TCL Alcatel Neon Repair Enhance Document Download Page 57

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L2 Repair Enhance Document

TCL

Communication Ltd.

Rev.

Neon PRD62980/62981 L2 Enhance Repair Document

Page

1.0

57/69

7.2.3 Display issue

Check whether the connection
b e t w e e n LCD a n d LCD
connector is good

Reassemble LCD

Replace PCBA

Display failure

Check whether the J2501 is good

Reweld or replace

J2501

Summary of Contents for Alcatel Neon

Page 1: ...cument TCLCommunication Ltd Rev Neon PRD62980 62981 L2 Enhance Repair Document Page 1 0 1 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Neo...

Page 2: ...Transfer copy use or communication of this file is prohibited without authorization Note this manual is non contractual and TCL Communication Ltd can modify it without prior notice on the characteris...

Page 3: ...sassembly process 20 4 4 Disassembly process evaluation 34 5 Disassembly Complete 35 6 Level 2 repair 37 6 1 power on issue 40 6 2 Charge issue 41 6 3 Display issue 42 6 4 Vibrator issue 43 6 5 Touch...

Page 4: ...Enhance Repair Document Page 1 0 4 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 1 Level 2 repair process The user data will be clear in t...

Page 5: ...the handset enter 06 2 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...

Page 6: ...ing decorate frame battery cover touch Lens keypad etc 5 Distortion Bend twisted or crushed on the h s cover casing or connectors etc 6 Broken Touch broken casing cover broken etc 7 Dropped Keypad tea...

Page 7: ...test from the first one and NO to exit the auto test while NEXT to continue the auto test Traceability I You can get some information such as IMEI CU REF PTM Date Code etc II Press Pass to continue SM...

Page 8: ...see the LCD displays white if it functions well VIII Press Pass to continue IX You will see the LCD displays grey if it functions well X Press Pass to continue Keyboard I Press the key displayed on t...

Page 9: ...ue III You will hear a voice prompt which introduces some emergency call numbers from the bottom receiver if it functions well IV Press Pass to continue V You will hear a voice prompt which introduces...

Page 10: ...USB OK Charger OK Current xxx if it functions well II Press Pass to continue Accessory I Insert headset according to the instruction and you will hear a voice prompt which introduces some emergency c...

Page 11: ...well IV Press Pass to continue GyroScope I It will display BIST test OK and you can get some value such as Vx Vy Vz dx dy dz if it functions well II Press Pass to continue E Compass I Please move the...

Page 12: ...play ID information of battery and pass in default II Press PASS to continue Battery Temperature I It will display the value of battery temperature current battery voltage capacity rate and battery pr...

Page 13: ...n key Back to quit the test FIRMWARE I You will see the firmware information on the screen such as TP II Press Pass to continue GPS I It will run GPS and search for satellite and then it will display...

Page 14: ...is prohibited without authorization I 3 Software download Here is Engineering download tool guide for Kill switch is TBC It is authorized to download software for the handset which needs to be update...

Page 15: ...y use or communication of this file is prohibited without authorization A USB cable 3 2 Install of download Tool 1 get the Driver install Exe from TS Website https css tclmobile cn 2 press Power on vo...

Page 16: ...e or communication of this file is prohibited without authorization 3 3 SW download process I Power off the handset II press Power on volume down key at the same time then the phone entry the fastboot...

Page 17: ...D62980 62981 L2 Enhance Repair Document Page 1 0 17 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization II Click the Download download ongoing as...

Page 18: ...tion Ltd Rev Neon PRD62980 62981 L2 Enhance Repair Document Page 1 0 18 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 3 4Kill switch tool i...

Page 19: ...or communication of this file is prohibited without authorization 4 Disassembly and assembly PRD62980 4 1 ESD Safety Please wear static loop or static glove 4 2 Disassembly tool You may use the follow...

Page 20: ...t authorization Digital heating table 4 3 Disassembly process The steps of disassembly PRD62980 are as below Step1 Separate the SIM tray first then separate the back cover by using digital heating tab...

