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TCL 5056O Repair Document

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TCL
L2 Repair Document
Communication Ltd.
POP4-5.5C ATT
5056O
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
1/60
5056O Level 2 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 5056O

  • Page 1 L2 Repair Document Communication Ltd. POP4-5.5C ATT 5056O Note: this manual is non-contractual and TCL Communication Ltd. can modify it without prior notice on the characteristics of described equipments. Rev. Page 1/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 2 Draft creation Mani Lee Abby Zhou Damon Han Rev. Date Modification description Prepared By Checked By Approved By Rev. Page 2/60 5056O Level 2 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： ............18   4.2. Handset driver installation ..................18   4.3. SW download process .................... 19   5 Disassembly and assembly 5056O ................22   5.1 ESD Safety ....................... 22   5.2 Disassembly tool ..................... 22  ...

  • Page 4: Level 2E Repair Process

    Disassembly L2 Repair L2E Repair Retest Retest PCBA Replace Reassembly Retest Restore User Information Record in BIG Rev. Page 4/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 5: 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).Three position of humidity sensitive sticker. Rev. Page 5/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 6: Visual Mechanical Check

    Scratches (length > 3mm) on any surface, including the front casing, decorate frame, battery cover, touch Lens, keypad, etc. Rev. Page 6/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 7: Pretest

    II. Press “pass” key to continue. RAW Data I. You can see Raw data test is running; Rev. Page 7/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 8 Key Backlight You will see the keypad flash if it functions well II. Press “Pass” to continue. Rev. Page 8/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 9 II. You will hear one record in left discrete; The “Volume Down “and “Volume Up” will display grey if it functions well. Rev. Page 9/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 10 II. It will display “Please shadow the sensor “ ,and follow the instruction if it functions well. II. Press “Pass” to continue; Rev. Page 10/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 11 II. Press “Pass” to continue; SoftwarePartion It will displays the software version if it functions will II. Press “Pass” to continue; Rev. Page 11/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 12: Battery

    II. Press “Reset” to confirm; Exit It will exit the test automatically. 3 Battery 3.1 Battery information Battery picture Rev. Page 12/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 13 Battery range depends on the network characteristics, the ambient temperature and particularly on movement. 5056O Pixi 4-6 3G Power pack Talking time Standby time (hours) Rev. Page 13/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 14: Battery Test

    Cell phone status before charger connected Display lights up and following battery icon displayed: During charging Sequential icon flashing: Rev. Page 14/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 15 If it cannot work correctly after change charger. Check the Charge connector on the cell phone. If it is damaged, replace the cell phone. Rev. Page 15/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 16: Battery Specification

    L2 Repair Document Communication Ltd. 3.3 Battery specification Rev. Page 16/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 17: Warning Of Battery Disassembling

    Fire extinguisher is needed for emergency. The battery can be re-used after disassembly if it is normal. Rev. Page 17/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 18: Software Download

    Double click to install the Multi-Download QCT_SP, and then select the “Install driver” check box for the driver installation. Rev. Page 18/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 19: Sw Download Process

    L2 Repair Document Communication Ltd. 4.3. SW download process Login the Multi-Download QCT_SP, then select the 5056 O model: Rev. Page 19/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 20 II. Click the ‘Download’ button, it will display the SW version , IMEI, Cu ref etc of the handset. Rev. Page 20/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 21 L2 Repair Document Communication Ltd. III. Upgrade finished: Rev. Page 21/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 22: Disassembly And Assembly 5056O

    You may use the following tools during the disassembly and reassembly procedure: Screwdriver Tweezers Plastic Flake 5.3 Disassembly process 6 Level 2 repair The steps of disassembly 5056O are as below. Step1: Take off the back cover by using plastic flake. Rev. Page 22/60 5056O Level 2 Repair Document...
  • Page 23 L2 Repair Document Communication Ltd. Step2: Take off the 17 screws on the phone: Rev. Page 23/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 24 L2 Repair Document Communication Ltd. Rev. Page 24/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 25 L2 Repair Document Communication Ltd. Step3: Disconnect the receiver. Rev. Page 25/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 26 Step 4: Disconnect the FPCs connector and main camera. Step4: Pull up the PCBA by using plastic flake Rev. Page 26/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 27 Step 5 : Remove the speaker ,front camera and rubber.(Note: Do not dissemble the speaker unless it is necessary.) Rev. Page 27/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 28 Note: Press the battery and pull out the battery sticker slowly and carefully until it is completely removed. Rev. Page 28/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 29 III. Please be careful for the battery sticker when you are pulling out them, do not pull off the battery sticker. Rev. Page 29/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 30: Reassembly Process

