the
earpiece speaker according to the arrow (see figure 7).
Figure 7.Removing the earpiece speaker
2.5.2 Removing the Main Display Assembly
1. Using the Front Opening Tool to release the touch panel connector
according to the arrow (see figure 8).

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Figure 8. Release the touch panel connector
2. Using the Front Opening Tool to release the latch of main display
assembly according to the arrow (see figure 9).
Figure 9. Release the latch of main display assembly
3. Using your finger to remove the FPC of touch panel according to the
arrow, and then removing the main display assembly from the front
housing (see figure 10)
Figure 10. Removing the Main Display assembly

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4. Using the Front Opening Tool to release the adhesive of main
display according to the arrow, and then removing the main display
(see figure 11)
Figure 11. Removing the main display

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2.5.3 Removing the Touch Panel Assembly
1. Using the Front Opening Tool to release the adhesive of Touch Panel
according to the arrow, and then removing the Touch Panel (see figure
12).
(Note: The front housing assembly has to be placed into an oven by
80° C for 5 minutes before disassembly the touch panel
Figure 12.Removing the Touch Panel

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2.6 Removing the Main board Assembly
1.Using the Front opening Tool to release the battery connector according to
the arrow (see figure 13).
Figure13. Release the battery connector
2. Using a Torx driver with a T-5 bit, removing the screw of fixed main board
(see figure 14) Torque :1.0±0.1kgf.cm,RPM:700~1000r/min .
Figure 14. Removing the screw of fixed main board

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3. Using the Front opening Tool to release each side of rear housing
latch according to the arrow, and then removing the main board
assembly (see figure 15).
Figure 15.Removing the main board assembly

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2.6.1 Removing the camera
1.Using the Front opening tool to release the front camera connector,
and then removing the camera, according to the arrow (see figure 16).
Figure 16.Removing the front camera
2.Using the Front opening tool to release the rear camera connector,
and then removing the camera, according to the arrow (see figure 17).
Figure 17. Removing the rear camera

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2.7 Removing the Battery
1. Using the Front opening tool to release the battery, and then
removing the battery, according to the arrow (see figure 18).
Figure 18. Removing the battery
2.8 Removing the ALERT SPEAKER
1. Using the ESD tweezers to lift the alert speaker, then removing the
alert speaker according to the arrow (see figure 19).
Figure 19.Removing the alert speaker

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3 Assembly
3.1 Assemble the front and rear camera
1.Using the ESD tweezers to take up the front &rear camera, and then
connect with the camera connector on main board and use your finger
to press down the camera (see figure 20).
Figure 20. Assemble the front and rear camera

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3.2 Assemble the Touch Panel Assembly
1. Using your hand to take up the Touch Panel assembly and put the FPC of
Touch Panel into the Front housing (see figure 21).
Figure21. Insert the FPC of touch panel assembly
2. Using your fingers press each side of Touch Panel according to the
arrow (see figure 22).
Figure22. Assemble the touch panel assembly

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3.3 Assemble the EARPIECE SPEAKER
1. Using the ESD tweezers to take up the earpiece speaker and put into
the front housing assembly, and then using your finger press the
earpiece speaker into location according to the arrow (see figure 23).
Figure 23.Assemble the EARPIECE SPEAKER
3.4 Assemble the Main Display Assembly to the front
housing
1. Using your hand to take up the main display and put the FPC of main
display into the LCM bracket (see figure 24).
Figure24. Insert the FPC of main display into the LCM bracket

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2. Using your fingers press each side of main display assembly
according to the arrow (see figure 25).
Figure25. Press the main display assembly
3. Using your hand to take up the main display assembly, and then put
the FPC of touch panel into the main display assembly (see figure 26).
Figure26. Insert the FPC of touch panel into main display assembly