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TCL Alcatel Pixi4-3.5 3G, Repair Document

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TCL Alcatel Pixi4-3.5 3G Repair Document Download Page 46

 

L2E Repair Document 

                    

TCL

 Communication Ltd.

 

                     

Rev. 

4017A_D_E_F_X_S Level 2 enhance Repair Document 

Page 

1.0 

46/54 

All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization. 

 

 

8.2.3  TP function failure 

Check whether the connection 
between TP and PCBA is good

N

Y

N

Check whether TP is normal 

（

interchange method

）

Y

Reassemble TP

Change 

TP

Replace Main PCBA

 

8.2.4  Voice transmitting failure 

Y

Check whether Speaker is 
normal

N

 Replace Speaker

Replace Main PCBA

 

 

Summary of Contents for Alcatel Pixi4-3.5 3G

Page 1: ...Page 1 0 1 54 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Pixi4 3 5 3G 4017A_D_E_F_X_S Note this manual is non contractual and TCL Communic...

Page 2: ...Level 2 enhance Repair Document Page 1 0 2 54 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 1 0 2016 2 27 Official version Peter ye Rev Date...

Page 3: ...tion 8 2 6 Cell phone maintenance procedure 9 3 Software download 15 3 1 Equipments requested when download 16 3 2 Install driver 16 3 3 SW download process 17 5 Disassembly and assembly 4017 21 5 1 E...

Page 4: ...communication of this file is prohibited without authorization 1 Level 2 enhance repair process Reassembly Record in BIG End OK Rete st OK OK Star Visual Inspection Warranty Check Pretest Failure conf...

Page 5: ...he handset enter 06 b If the IMEI sticker in the back casing is not lost We should make sure that the IMEI number must be the same with the one on the IMEI sticker if not it s out of warranty policy 2...

Page 6: ...urfaces 2 Hole diameter 1mm Holes on any surface including the front casing furnished frame battery cover touch Lens keypad 3 Bump Bumps diameter 1mm on any surface including front casing decorate fra...

Page 7: ...tly 2 Power on the cell phone 3 If the cell phone asks to input NCK code this means it is SIM locked and can only be worked with dedicated SIM card Use the correct SIM card 4 Enter the phone code if n...

Page 8: ...rame battery cover LCD Lens keypad 5 Distortion Bend twisted or crushed on the h s cover casing or connectors 6 Broken LCD broken casing broken cover broken 7 Dropped Keypad tear off LCD lens connecto...

Page 9: ...M card is set correctly 2 Power on the cell phone 3 If the cell phone asks to input NCK code which means it is SIM locked and can only be worked with dedicated SIM card Use the correct SIM card 4 Ente...

Page 10: ...ring test and it will show Pass if it functions well II Press PASS to continue TP1 I Please draw on the yellow area and it will show TEST RESULT OK II Press Pass to continue TP2 I Please draw on the y...

Page 11: ...D displays grey level if it functions well II Press Pass to continue LCD WHITE I You will see the LCD displays white if it functions well II Press Pass to continue KEYPAD I Press the key displayed on...

Page 12: ...ncy call numbers from the receiver if it functions well II Press PASS to continue III You will hear a voice prompt which introduces some emergency call numbers from the speaker if it functions well IV...

Page 13: ...Make a noise near the headset mic you will hear it from headset if it functions well VI Press Pass to continue VII You will hear FM playing and FM frequency will be displayed on the screen if it funct...

Page 14: ...to continue III Put the handset face down down left right and face up according to instruction and then the instruction will disappear and it will say All positions checked if it functions well IV Pre...

Page 15: ...e BT I Bluetooth will search automatically and it will display device address if it functions well II Press Pass to continue WIFI I It will search for WIFI hotspot and it will display searched result...

Page 16: ...erved Transfer copy use or communication of this file is prohibited without authorization 3 1Equipments requested when download 1 A handset with full power 2 PC with windows system 3 A USB cable 3 2In...

Page 17: ...ev 4017A_D_E_F_X_S Level 2 enhance Repair Document Page 1 0 17 54 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 3 3SW download process Login t...

Page 18: ...Rev 4017A_D_E_F_X_S Level 2 enhance Repair Document Page 1 0 18 54 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Click the button Get Version...

Page 19: ...nce Repair Document Page 1 0 19 54 All rights reserved Transfer copy use or communication of this file is prohibited without authorization III Click the Upgrade button disconnect the USB cable then in...

Page 20: ...Level 2 enhance Repair Document Page 1 0 20 54 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Note During the download progress a warning wind...

Page 21: ...ithout authorization If the phone has been rooted it means that the phone is out of warranty End users need to pay to upgrade otherwise click No to exit the upgrade 5 Disassembly and assembly 4017 5 1...

Page 22: ...without authorization 5 3 Disassembly process The steps of disassembly 4017 are as below This module should only be disassembled from bottom to top Step 1 Remove battery cover and battery and then tak...

Page 23: ...54 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 3 Disconnect the TP FPC LCD FPC camera side key and take off the screw which is near the...

Page 24: ...pair Document TCLCommunication Ltd Rev 4017A_D_E_F_X_S Level 2 enhance Repair Document Page 1 0 24 54 All rights reserved Transfer copy use or communication of this file is prohibited without authoriz...

Page 25: ...use or communication of this file is prohibited without authorization Step 4 Remove MIC and Speaker with tweezers Step 5 Remove speaker and vibrator by using soldering iron Temperature Lead free techn...

