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X700 Training Course

X700 Training Course. Disassembly. Lower case assembly and main PCB board removal. 1. Place thumbs at outer edges of battery cover, press down, then slide the battery cover towards the bottom of the phone. 2. Lift and remove battery.

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X700 Training Course

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  1. X700 Training Course Disassembly

  2. Lower case assembly and main PCB board removal 1. Place thumbs at outer edges of battery cover, press down, then slide the battery cover towards the bottom of the phone. 2. Lift and remove battery.

  3. 3. Remove the 2 screw caps located on the top of phone. Using a Trident screwdriver remove 2 long green screw at top of phone. Remove 2 long green screws at bottom of phone. Retain the screws for re-use. 4. Remove the I/O cover and retain for reassembly. Lower case assembly and main PCB board removal

  4. 5. Set the phone into the ‘Open’ position. 6. Separate the lower case from the lower cover using a plastic strip (of credit card thickness). Note: When separating the lower case and lower cover the multi button (side key) and headset jack cover will disengage. Note: There are 2 snaps on both sides of the phone. Lower case assembly and main PCB board removal Headset Jack Cover Snaps Multi button Snaps

  5. 7. Separate 80 pin connector. Carefully use edge of plastic strip (of credit card thickness) to separate.Remove Main PCB by lifting bottom end up first, then gently twistinhands free until the PCB separates from the 80 pin connector. If main PCB is connected to the 80 pin connector, carefully use edge of plastic strip (of credit card thickness) to separate. Caution: Separate carefully to prevent damage to the connector or flex containing the 80 pin connector. Lower case assembly and main PCB board removal 80 PIN connector

  6. 1. With Keypad facing up, lift up lower flex lock (1) and remove flex from top flex connector. Unhook 2 hooks. Caution: Lift up (open) or push down (close) flex lock carefully. If damaged, a new connector must be placed on PCB. Main PCB Lower flex lock (1) (keypad side) Flex lock closed Hook A Flex lock open

  7. 2. Turn main PCB over if necessary pivot (1) to release chassis from PCB. Lift up (2) and remove. Main PCB

  8. 3. Unhook hook A, B, then C. Caution: Be careful to use minimum force needed to unhook hooks. The hooks will break or can be easily damaged. Main PCB Hook A Hook B Hook C

  9. 4. Pivot (1), lift (2) and remove sub PCB. Main PCB

  10. 5. Lift up lower flex lock (2) and remove flex from bottom connector. Remove lower flex from sub PCB. Caution: Lift up (open) or push down (close) flex lock carefully. If damaged, a new connector must be placed on PCB. Main PCB Flex Lock Closed Lower Flex Lock (2) Lower Flex Flex Lock Open

  11. 1. Gently lift and remove vibrator unit. Vibrator Removal

  12. 1. Lift up and remove keypad. Note: Lift keypad carefully if keypad is to be reused. If adhesive is damaged, new keypad will be needed for reassembly. Keypad Removal

  13. 1. Lift the microphone insert from its recess on the lower case cover. Using a Trident screwdriver remove 1 long green screw. to remove hinge holder. Retain the screw for reassembly. Gently lift up and remove the hinge holder. Retain for reassembly. Microphone and hinge holder removal Hinge Holder

  14. 1. Gently pull up on left side to remove hinge from lower cover. Caution: Take care not to damage the flex during disassembly. Upper Case Assembly, Flex Board and Display Removal

  15. 2. Using a strip of plastic (of credit card thickness) gently lift up and remove the logo panel. Remove the 2 screw caps. Use a Trident screwdriver to remove 4 long green screws. Retain the screws for reassembly. Note: A magnet is located under the logo panel. If when removing the logo panel the magnet separates from the upper cover, place back into the recessed area in the upper cover. If necessary replace magnet with new adhesive. Note: The logo panel and the 2 screw caps must be replaced with new parts for reassembly. Upper Case Assembly, Flex Board and Display Removal Magnet

  16. 3. Separate the upper cover and upper case using a plastic strip (of credit card thickness). Note: There are 2 snaps on both sides of the phone. Upper Case Assembly, Flex Board and Display Removal Snaps Snaps

  17. 4. Gently press down (1) and slide the flex circuit toward top of phone (2). This will remove the flex connection from the brackets. Gently lift up camera connection flex (3). Upper Case Assembly, Flex Board and Display Removal

