Assembly /Disassembly Manual 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.
Assembly /Disassembly Manual 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).
Assembly /Disassembly Manual 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 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)
Assembly /Disassembly Manual 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...
Page 7
Assembly /Disassembly Manual 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...
Assembly /Disassembly Manual 2.5 Removing Front housing Assembly each side of front housing latch 1. Using the Guitar Pick to release according to the arrow, and then the LCM connector and release removing the front housing assembly (see figure 6) Figure 6.Removing front housing assembly...
Assembly /Disassembly Manual 2.5.1 Removing the EARPIECE SPEAKER 1. Using the ESD tweezers to lift the earpiece speaker, then removing the according to the arrow (see figure 7). earpiece speaker Figure 7.Removing the earpiece speaker 2.5.2 Removing the Main Display Assembly 1.
Page 10
Assembly /Disassembly Manual 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.
Page 11
Assembly /Disassembly Manual 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...
Assembly /Disassembly Manual 2.5.3 Removing the Touch Panel Assembly the adhesive of Touch Panel 1. Using the Front Opening Tool to release 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°...
Assembly /Disassembly Manual 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.
Page 14
Assembly /Disassembly Manual 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...
Assembly /Disassembly Manual 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).
Assembly /Disassembly Manual 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).
Assembly /Disassembly Manual 3 Assembly 3.1 Assemble the front and rear camera 1.Using the ESD tweezers to take up the front &rear camera, and then use your finger connect with the camera connector on main board and to press down the camera (see figure 20).
Assembly /Disassembly Manual 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.
Assembly /Disassembly Manual 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...
Page 20
Assembly /Disassembly Manual 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).
Page 21
Assembly /Disassembly Manual 4. Using your fingers assemble the main display assembly to front housing assembly, let the hook of front housing snap the main display assembly (see figure 27) Figure27. Assemble the main display assembly to the front housing 5.
Assembly /Disassembly Manual 3.5 Assemble the ALERT SPEAKER Using the ESD tweezers to take up the alert speaker and put it into the rear housing assembly, and then using your hand press down the alert speaker according to the arrow (see figure 29) Figure 29.Assemble the alert speaker 3.6 Assemble the Battery 1.Using your hand to take up the battery, and then put the battery into...
Assembly /Disassembly Manual 3.7 Assemble the Main board Assembly into the rear housing 1.Using your hand to take up the main board assembly, and then put the main board assembly into the rear housing, let the hook of rear housing snap the main board (see figure 31).
Assembly /Disassembly Manual 2. Using the ESD tweezers let the FPC of battery connect with the main board (see figure 32). Figure 32. Connect battery with main board 3.8 Assemble screws 1.Using a Torx driver with a T-5 bit to lock the screws according to the arrow (see figure 33) Torque :1.0±0.1kgf.cm,RPM:700~1000r/min Assemble the screws (2pcs)
Assembly /Disassembly Manual 3.9 Assemble REAR HOUSING ASSEMBLY 1. Using your hand to take up the front cover assembly, and then let the connector of main display connect with main board, according to the arrow (see figure 34) Figure 34.Assemble REAR HOUSING ASSEMBLY 2.
Assembly /Disassembly Manual 3.10 Assemble screws 1. Using a Torx driver with a T-4 bit to lock the screws according to the arrow (see figure 36) Torque :1.0±0.1kgf.cm,RPM:700~1000r/min Figure 36. Assemble the screws (T4)
Page 27
Assembly /Disassembly Manual 2. Using a Torx driver with a T-5 bit to lock the screws according to the arrow (see figure 37) Torque :1.0±0.1kgf.cm,RPM:700~1000r/min Figure 37. Assemble the screws (T5)
Assembly /Disassembly Manual 3.11 Assemble the Receiver decoration 1. Using the ESD tweezers take up the receiver DECO and put it into the front housing, and then using your hand press down the receiver DECO (see figure 38) Figure 38. Assemble the receiver decoration 3.12 Assemble the rear decoration 1.
Assembly /Disassembly Manual 3.13 Assemble the Subscriber Identity Module (SIM) and the Micro SD 1. Using your hand to take up the SIM&SD card, and then insert the SIM&SD holder according to the arrow (see figure 40) Figure 40. Assemble the SIM &SD card...