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TCL Alcatel Pixi4-3.5 3G, Руководство по ремонту

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L2E Repair Document 

                    

TCL

 Communication Ltd.

 

                     

Rev. 

4017A_D_E_F_X_S Level 2 enhance Repair Document 

Page 

1.0 

50/54 

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

 

Check whether USB cable 

is normal

N

Replace 

USB cable

Y

Y

Check whether U301 is 

normal

N

Reweld or replace 
U301

C h e c k   w h e t h e r   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 whether battery 
connector is normal

N

Reweld or replace 
battery connector

Replace main PCBA

Y

 

8.2.12 USB is not recognized 

Check whether USB cable 

is normal

N

Replace 

USB cable

Y

Y

Check whether MICROUSB 

is normal

N

Reweld or replace 
MICROUSB

Replace main PCBA

 

8.2.14 Headset failure 

Содержание Alcatel Pixi4-3.5 3G

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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