  18. 5. Lift bottom end of flex PCB board and slide right until board clears the camera and is free from the upper cover. The hinge pivot will exit the hinge compartment while removing the flex PCB board. Caution: Do not damage the flex while clearing camera and removing flex PCB. Upper Case Assembly, Flex Board and Display Removal

  19. 1. Remove hinge. Retain for reassembly. Hinge Removal

  20. 1. Lift and remove the receiver, receiver holder and receiver cushion from its recess in the upper cover. Receiver, receiver holder and receiver cushion removal

  21. 1. Using a small screwdriver blade or blunt instrument, gently insert under the camera module, lift up and remove the camera module. Replace double stick pad when camera module is replaced. Camera removal

  22. 1. Gently lift up main LCD connector (1), gently lift up sub LCD connector (2), unplug speaker phone (3). Gently slide LCD module to disengage and unhook from the 2 hooks. Caution: Use extreme care when disconnection sub-LCD connector. Use a straight edge of a plastic strip to gently separate connector in the direction shown. Do not twist, but lift entire edge uniformly. Connector portion on flex may separate if proper procedure is not followed. Flex can not be repaired. Caution: Use minimal force to release the PCB. Hooks may be damaged and could not be used again. Removal of LCD module Hook (under flex) Hook

  23. 2. Lift and remove LCD module. Caution: Use minimal force to release the PCB. Hooks may be damaged and could not be used again. Removal of LCD module

  24. 3. Unhook the 4 hooks. Removal of LCD module Hooks Hooks

  25. 4. Remove main LCD module. Removal of LCD module

  26. 1. It is only necessary to remove the antenna if the antenna or antenna contact is damaged. 2. Using a small screwdriver blade or blunt instrument, apply pressure to the antenna lug in the direction shown (1) while pulling the antenna away from the case (2). Remove Bluetooth antenna and antenna terminal with tweezers. Remove SD cover. Retain for reassembly. 3. To replace, push the antenna into its receptacle until it locks in position. RF Antenna, Bluetooth Antenna and SD Cover Removal

  27. Reassembly

  28. 1. Upper cover reassembly includes the upper cover with following: 1) lower camera gasket, camera and 2) receiver holder, receiver cushion, receiver and magnet. Upper Cover Reassembly

  29. 1. Upper flex PCB reassembly includes the following: main LCD assembly which includes the main LCD, main LCD bezel, main LCD adhesive,main LCD gasket and 4 conductive cushions. Sub LCD reassembly which includes the sub LCD frame and hands free assembly Insure that all the components are securely attached and that all connectors are fully and properly seated. 2. Have the hinge pivot ready to complete the upper flex PCB reassembly. Carefully slide the flexible portion of the upper flex into the hinge pivot with the closed side of the hinge pivot facing away from the upper cover. Be careful when tilting the PCB to make sure to avoid the camera and damage to the flex circuit. Carefully slide the upper flex PCB and hinge pivot together so that the flex circuit stays in the slot of the upper cover while the hinge pivot is being inserted into the upper cover. Upper Flex PCB Reassembly

  30. 3. Place the main LCD bezel into the opening of the upper cover. Upper Flex PCB Reassembly

  31. 4. Attach the PCB connector into the receiver (1 and 2). Attach the camera connector to the connector on the PCB (3). Caution: Damage to the flex circuit portion of the upper flex PCB is NOT repairable. The flex circuit may be easily stretched or cut during this operation, causing a small tear which can grow with use and render the circuit unusable. Handle this assembly with care to avoid damage. Upper Flex PCB Reassembly

  32. Correctly align the upper case assembly over the upper cover assembly. Press down until the 4 snaps engage. Insert the sub LCD cushion and the camera cushion. Upper case reassembly

  33. 2. Insert 4 screws and torque all screws to 1.3 KGF-CM using a #3ULR0 Trident screwdriver tip. Note: Several parts come with protective sheets. Do not remove. Take care not to let the tabs of a protective sheet get trapped between pieces. Do not let the tabs become attached to any adhesive. Upper case reassembly

  34. 1. Remove the main LCD panel from the liner sheet, and inspect for foreign objects or fingerprints on the interior surface. If needed, clean the main LCD glass surface and the interior of the main LCD panel with an ionized air spray. Align the panel to the proper orientation, and place in the upper cover, beginning as close to the top (scalloped) edge as possible. Press and hold the adhesive areas (around the perimeter) with moderate (not excessive) force to the upper cover for 10 seconds. Main LCD and Logo Panel Reassembly Protective Sheet