Page 21: ...ansfer copy use or communication of this file is prohibited without authorization Or you can heat the edge of back cover by the hot wing gun set the parameter 70 30S Upward the back cover with the sha...

Page 22: ...ommunication Ltd Rev Neon PRD62980 62981 L2 Enhance Repair Document Page 1 0 22 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Note Suggest...

Page 23: ...nce Repair Document Page 1 0 23 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step2 disconnect the 14 screws There are two kinds screw whic...

Page 24: ...Neon PRD62980 62981 L2 Enhance Repair Document Page 1 0 24 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Remove the steel disc with tweezer...

Page 25: ...pair Document Page 1 0 25 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 3 remove the Mylar and disconnect the connector of battery rem...

Page 26: ...cument Page 1 0 26 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization remove the RF cable before remove battery For this step you can refer to t...

Page 27: ...ument Page 1 0 27 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 4 disconnect the Audio module connector Volume key connector LCD conne...

Page 28: ...mmunication Ltd Rev Neon PRD62980 62981 L2 Enhance Repair Document Page 1 0 28 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 5 Remove...

Page 29: ...PRD62980 62981 L2 Enhance Repair Document Page 1 0 29 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 6 applying hot air into the Audio...

Page 30: ...2980 62981 L2 Enhance Repair Document Page 1 0 30 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization be careful in this step since the Audio jac...

Page 31: ...PRD62980 62981 L2 Enhance Repair Document Page 1 0 31 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 7 separate the vibrator by using t...

Page 32: ...Enhance Document TCLCommunication Ltd Rev Neon PRD62980 62981 L2 Enhance Repair Document Page 1 0 32 69 All rights reserved Transfer copy use or communication of this file is prohibited without autho...

Page 33: ...Enhance Document TCLCommunication Ltd Rev Neon PRD62980 62981 L2 Enhance Repair Document Page 1 0 33 69 All rights reserved Transfer copy use or communication of this file is prohibited without autho...

Page 34: ...on Step 8 Disassemble complete 4 4Disassembly process evaluation We list the Neon 62980 parts disassembly time technique levels and disassembly methods as below for technique levels Class 1 signifies...

Page 35: ...Plastic Flake Class 2 Antenna PCBA 5s Screwdriver Plastic Flake Class 1 Camera 2s Plastic Flake Class 1 Slide key FPC 3s Tweezers Class 1 Vibrator 3s Tweezers Soldering iron Class 1 Top Bottom Speake...

Page 36: ...t Page 1 0 36 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization NOTE The SPL here is just for reference Actual Spare Part List depends on the C...

Page 37: ...This chapter describes the Level 2 repair that can be done without any diagnostic equipment In case the Level 2 repair can t solve the problem or the PCBA is damaged exchange the PCBA Note as there i...

Page 38: ...epaired due to the ICs dispensed Item Name Description Partnumber Qty Remark 147 coaxial cable connect socket coaxial cable connect socket Over PCB 2 PINs 0 mm 2 0 2 0 WH1 18 mm W O POST W O DIP coaxi...

Page 39: ...2C1 1 not open in folog 155 BTB Connector Socket BTB Connector Socket Over PCB 10 PINs 0 35 mm 5 25 2 3 0 8 mm W O POST W O DIP N A BM24 10DS 2 0 35V 51 HRS ARC0100011C1 1 not open in folog 156 BTB Co...

Page 40: ...file is prohibited without authorization 6 1 power on issue Check whether power key FPC is damaged N Y Check whether power key connector is damaged Power on failure Replace PCBA Charge for 15 minutes...

Page 41: ...s file is prohibited without authorization 6 2 Charge issue 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...

Page 42: ...ce Repair Document Page 1 0 42 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 6 3 Display issue Check whether the connection b e t w e e n L...

Page 43: ...copy use or communication of this file is prohibited without authorization 6 4Vibrator issue N Check whether contact of PCBA is clean Y Clean the contact of PCBA Y Y Replace PCBA Vibrating function fa...

Page 44: ...Repair Document Page 1 0 44 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 6 5Touch panel issue Y Y Replace PCBA Touch function failure N C...

