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Working Instruction, Mechanical
Applicable for K770
CONTENTS
1 Introduction .............................................................................. 3
1.1 Equipment.................................................................................4
1.2 General cautions ......................................................................5
2 Disassembly ............................................................................. 6
2.1 Overview ...................................................................................6
3 Replacements......................................................................... 12
3.1 Battery Cover..........................................................................13
3.2 Memory Stick Micro (M2) 128 MB .........................................13
3.3 Front Cover Assembly ...........................................................13
3.4 Frame Assembly.....................................................................13
3.5 Keypad support plate Assembly...........................................13
3.6 LCD Module ............................................................................14
3.7 Ear Speaker.............................................................................16
3.8 M2 & SIM Assembly ...............................................................17
3.9 Antenna box & Speaker / Gasket ..........................................19
3.10 Camera Module & Camera lens.............................................20
3.11 VGA Camera ...........................................................................22
3.13 Keypad Assembly Navi..........................................................25
3.14 Keypad Assembly Numeric ...................................................26
3.15 Camera cap Assembly ...........................................................27
3.16 Camera door PWBA ...............................................................28
3.17 Camera Key Assembly...........................................................29
3.18 On/Off Key Assembly.............................................................30
3.19 Volume Key Assembly...........................................................30
3.20 KRH Label ...............................................................................31
4 Reassembly ............................................................................ 32
4.1 Overview .................................................................................32
3/000 21-1/FEA 209 544/142 A
©
Company Internal
Sony Ericsson Mobile Communications AB
2.1.1
2.1.2
Memory Stick Micro (M2) 128 MB ......................................... 8
2.1.3
Front Cover Assembly........................................................... 9
2.1.4
PBA Unit & Frame Assembly............................................... 10
2.1.5
Keypad support plate Assembly .......................................... 11
4.1.1
Keypad support plate Assembly .......................................... 33
4.1.2
PCBA Unit & Frame Assembly ............................................ 34
4.1.3
Front Cover Assembly......................................................... 35
Working Instruction, Mechanical
1(38)

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Summary of Contents for Sony Ericsson K770

  • Page 1: Table Of Contents

    4 Reassembly ................32 4.1 Overview .................32 4.1.1 Keypad support plate Assembly .......... 33 4.1.2 PCBA Unit & Frame Assembly ..........34 4.1.3 Front Cover Assembly............35 3/000 21-1/FEA 209 544/142 A 1(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 2 Working Instruction, Mechanical 4.1.4 Memory Stick Micro (M2) 128 MB ........36 4.1.5 Battery & Battery Cover Assembly ........37 5 Revision history ..............38 3/000 21-1/FEA 209 544/142 A 2(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 3: Introduction

    Working Instruction, Mechanical 1 Introduction K770 3/000 21-1/FEA 209 544/142 A 3(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 4: Equipment

    LABEL EQUIPMENT The following special equipment is required when replacing or installing a new label: • Hot air flow solder station • Zebra printer connected to computer 3/000 21-1/FEA 209 544/142 A 4(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 5: General Cautions

    If necessary, clean the surface with isopropyl alcohol before attaching new adhesives. PRECAUTIONARY ACTIONS Press the On/Off button to turn off the phone before the start of the disassembly. 3/000 21-1/FEA 209 544/142 A 5(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 6: Disassembly

    The disassembly is done in the following sequence: 1. Battery Cover (a) & Battery(b) 2. Front Cover asm 3. PBA unit 4. Frame asm 5. Keypad support plate asm 3/000 21-1/FEA 209 544/142 A 6(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 7: Battery Cover Assy & Battery

    Shift the battery cover key. Lift the battery cover assy down and release it from the frame assembly. Release the battery at the bottom and remove it. 3/000 21-1/FEA 209 544/142 A 7(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 8: Memory Stick Micro (M2) 128 Mb

