TCL VFD 700 Repair Document
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TCL VFD 700 Repair Document

TCL VFD 700 Repair Document

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TCL
L2E Repair Document
Communication Ltd.
SHINE PLUS VF
VFD 700
Note: this manual is non-contractual and TCL Communication Ltd. can modify it without prior
notice on the characteristics of described equipments.
Rev.
Page
1.0
1/77
VFD 700 Level 2 Enhance Repair Document
All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

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Summary of Contents for TCL VFD 700

  • Page 1 L2E Repair Document Communication Ltd. SHINE PLUS VF VFD 700 Note: this manual is non-contractual and TCL Communication Ltd. can modify it without prior notice on the characteristics of described equipments. Rev. Page 1/77 VFD 700 Level 2 Enhance Repair Document...
  • Page 2 2016/4/15 Draft creation Peter ye Rev. Date Modification description Prepared By Checked By Approved By Rev. Page 2/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 3: Table Of Contents

    4.1 Equipments requested when download： ..................20 4.2 Install driver ............................. 20 4.3 SW download process ........................21 5 Disassembly and assembly VFD 700 ....................25 5.1 ESD Safety ............................25 5.2 Disassembly tool ..........................25 5.3 Disassembly process ......................... 26 Disassembly Notice: ..........................
  • Page 4 10 Other component exchange ......................70 Function Test ............................71 APPENDIX 1 Packaging Requirements ....................72 Rev. Page 4/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 5: Level 2 Repair Process

    L2 Repair L2E Repair Retest PCBA Replace Reassembly Retest Retest Restore User Information Record in BIG Rev. Page 5/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 6: Warranty Check And Visual Inspection

    If humidity sensitive label is not good, the cell phone will be considered as out of guarantee. 1). Liquid was detected by humidity sensitive label. 2). Position of humidity sensitive sticker. Rev. Page 6/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 7: Visual Mechanical Check

    Touch broken, casing/cover broken, etc. Dropped  Keypad tear off, touch lens, connectors dropped, etc. Rev. Page 7/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 8: Pretest

    “NO” to exit the auto test, while “NEXT” to continue the auto test. Rev. Page 8/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 9 I. You will see the LCD displays black if it functions well; II. Press “Pass” to continue; Rev. Page 9/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 10  CAMERA Press “Pass” to continue if the front camera functions well.  CAMERA IMG FRONT Rev. Page 10/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 11 II. Press “PASS” to continue; I. You will hear a voice prompt which introduces some emergency call numbers Rev. Page 11/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 12 II. Press“Pass” to continue; Rev. Page 12/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 13 I. Insert USB cable according to instruction and it will say “USB cable checked”, “USB: OK”; II. Press “Pass” to continue.  COMPASS Rev. Page 13/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 14 III. Insert SD card and the phone will detect it if it functions well; IV. Press “Pass” to continue. Rev. Page 14/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 15  FACTORY RESET It will do the factory reset automatically if you press the item. Rev. Page 15/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 16: Battery

    L2E Repair Document Communication Ltd. 3 Battery 3.1 Battery information 1) Battery picture Rev. Page 16/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 17 Battery range depends on the network characteristics, the ambient temperature and particularly on movement. Rev. Page 17/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 18: Battery Test

    1) Below table describes the various events related to a standard charger connected to a cell phone. VFD700 Cell phone status before charger connected Rev. Page 18/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 19  Confirm it works correctly or not.  If it cannot work correctly after change charger. Rev. Page 19/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 20: Note Of Battery

    At the final step of SUGAR setup procedure, it will remind you to install driver. Please select “Yes”, and then the driver will be installed. Rev. Page 20/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 21: Sw Download Process