  35. Place the logo panel in the recess below as shown, insure the logo panel is correctly placed. Press and hold the adhesive areas (at each end) with moderate (not excessive) force to the upper cover for 10 seconds Main LCD and Logo Panel Reassembly

  36. 1. Remove the panel from the liner sheet, and inspect for foreign objects or fingerprints on the interior surface. If needed, clean the sub LCD glass surface and the interior of the sub LCD panel with an ionized air spray. Align the panel to the proper orientation, and place in the upper case. Press and hold the adhesive areas (around the perimeter) with moderate (not excessive) force to the upper case for 10 seconds Sub LCD Panel Reassembly

  37. 1. Place the screw covers over the 2 screw recesses at the top of the upper cover. Upper Cover Screw Covers Replacement

  38. 1. Insert the hinge as shown in the upper cover. Upper Housing Reassembly to the Lower Cover

  39. 2. 1) Rotate and align the hinge pivot with the open area facing upward and carefully insert into the main area of the lower cover assembly, taking care to tilt the upper housing assembly without causing damage to the flex circuit during reassembly. 2) Push down gently until the upper housing assembly is full engaged into the lower cover. Insert microphone. Caution: Damage to the flex circuit portion of the upper flex PCB is not repairable. The flex circuit may be easily damaged during this operation, causing a small tear which can grow with use and render the circuit unusable. Upper Housing Reassembly to the Lower Cover

  40. 3. 1) Insert hinge holder into the lower cover in the direction shown. 2) Gently lower the other side of the hinge holder into the lower cover. Insert 1 screw and torque the screw to 1.3 KGF-CM using a #3ULR0 Trident screwdriver tip. Upper Housing Reassembly to the Lower Cover Hinge Holder

  41. 4. Carefully adjust the position of the 80 pin connector at the end of the exposed flex circuit so that the hole on the flex mounts to the boss on the lower cover and the edge of the 80 pin connector is under the 2 tabs of the hinge holder. Use care to avoid damage to the exposed Flex Circuit during this step Upper Housing Reassembly to the Lower Cover

  42. 1. SD PCB assembly includes the following: SD flex connector, vibrator unit, SD PCB, chassis. SD PCB Reassembly Lower Flex

  43. 1. Main PCB reassembly includes the following: main PCB, all soldered components, 4 shield covers, dome sheet and PCB ID label. 2. Carefully open the ZIF connector by rotating the black locking bar up. Orient the main PCB assembly with the dome sheet facing up and the ZIF connector in the upper right corner. Orient the SD PCB assembly with the SD PCB on top and the SD flex connector facing left. Insert the flex into the ZIF connector, aligned in the top and bottom slots and place as far into the connector as possible. Lock the SD flex connector. Caution: Use care to open and close the ZIF connector. damage to or loss of the locking bar will required replacement with a new main PCB assembly. Main PCB Reassembly Flex lock closed Flex lock open

  44. 3. Carefully rotate the SD PCB assembly to the opposite side of the main PCB and align the 3 tabs. Use care not to damage the SD flex during this step. Press the SD PCB assembly and the main PCB together. Make sure that the 2 locking hooks properly engage Main PCB Reassembly

  45. 1. Place the memo button in the slot on the lower cover. Align the keypad and place in the lower cover. Use tweezers to remove the adhesive liner. Completing the Assembly

  46. 2. Place the upper housing into the lower cover assembly. Connect the 80 pin connector halves by using the thumb and forefingers to apply force to the exterior areas directly over the connector. A snap should be heard or felt to insure a secure connection. Note: The keypad assembly will be fastened to the main PCB. If this process needs to be repeated due to poor alignment, the keypad assembly must be carefully removed from the main PCB. A new keypad assembly must be used if the adhesive is damaged or missing. Completing the Assembly 80 PIN connector

  47. 3. Reassemble the lower case assembly. Push the antenna in until it locks in position. Place the SD cover into the SD opening and rotate until snapped into place. If necessary replace the I/O cover. Completing the Assembly

  48. 4. Place the headset jack cover in the lower case cover. Assembly the lower case with the lower cover assembly. Snap the 4 snaps making sure that both assemblies are connected. Completing the Assembly Headset Jack Cover Snaps Snaps

  49. 5. Insert 4 screws and torque all screws to 1.3 KGF-CM using a #3ULR0 Trident screwdriver tip. Replace the 2 screw caps. 6. Replace battery and battery cover. Completing the Assembly

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