    2. Remove the memory stick micro (M2) 128 MB with your fingers. Assemble (push in until it locks) a new memory stick micro (M2) 128 MB with your fingers. 3/000 21-1/FEA 209 544/142 A 8(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 9: Front Cover Assembly

    Unlock the side snaps with the front opening tool when disassembling the front cover from the PCBA unit. Separate the front cover assembly from the module. 3/000 21-1/FEA 209 544/142 A 9(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 10: Pba Unit & Frame Assembly

    PCBA. Grab the frame assembly by one hand and carefully push the PCBA unit up by the other hand as the picture. PBA unit 3/000 21-1/FEA 209 544/142 A 10(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 11: Keypad Support Plate Assembly

    SIM assembly with Opening tool or Blunt pair of tweezers. Carefully open the Key support plate connector with blunt pair of tweezers and avoid damaging the FPCB. 3/000 21-1/FEA 209 544/142 A 11(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 12: Replacements

    The instruction usually ends by directing you to the Reassembly section with a specification of the instructions you have to carry out in order to reassemble the phone. REPLACEMENTS Contents Start page DISASSEMBLY REASSEMBLY Done 3/000 21-1/FEA 209 544/142 A 12(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 13: Battery Cover

    Follow the 4.1.2 Reassembly instructions! 3.5 Keypad support plate Assembly Follow the 2.1.1 – 2.1.5 Disassembly instructions! Prepare the new Keypad support plate Assembly. Follow the 4.1.1 Reassembly instructions! 3/000 21-1/FEA 209 544/142 A 13(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 14: Lcd Module

    Use the flex film opening tool to remove the flex film. INSTALLATION Use the flex film opening tool and insert the flex film into the connector. 3/000 21-1/FEA 209 544/142 A 14(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 15 HE LCD MODULE HAS GUIDING PINS Use the guiding pins to position the LCD module on the PCBA unit. Lock the LCD module’s snap to PCBA unit. 3/000 21-1/FEA 209 544/142 A 15(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 16: Ear Speaker

    Notice the pin direction before inserting the ear speaker to the LCD module’ speaker hole. Press the ear speaker evenly to be inserted into the speaker hole properly 3/000 21-1/FEA 209 544/142 A 16(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 17: M2 & Sim Assembly

    Lift the M2 SIM assembly from PCBA unit carefully. Open the M2 SIM assembly connector carefully. Take care not to damage the FPCB. 3/000 21-1/FEA 209 544/142 A 17(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 18 Press the M2 SIM assembly down onto the PCBA unit to snap together. Press the Keypad support plate down to make it snap to M2 SIM assembly. 3/000 21-1/FEA 209 544/142 A 18(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 19: Antenna Box & Speaker / Gasket

    Use your finger to carefully press it into the antenna guide hole until it’s secured with a snap fit. SPEAKER GASKET REMOVAL & INSTALLATION Use the blunt pair of tweezers to remove the speaker gasket. 3/000 21-1/FEA 209 544/142 A 19(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 20: Camera Module & Camera Lens

    Push the 3Mpixel camera tool to bottom and wiggle the tool side to side before lifting the tool up. Use tweezers to remove the 3Mpixel camera 3/000 21-1/FEA 209 544/142 A 20(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 21 Press gently on the top of the Camera 3Mpixel until it snaps into place. AUTION O NOT TOCH THE LENS Follow the 4.1.5 – 4.1.9 Reassembly instructions! 3/000 21-1/FEA 209 544/142 A 21(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 22: Vga Camera

    Use tweezers to remove the VGA camera INSTALLATION Notice the small slot in the socket and the small slot in the VGA camera. 3/000 21-1/FEA 209 544/142 A 22(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 23 Use tweezers to position the VGA camera Press gently on the top of the VGA camera until it snaps into place. Follow the 4.1.1 – 4.1.5 Reassembly instructions! 3/000 21-1/FEA 209 544/142 A 23(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 24: System Connector &System Connector Gasket