    MTK_SP” v3.4.2 (you can get the latest version from TS website: https://css.tclmobile.cn/). “Sugar QCT_SP” login window looks like follow picture. Rev. Page 21/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 22 IMEI, PTM, CU ref, data code, etc. 1) Select the product models – “V700”; Rev. Page 22/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 23 III. Power off the handset and reconnect it with PC by USB cable, then click “Upgrade”, upgrade process will start automatically. Rev. Page 23/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 24 IV. Upgrade finished. The phone will turn on automatically if the download is finished successfully. Rev. Page 24/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 25: Disassembly And Assembly Vfd 700

    You may use the following tools during the disassembly and reassembly procedure: Screwdriver Tweezers Plastic Flake Soldering iron Suction cups Hot wind gun Rev. Page 25/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 26: Disassembly Process

    The steps of disassembly VFD700 are as below. Step1: Take off the back cover by using plastic flake. Rev. Page 26/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 27 Step2 : disconnect the 15 screws marked in red circle. There are 2 kinds of screws as below. Description Rev. Page 27/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 28 Screw, PM(Machine),PM1.4×0.3P×L3.0mm,Flat Head, HD=Ф2.6×T0.5mm Step3 : separate the main/sub antenna Furnished Frame with plastic flake. Rev. Page 28/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 29 L2E Repair Document Communication Ltd. Rev. Page 29/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 30 Note: Please disconnect the side key FPC and remove the vibrator from the furnished front casing in advance with tweezers. Rev. Page 30/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 31 L2E Repair Document Communication Ltd. Step6 : Remove the Main and Sub PCBA with plastic flake. Rev. Page 31/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 32 Step7 : Remove the P sensor rubber, MIC rubbers, front camera and side key FPC with tweezers. Rev. Page 32/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 33: Disassembly Notice

    1). Receiver is easily to be damaged during disassembly process. Thus please do not disassemble receiver unless it is necessary. Rev. Page 33/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 34: Reassembly Process

    Make sure the MIC rubbers, receiver, side key FPC and P sensor rubber are assembled correctly. Rev. Page 34/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 35: Disassembly Process Evaluation

    Speaker box Tweezers Class 1 MIC rubbers Tweezers Class 1 P sensor rubber Tweezers Class 1 Rev. Page 35/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 36: Disassembly Complete

    L2E Repair Document Communication Ltd. 6 Disassembly Complete  Explored view  Forlog Below table lists VFD 700 L2 spare parts. You could also refer to system. Rev. Page 36/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 37 L2E Repair Document Communication Ltd. Rev. Page 37/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 38 L2E Repair Document Communication Ltd. Rev. Page 38/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 39: Level 2 Repair

    This chapter describes the Level 2 repair that can be done without any diagnostic equipment. All these repairs only refer to the hardware part. Rev. Page 39/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 40: Power On Issue

    F P C FPC connector is damaged connector Replace PCBA Rev. Page 40/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 41 Check whether USB Reweld or replace USB connector connector is normal Replace PCBA Rev. Page 41/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 42 Reweld or replace LCD Check whether LCD connector is connector normal Replace PCBA Rev. Page 42/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 43 Check whether contact of PCBA PCBA is clean Check whether Vibrator is Change Vibrator normal Replace PCBA Rev. Page 43/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 44 (interchange method) Reweld or replace TP Check whether TP connector is connector normal Replace PCBA Rev. Page 44/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 45 C h e c k w h e t h e r S I M c a r d Re-weld or change SIM connector is good card connector Replace PCBA Rev. Page 45/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 46 C h e c k w h e t h e r t h e T F c a r d Reweld or replace TF connector is good card connector Replace PCBA Rev. Page 46/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 47 C h e c k w h e t h e r M a i n c a m e r a Reweld or replace Main connector is normal camera connector Replace PCBA Rev. Page 47/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 48 R e w e l d o r r e p l a c e s u b connector is normal camera connector Replace PCBA Rev. Page 48/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 49 M I C i s Reweld or replace sub MIC normal. Replace PCBA Rev. Page 49/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 50: Pcba Exchange

