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TCL alcatel Pixi4-7 4G BELL, Repair Document

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Page: 12 / 41

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L2E Repair Document

TCL

Communication Ltd.

Rev.

9015B

Level 2E Repair Document

Page

1.0

12/41

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

Step 5: Remove MIC rubber, Antenna and sub board.

Step6: Remove the main LCD with pry bar.

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Summary of Contents for alcatel Pixi4-7 4G BELL

Page 1: ...1 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Pixi4 7 4G BELL 9015B Note this manual can be modified without prior notice on the characteris...

Page 2: ...vel 2E Repair Document Page 1 0 2 41 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 1 0 2 Sep 2016 Draft creation Peter Hanson Rev Date Modific...

Page 3: ...ttery information 6 3 2 WARNING OF BATTERY disassembling 7 4 Software download 8 5 Disassembly and assembly 9003X 8 5 1 ESD Safety 8 5 2 Disassembly tool 8 5 3 Disassembly process 9 5 4 Disassembly No...

Page 4: ...on the handset enter Settings About tablet Status IMEI information 2 Input 06 on the dial mode 3 There two IMEI sticker positions on the device Position 1 in the back casing Position 2 in the SD slot...

Page 5: ...edicated SIM card Use the correct SIM card 4 Enter the phone code if necessary 5 If power on test step by step with the auto test code or using Smart Diagnosis Tool to proceed with the test a Using au...

Page 6: ...of this file is prohibited without authorization b Using Smart Diagnosis Tool to proceed with the test For detail instruction of test with Smart Diagnosis Tool please refer to Smart Diagnosis Manual i...

Page 7: ...ork Power pack Lithium 1000hours 5Hours 3G 10Hours 2G Pmin minimum transmission power DTX no transmission during period of silence 4 Battery charge time For a normally discharged battery which has not...

Page 8: ...which needs to be updated This downloading tool is called Sugar MTK_SP V3 3 5 Handset Software can be downloaded from TS website via it Thus internet access is necessary TS Website https css tclmobile...

Page 9: ...Page 1 0 9 41 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 5 3 Disassembly process The steps of disassembly 9015B are as below Step1 Take off...

Page 10: ...Repair Document Page 1 0 10 41 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step2 Take off the 14 rews on the teblet Step3 Disconnect the si...

Page 11: ...TCLCommunication Ltd Rev 9015B Level 2E Repair Document Page 1 0 11 41 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step4 Pry up the PCBA wit...

Page 12: ...Rev 9015B Level 2E Repair Document Page 1 0 12 41 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 5 Remove MIC rubber Antenna and sub boar...

Page 13: ...is prohibited without authorization Step 7 Disassemble complete Note All the components listed below are spare parts for L2 All the connectors could be disassembled by hot wind gun hot wind gun temper...

Page 14: ...L2E Repair Document TCLCommunication Ltd Rev 9015B Level 2E Repair Document Page 1 0 14 41 All rights reserved Transfer copy use or communication of this file is prohibited without authorization...

Page 15: ...please follow up the battery disassembly guidance strictly and pay high attention to the WARNING part Do not disassemble battery unless it is necessary 3 Put all the spare parts on right position don...

Page 16: ...sembly Difficulty Class Remark Furnished battery cover 6s Plastic flake Class 2 Screws 9s Screwdriver Class 1 Main PCBA 15s Tweezers Plastic Flake Class 2 Main camera 2s Screwdriver Plastic Flake Clas...

Page 17: ...L2E Repair Document TCLCommunication Ltd Rev 9015B Level 2E Repair Document Page 1 0 17 41 All rights reserved Transfer copy use or communication of this file is prohibited without authorization...

Page 18: ...Repair Document Page 1 0 18 41 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 c...

Page 19: ...rohibited without authorization 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 h e r b a t t e r y conne...

Page 20: ...f this file is prohibited without authorization 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 whether LCD is n o r m a l...