Page 26: ...Document Page 1 0 26 54 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 6 Disassemble TP and LCD 1 Please use hot wind gun to heat up touch...

Page 27: ...Transfer copy use or communication of this file is prohibited without authorization 2 Push the touch panel by using pry bar 3 Then swipe along the four edges of TP with plastic flake and separate TP...

Page 28: ...l rights reserved Transfer copy use or communication of this file is prohibited without authorization 4 Then swipe along the four edges of LCD with plastic flake and separate LCD from TP Please pay at...

Page 29: ...tic flake to separate the furnished frame from the furnished front casing 2 Be careful not to damage TP FPC and LCD FPC during disassembly process 3 Put all the spare parts on right position don t let...

Page 30: ...er are well installed firstly When assembling screws don t twist them too hard Before assembling battery cover please check whether there s any deformation or damage for the buckles if yes replace it...

Page 31: ...n Camera Rubber 2s Tweezers Class 1 Speaker 3s Tweezers Soldering iron Class 2 Vibrator 3s Tweezers Soldering iron Class 2 Touch Panel 40s Hot wind gun Pry bar Plastic Flake Class 2 Be careful for TP...

Page 32: ...pair Document TCLCommunication Ltd Rev 4017A_D_E_F_X_S Level 2 enhance Repair Document Page 1 0 32 54 All rights reserved Transfer copy use or communication of this file is prohibited without authoriz...

Page 33: ...ocument Page 1 0 33 54 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 7 Level 2 repair This chapter describes the Level 2 repair that can be do...

Page 34: ...ile is prohibited without authorization Charging failure Replace battery N N N Check whether the voltage of the battery is 0V and Charge for 15 minutes check whether battery is good C h e c k w h e t...

Page 35: ...authorization Power on failure Check whether power key FPC is damaged N Y Check whether power key connection is good Power on failure Replace PCBA Charge for 15 minutes check whether can power on Repl...

Page 36: ...munication of this file is prohibited without authorization Display failure Check whether the connection b e t w e e n LCD a n d LCD connector is good N N Check whether LCD connector is normal Y Check...

Page 37: ...or communication of this file is prohibited without authorization Vibrating function failure N Check whether contact of PCBA is clean Y Clean the contact of PCBA Y Y Replace PCBA Vibrating function f...

Page 38: ...ation of this file is prohibited without authorization Touch function failure Check whether the connection between TP and TP connector is good N Y Reassemble TP Y Y Replace PCBA Touch function failure...

Page 39: ...ed Transfer copy use or communication of this file is prohibited without authorization SIM card recognized failure Check whether the SIM card is good N N C h e c k w h e t h e r S I M c a r d connecto...

Page 40: ...ved Transfer copy use or communication of this file is prohibited without authorization TF card recognized failure Check whether the TF card is good Y Check whether the TF card connector is good Chang...

Page 41: ...amera is normal Y C h e c k w h e t h e r M a i n c a m e r a connector is normal N Reassemble main camera Replace main camera Reweld or replace Main camera connector Y Replace PCBA Main camera functi...

Page 42: ...ument TCLCommunication Ltd Rev 4017A_D_E_F_X_S Level 2 enhance Repair Document Page 1 0 42 54 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Ma...

Page 43: ...Time 8H Otherwise it may cause the PCBA blister easily when you heat part of the PCBA by using hot wind gun 2 Interchange method means using a new component to test the function in order to verify whe...

Page 44: ...ransfer copy use or communication of this file is prohibited without authorization Check whether the connection between LCD and PCBA is good N Y C h e c k w h e t h e r LCD i s normal interchange meth...

Page 45: ...s prohibited without authorization Check whether power key FPC is damaged N Y Check whether power key connection is good Power on failure Replace PCBA Charge for 15 minutes check whether can power on...

Page 46: ...r communication of this file is prohibited without authorization 8 2 3 TP function failure Check whether the connection between TP and PCBA is good N Y N Check whether TP is normal interchange method...

Page 47: ...ed without authorization 8 2 5 SIM card is not recognized Check whether the SIM card is well inserted N Y N Check whether Micro SIM is normal Reassemble SIM card Reweld or replace Micro SIM Replace ma...

Page 48: ...er copy use or communication of this file is prohibited without authorization 8 2 7 Main camera function failure Check whether the connection between main camera and PCBA is good N Reassemble main cam...

Page 49: ...py use or communication of this file is prohibited without authorization Check whether LED is normal N Reweld or replace LED Y Replace main PCBA N Reweld or replace VT901 Check whether VT901 is normal...

Page 50: ...301 is normal N Reweld or replace U301 Check whether charging indicator displays OK N Y N Replace new battery and check the charge function etc Check whether battery is normal such as volt etc Y Check...

Page 51: ...nication of this file is prohibited without authorization Check whether J0501 is normal N Reweld or replace J0501 Check whether headset is normal interchange method N Y Replace headset Replace main PC...

Page 52: ...rohibited without authorization 8 3L2 enhance spare part list Pixi4 4 3G 4017A spare part list You can also check the latest SPL from our CSS website https css tclmobile cn 9 PCBA exchange If Level 2...

Page 53: ...chnical Level and software version 10 Other component exchange The other components exchange such as 6 Main Camera 7 Front Camera 8 MIC 9 Speaker 10 Vibrator 11 Other related mechanical components Ple...

Page 54: ...Test During the function test the following items must be checked and validated 1 Cosmetic aspect of the handset 2 The Software Technical sticker state on the Board 3 Switch on the handset 4 Default...

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