    Use the tweezers to remove the system connector gasket. INSTALLATION OTE THE ORIENTATION OF THE YSTEM ONNECTOR Use the tweezers to mount the system connector gasket. Use your fingers to mount the System Connector. 3/000 21-1/FEA 209 544/142 A 24(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 25: Keypad Assembly Navi

    Position the keypad assembly Navi into the front cover. Carefully press to attach the keypad assembly Navi to the front cover. Follow the 4.1.4 – 4.1.5 Reassembly instructions! 3/000 21-1/FEA 209 544/142 A 25(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 26: Keypad Assembly Numeric

    Band the Keypad assembly Numeric and insert it to the other side as shown in the picture. Carefully press to attach the keypad assembly Numeric to the front cover 3/000 21-1/FEA 209 544/142 A 26(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 27: Camera Cap Assembly

    Follow the 2.1.1 – 2.1.4 Disassembly instructions! Use the blunt pair of tweezers to remove Camera cap from the Frame assembly. INSTALLATION Use your finger and press the Camera cap. 3/000 21-1/FEA 209 544/142 A 27(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 28: Camera Door Pwba

    Lift up the Camera door PWBA with the tweezers. Use tweezers to pull up the Camera door PWBA. INSTALLATION Place the Camera door PWBA on the frame and press it evenly. 3/000 21-1/FEA 209 544/142 A 28(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 29: Camera Key Assembly

    HE FRAME HAS GOT TWO GUIDING PINS Attach the camera key assembly at both ends. Note the right direction of the Camera Key assembly when assembling. 3/000 21-1/FEA 209 544/142 A 29(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 30: On/Off Key Assembly

    Use the tweezers to remove the Volume key assembly from the frame. INSTALLATION Use the tweezers to mount the Volume key assembly. Note the right direction of the Camera Key assembly when assembling. 3/000 21-1/FEA 209 544/142 A 30(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 31: Krh Label

    OK • Take the new label and place it onto the frame as in the adjacent picture NE LABEL ONLY IS ALLOWED 3/000 21-1/FEA 209 544/142 A 31(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 32: Reassembly

    The reassembly is done in the following sequence: 1. Keypad support plate asm 2. Frame asm 3. PBA unit 4. Front Cover asm 5. Battery (a) and Battery Cover (b) 3/000 21-1/FEA 209 544/142 A 32(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 33: Keypad Support Plate Assembly

    4.1.1 Keypad support plate Assembly Connect the connector between Keypad support plate assembly and PCBA unit. Press the Keypad support plate down to make it snap to M2 SIM assembly. 3/000 21-1/FEA 209 544/142 A 33(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 34: Pcba Unit & Frame Assembly

    Align the end of PCBA unit with the end of Flame assembly. Press the PCBA unit to snap to the Flame assembly. Install two silver screws with torque screwdriver at 11 Ncm with a JCIS. 3/000 21-1/FEA 209 544/142 A 34(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 35: Front Cover Assembly

    11 Ncm with a JCIS. Install four golden screws (marked with a red arrow) with torque screwdriver at 17 Ncm with a T6 bit. 3/000 21-1/FEA 209 544/142 A 35(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 36 Working Instruction, Mechanical 4.1.4 Memory Stick Micro (M2) 128 MB Assemble (push in until it locks) a new memory stick micro (M2) 128 MB with your fingers. 3/000 21-1/FEA 209 544/142 A 36(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 37 Flame assembly. Use your hands to close the Battery cover assembly. Press the Power key after assembly completed to check up the operation. 3/000 21-1/FEA 209 544/142 A 37(38) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 38 Working Instruction, Mechanical 5 Revision history Rev. Date Changes / Comments 2007-09-24 Initial release 3/000 21-1/FEA 209 544/142 A 38(38) © Company Internal Sony Ericsson Mobile Communications AB...

This manual is also suitable for:

K770i

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