    When assembling Furnished frame, make sure the TP FPC, LCD FPC and Slide key FPC connected firstly. Rev. Page 30/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 31: Disassembly Process Evaluation

    Tweezers+ Receiver Class 2 soldering iron Tweezers+ vibrator Class 2 soldering iron 7 Disassembly Complete Explored view Rev. Page 31/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 32 Forlog system. This chapter describes the Level 2 repair that can be done without any diagnostic equipmen Rev. Page 32/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 33 L2 Repair Document Communication Ltd. Display failure Rev. Page 33/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 34 Vibrator and PCBA is good Clean the contact of Check whether contact of PCBA PCBA is clean Replace PCBA Rev. Page 34/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 35 L2 Repair Document Communication Ltd. Touch function failure Rev. Page 35/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 36 L2 Repair Document Communication Ltd. SIM card can’t be recognized Rev. Page 36/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 37 C h e c k w h e t h e r t h e T F c a r d connector is good Change TF card connector and see if problem can be solved Replace PCBA Rev. Page 37/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 38 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 38/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 39 L2 Repair Document Communication Ltd. Sub camera function failure Rev. Page 39/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 40: L2 Enhance Repair

    Before performing the following troubleshooting operations, please make sure the software of the device is in good condition and restored to default settings. Rev. Page 40/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 41: Position Of L2 Enhance Components On Pcba

    L2 Repair Document Communication Ltd. 8.1 Position of L2 enhance components on PCBA Rev. Page 41/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 42: Trouble Shooting For Common Failures

    PCBA blister easily when you heat part of the PCBA by using hot wind gun. Rev. Page 42/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 43 8.2.1 Display issue Rev. Page 43/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 44 R e w e l d o r r e p l a c e Check whether U1101 is U1101 PMU normal Replace PCBA Rev. Page 44/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 45 R e w e l d o r r e p l a c e Check whether U1101 is U1101 PMU normal Replace PCBA Rev. Page 45/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 46 L2 Repair Document Communication Ltd. 8.2.4 Voice transmitting issue Rev. Page 46/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 47 R e w e l d o r r e p l a c e Check whether U1101 is U1101 PMU normal Replace PCBA 8.2.8 Main camera function failure Rev. Page 47/60 5056O Level 2 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 Check whether U1101 is U1101 PMU normal Replace PCBA Rev. Page 48/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 49 R e w e l d o r r e p l a c e Check whether U1101 is U1101 PMU normal Replace PCBA Rev. Page 49/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 50 Check whether J2101 is J2101 normal Reweld or replace Check whether U1101 is normal U1101 PMU Replace PCBA Rev. Page 50/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 51 R e w e l d o r r e p l a c e Check whether U1101 is U1101 PMU normal Replace PCBA Rev. Page 51/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 52 R e w e l d o r r e p l a c e Check whether U1101 is U1101 PMU normal Replace PCBA Rev. Page 52/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 53 R e w e l d o r r e p l a c e Check whether U1101 is U1101 PMU normal Replace PCBA Rev. Page 53/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

  • Page 54: L2 Enhance Spare Part List

    L2 Repair Document Communication Ltd. 8.3 L2 enhance spare part list ONETOUCH 5056O L2E spare part list. 9 PCBA exchange If Level 2 repair does not solve the failure, it is mandatory to change the PCBA and follow the process as below.

  • Page 55: Function Test

    Return of PCBA process 1) The PCBA which shielding cover is rusty or distortion, copper peel off; Rev. Page 55/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 56 2) Smudge on PCBA, such as soldering flux, rudimental glue, handwriting, burn, scratch and so on; × Rev. Page 56/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 57 L2E label, IMEI label and BSN sticker are acceptable to be kept on PCBA only under the condition that these labels are intact, clean and smoothly pasted in the right place) Rev. Page 57/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 58 L2 Repair Document Communication Ltd. × × 4) PCBA with liquid or mildew. Rev. Page 58/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 59 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 59/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
  • Page 60 If you have any question or problem, please feel free to contact us Thanks for your cooperation. TCL Communication Ltd. Global Customer Service TS Dept. May 15 , 2015 Rev. Page 60/60 5056O Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

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