Page 21: ...s prohibited without authorization Check whether the connection between TP and TP connector is good N Y Reassemble TP Y Y Replace PCBA Touch function failure Y N Change FURFRONT CASING TP C h e c k w...

Page 22: ...er copy use or communication of this file is prohibited without authorization 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 connector is good Re assemble or change SIM c...

Page 23: ...fer copy use or communication of this file is prohibited without authorization Check whether the TF card is good N Check whether the TF card connector is good Change TF card Replace PCBA Y T F c a r d...

Page 24: ...this file is prohibited without authorization Check whether the connection between main camera and Main camera connector is good N Y N Check whether main camera is normal Y Check whether Main camera c...

Page 25: ...hout authorization Sub camera function failure Check whether the connection between sub camera and sub camera connector is good N Y N Check whether sub camera is normal Y C h e c k w h e t h e r s u b...

Page 26: ...e the Level 2 repair can t solve the problem For L2E repair center please proceed with L2E repair process in L2E repair center For L2 repair center please exchange the PCBA 8 L2 Enhance repair Before...

Page 27: ...verify whether the old component is defected 3 Please use hot wind gun to re weld or disassemble assemble the component mentioned afterwards hot wind gun temperature 330 Air Level 2 3 Height around 1...

Page 28: ...power on charge D202 Zener Diode Can t power on U203 LED Driver No back light L201 L202 Power Inductor Can t power on L207 Power Inductor No back light L208 Power Inductor No LCD display FL606 7 8 9...

Page 29: ...bited without authorization C h e c k w h e t h e r t h e connection between LCD and J125 is good N Y Check whether LCD is normal interchange method N Reassemble LCD Change LCD Replace Main PCBA Check...

Page 30: ...Check whether battery connector is normal N R e a s s e m b l e o r replace side key Replace new battery and check the charge function etc Reweld or replace battery connector Check whether battery is...

Page 31: ...copy use or communication of this file is prohibited without authorization 8 3 3 TP function failure Check whether the connection between TP connector is good N Y N Check whether TP is normal intercha...

Page 32: ...hibited without authorization 8 3 4 No sound Check whether side key is good N Y N Y C h e c k w h e t h e r VR460 VR461 is normal N Reassemble or replace side key R e w e l d o r r e p l a c e J753 J7...

Page 33: ...ation 8 3 5 SIM card can t be recognized Check whether the SIM card is well inserted N Y N Check whether SIM connector is normal Reassemble SIM card Reweld or replaceSIM connector Replace main PCBA Y...

Page 34: ...nication of this file is prohibited without authorization 8 3 7 Main camera function failure Check whether the connection between main camera and J701 is good N Reassemble main camera Y Check whether...

Page 35: ...ation of this file is prohibited without authorization 8 3 8 Front camera function failure Check whether the connection between front camera and J702 is good N Y Reassemble front camera Y Check whethe...

Page 36: ...USB connector is normal N Reweld or replace USB connector Check whether charging indicator displays OK N Y N Replace new battery and check the charge function etc Check whether battery is normal such...

Page 37: ...zation 8 3 11 Headset failure Check whether audio Jack is normal N Reweld or replace audio Jack Check whether headset is normal interchange method N Y Replace headset Replace main PCBA Y 8 3 13 G sens...

Page 38: ...rization 8 3 15 FM defect Replace main PCBA Check whether U501 is normal N Reweld or replace U501 Y 8 4L2 enhance spare part list Below table lists 9015B L2E spare parts which is just for reference NO...

Page 39: ...L2E Repair Document TCLCommunication Ltd Rev 9015B Level 2E Repair Document Page 1 0 39 41 All rights reserved Transfer copy use or communication of this file is prohibited without authorization...

Page 40: ...llect the PCBA without accessories LCD and camera MIC should be enclosed when you exchange the PCBA 2 Get a new PCBA from the swap stock Reuse those accessories to assemble the mobile 3 Fill in the re...

Page 41: ...ing 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 welcome message 5 Open Calculator applica...

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