Page 45: ...eserved Transfer copy use or communication of this file is prohibited without authorization 6 6SIM recognize issue 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 46: ...served Transfer copy use or communication of this file is prohibited without authorization 6 7TF card recognized issue Check whether the TF card is good N Check whether the TF card connector is good C...

Page 47: ...this file is prohibited without authorization 6 8Main camera issue Check whether the connection between main camera and Main camera connector is good N Y N Check whether main camera is normal Y Check...

Page 48: ...s file is prohibited without authorization 6 9Sub camera issue 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...

Page 49: ...e Document TCLCommunication Ltd Rev Neon PRD62980 62981 L2 Enhance Repair Document Page 1 0 49 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorizatio...

Page 50: ...0 50 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 6 11 Speaker issue Check whether contact of PCBA is clean N Clean the contact of PCBA C...

Page 51: ...ector is normal N Reweld or replace USB connector Reweld or replace main FPC connector Y Charging failure Y Replace PCBA Y Y Check whether USB connector FPC is good or not N Reweld or replace main FPC...

Page 52: ...copy use or communication of this file is prohibited without authorization 7 Level 2 Enhance repair Before performing the following troubleshooting operations please make sure the software of the devi...

Page 53: ...cument TCLCommunication Ltd Rev Neon PRD62980 62981 L2 Enhance Repair Document Page 1 0 53 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Ba...

Page 54: ...tings for common failures NOTE 1 Because the PCBA will become damp after long time storage please use oven to bake the main PCBA firstly if it has been stored for more than 7days oven temperature 105...

Page 55: ...0mm Time less than 60s 4 Before rewelding or disassembling assembling the component DO remember to paste high temperature adhesive tape on the components which are close to it in order to avoid damagi...

Page 56: ...ation of this file is prohibited without authorization 7 2 2 Charge issue Replace battery N N Check whether the voltage of the battery is 0V and Charge for 15 minutes check whether battery is good Che...

Page 57: ...69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 7 2 3 Display issue Check whether the connection b e t w e e n LCD a n d LCD connector is goo...

Page 58: ...ransfer copy use or communication of this file is prohibited without authorization 7 2 4 SIM TF recognized issue 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...

Page 59: ...le is prohibited without authorization 7 2 5 Main camera issue Check whether the connection between main camera and Main camera connector is good N Y N Check whether main camera is normal Y Check whet...

Page 60: ...s prohibited without authorization 7 2 6 Sub camera issue 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...

Page 61: ...file is prohibited without authorization 7 2 7 MIC issue Check whether MIC is normal Reweld or replace MIC Y N If there is sub MIC please check whether connector J2501 is normal R e w e l d o r r e p...

Page 62: ...l Y N Y Check J2501 is normal N R e w e l d o r r e s o l d e r PD2501 PD2502 J2501 Y 7 3 Level 2 enhance spare part list 8 PCBA exchange If Level 2 repair does not solve the failure it is mandatory t...

Page 63: ...careful to handle the components with related special tool or jig especially replacing new components It is better to handle it with plastic tools plastic tweezers and wedge etc Besides operator must...

Page 64: ...on PRD62980 62981 L2 Enhance Repair Document Page 1 0 64 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 2 Smudge on PCBA such as soldering f...

Page 65: ...1 0 65 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 3 Symptom sticker high temperature adhesive or nonstandard label on PCBA Note a Nonst...

Page 66: ...6 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization b L2E label IMEI label and PCBA label are acceptable to be kept on PCBA only under the cond...

Page 67: ...dirty corrugated or broken and then clean the PCBA and make sure there s no residuum before return it to L3 PCBA label must be retained on PCBA no matter what the status even it is dirty corrugated or...

Page 68: ...rop around during transportation d Symptom list of all returned PCBAs is requested refer to below table Please send the electronic edition to all relevant receivers departments If possible put the har...

Page 69: ...Ltd Rev Neon PRD62980 62981 L2 Enhance Repair Document Page 1 0 69 69 All rights reserved Transfer copy use or communication of this file is prohibited without authorization TCL Communication Ltd Glo...

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