    8.1 Position of L2 enhance components on main PCBA  Main PCBA (Side A) Rev. Page 50/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 51 L2E Repair Document Communication Ltd.  Main PCBA (Side B) Rev. Page 51/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 52 L2E Repair Document Communication Ltd.  ACF module (sub PCBA) Rev. Page 52/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 53: Trouble Shooting For Common Failures

    8.2.1 Display failure Rev. Page 53/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 54 C h e c k w h e t h e r U 1 1 0 1 i s U1101 normal Replace Main PCBA 8.2.2 No keypad backlight Rev. Page 54/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 55 Replace ACF module is normal Reweld or replace Check whether J1205 is normal J1205 Replace main PCBA Rev. Page 55/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 56 (such as volt etc.) function etc. Check whether J0901 is Reweld or replace J0901 normal Replace Main PCBA Rev. Page 56/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 57 Check whether M1501 is Check whether M1502 is M1501 M1502 normal normal Replace main PCBA Rev. Page 57/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 58 Replace ACF module is normal Reweld or replace Check whether J1205 is normal J1205 Replace main PCBA Rev. Page 58/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 59 C h e c k w h e t h e r J 1 2 0 1 i s Reweld or replace J1201 normal Replace main PCBA Rev. Page 59/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 60 C h e c k w h e t h e r J 1 4 0 1 i s J1401 normal Replace main PCBA Rev. Page 60/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 61 C h e c k w h e t h e r J 1 4 0 2 i s J1402 normal Replace main PCBA Rev. Page 61/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 62 R e w e l d o r r e p l a c e Check whether H0801 is H0801 normal Replace main PCBA Rev. Page 62/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 63 Check whether J0901 is J0901 normal Check whether J1205 is Reweld or replace J1205 normal Replace main PCBA Rev. Page 63/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 64 Check whether J1205 is Reweld or replace J1205 normal Replace main PCBA Rev. Page 64/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 65 Underfilling is good Check whether J1206 is Reweld or replace J1206 normal Replace main PCBA Rev. Page 65/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 66 R e w e l d o r r e p l a c e Check whether U2201 U2201 is normal Replace main PCBA Rev. Page 66/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 67 Check whether J1501 is Reweld or replace normal J1501 Replace main PCBA 8.2.20 No signal Rev. Page 67/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 68 TP1903/TP1904 Reweld or replace Check whether TP2101/TP2102/ TP2101/TP2102/TP2103/ TP2103/TP2104 TP2104 is normal Replace main PCBA Rev. Page 68/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 69: L2 Enhance Spare Part List

    Check whether U1601 is U1601 normal Replace main PCBA 8.3 L2 enhance spare part list  Shine Plus VFD 700 L2E spare part list. You can also check the latest SPL from our CSS website: https://css.tclmobile.cn Rev. Page 69/77 VFD 700 Level 2 Enhance Repair Document...

  • Page 70: Pcba Exchange

    Note: packaging method please refer item “APPENDIX 1 Packaging Requirements”. 10 Other component exchange The other components exchange such as Furnished Underfilling Rev. Page 70/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 71: Function Test

    Switch on the handset Default welcome message Press *#2886# on the idle screen to start the auto test Rev. Page 71/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 72: Appendix 1 Packaging Requirements

    2) Smudge on PCBA, such as soldering flux, rudimental glue, handwriting, burn, scratch and so on ; × Rev. Page 72/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 73 × × ×  3) Symptom sticker, high temperature adhesive or nonstandard label on PCBA; Rev. Page 73/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 74 × Rev. Page 74/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 75 Clean and intact IMEI label should be retained on the PCBA. √ √ IMEI label PCBA label Note： Rev. Page 75/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 76 Put this box into a bigger carton and put a cardboard on top (this is to avoid the PCBA to drop around during transportation) Rev. Page 76/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 77 Thanks for your cooperation. TCL Communication Ltd. Global Customer Service TS Dept. Apr 15 , 2016 Rev. Page 77/77 VFD 700 Level 2 Enhance Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

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