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TCL ELSA6 5085A, Repair Document

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L2E  Repair  Document 

                     

TCL

 Communication Ltd.

 

                     

Rev. 

5085Y/D/A/B/J/Q/I/N/H

 

 L2E Repair Document 

Page 

1.3 

20/58 

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

 

 

 

Pry up the main PCBA and remove it from 
Front Casing Underfilling Asm. 

 

 

 

 

 

 

 

 

 

 

 

Pry up the sub PCBA and remove it from 
Front Casing Underfilling Asm. 

 

 

 

 

 

 

 

 

 

Summary of Contents for ELSA6 5085A

Page 1: ...t TCLCommunication Ltd Rev 5085Y D A B J Q I N H L2E Repair Document Page 1 3 1 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization ELSA6 5085Y D...

Page 2: ...this manual can be modified without prior notice on the characteristics of described equipment Please download from Support website for the latest versions 1 3 2017 03 14 Add 5085H Xiaolong Yang Jane...

Page 3: ...anical check 5 2 3 Pretest 6 3 Software download 10 4 Disassembly and assembly 5085Y D A B J Q I N H 12 4 1 ESD Safety 12 4 2 Disassembly tool 12 4 3 Disassembly process 16 4 4 Disassembly Notice 26 4...

Page 4: ...4 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 1 L2E repair process Please refer to L2E repair process in support CSS RSH website for det...

Page 5: ...emove battery cover then you will see the IMEI sticker Please make sure that the IMEI number in the memory of the product is matching the IMEI on the IMEI sticker if not please consider the product ou...

Page 6: ...of this file is prohibited without authorization 2 3 Pretest 1 Check that the SIM card and SD card are inserted correctly 2 Power on the Product 3 If the product displays input NCK code this means the...

Page 7: ...Tool to proceed with the test a Using auto test code Enter 2886 at the dial mode and then you will see the interface displaying the SW version Select Auto to start the auto test or select MANU to do t...

Page 8: ...lead to smart cover test Music Cover I Connect Music Cover to phone II You will hear piece of record if it functions well III Press Pass to continue Light Cover I Connect Light cover to phone II You w...

Page 9: ...ery Voltage if it functions well III Press Pass to continue FINGER PRINT Optional 5085A Q B J I N support fingerprint function FINGER PRINT I It will test automatically and display FINGER PRINT PASS i...

Page 10: ...r above RAM 2GB or above Operation system Windows2000 XP Vista Windows 7 8 10 USB port Internet connection with minimum internet speed of 8Mb s 3 Downloading cable USB cable Please use the dedicated s...

Page 11: ...Repair Document TCLCommunication Ltd Rev 5085Y D A B J Q I N H L2E Repair Document Page 1 3 11 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorizati...

Page 12: ...Transfer copy use or communication of this file is prohibited without authorization 4 Disassembly and assembly 5085Y D A B J Q I N H 4 1 ESD Safety Please wear static loop or static glove 4 2 Disassem...

Page 13: ...ion Ltd Rev 5085Y D A B J Q I N H L2E Repair Document Page 1 3 13 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Screwdriver TORX6 normal sc...

Page 14: ...Repair Document TCLCommunication Ltd Rev 5085Y D A B J Q I N H L2E Repair Document Page 1 3 14 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorizati...

Page 15: ...Rev 5085Y D A B J Q I N H L2E Repair Document Page 1 3 15 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Anti static Tweezers Suction cup No...

Page 16: ...epair Document Page 1 3 16 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 4 3 Disassembly process The steps of disassembly 5085Y D A B J Q I...

Page 17: ...gf cm for all screws if use the Torque screw driver There are 2 kinds of screws as below Description Part number Qty Screw PM Machine 1 2 0 25 2 0 mm Flat Head 2 2 0 5mm type 0 With Thread Lock SWCH18...

Page 18: ...ir Document Page 1 3 18 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization II Remove the Main Antenna Support ASM by using plastic flake III Rem...

Page 19: ...ghts reserved Transfer copy use or communication of this file is prohibited without authorization IV Separate the Diversity Antenna Support ASM Main Antenna Support ASM and Furnished Frame from Front...

Page 20: ...epair Document Page 1 3 20 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Pry up the main PCBA and remove it from Front Casing Underfilling...

Page 21: ...5085Y D A B J Q I N H L2E Repair Document Page 1 3 21 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 5 I Pull the Battery PET accordin...

Page 22: ...J Q I N H L2E Repair Document Page 1 3 22 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Pull the Battery PET completely Remove the battery...

Page 23: ...semble battery unless it is necessary b Potential for fire or burning Do not puncture crush or heat the battery Strictly avoid using sharp tool to pry up battery Fire extinguisher is needed for emerge...

Page 24: ...D A B J Q I N H L2E Repair Document Page 1 3 24 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step7 Disconnect the Main Camera Disconnect...

Page 25: ...w are spare parts for L2 All the connectors could be disassembled by hot wind gun hot wind gun temperature 330 Air Level 2 3 Height around 10mm Time less than 60s Please use high temperature protect f...

Page 26: ...s 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 do...

Page 27: ...e screws up when reassemble the handset There will be at risk to damage the screen if lock the wrong screw Set the torques at 1 0kgf cm for all screws if use the Torque screw driver Note not to reuse...

Page 28: ...ersity Antenna Support 3s Plastic Flake Class 2 Main Antenna Support ASM 3s Plastic Flake Class 1 Furnished Frame 3s Plastic Flake Class 1 Main PCBA 10s Tweezers Class 2 RF cable line 3s Tweezers Clas...

Page 29: ...1 3 29 58 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 CU refe...

Page 30: ...L2E Repair Document Page 1 3 30 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 6 Level 2 repair This chapter describes the Level 2 repair t...

Page 31: ...check whether the charge indicator is normal C h e c k w h e t h e r b a t t e r y connector is good Reweld or replace battery connector Y Y Y N Charging failure Y Replace PCBA Check whether USB conn...

Page 32: ...this file is prohibited without authorization Display failure Check whether the connection between LCD and LCD connector is good N N Check whether LCD connector is normal Y Check whether LCD is n o r...

Page 33: ...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 Y N Change TP Fro...

Page 34: ...ransfer copy use or communication of this file is prohibited without authorization SIM card can t be recognized 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 i...

Page 35: ...ts reserved Transfer copy use or communication of this file is prohibited without authorization TF card can t be recognized Check whether the TF card is good N Check whether the TF card connector is g...

Page 36: ...is prohibited without authorization Main camera function failure Check whether the connection between main camera and Main camera connector is good N Y N Check whether main camera is normal Y Check w...

Page 37: ...prohibited without 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...

Page 38: ...ld or Replace side key spring N N Reweld or Replace battery connector Y Check whether battery status is good N Replace it with a new battery Y Check whether the connection between battery and battery...

Page 39: ...py use or communication of this file is prohibited without authorization 7 L2E repair Before performing the following troubleshooting operations please make sure the software of the device is in good...

Page 40: ...air Document TCLCommunication Ltd Rev 5085Y D A B J Q I N H L2E Repair Document Page 1 3 40 58 All rights reserved Transfer copy use or communication of this file is prohibited without authorization S...

Page 41: ...ure 105 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 ve...

Page 42: ...rohibited without authorization 7 2 1 Display failure C h e c k w h e t h e r t h e connection between LCD FPC and J0901 is good N Y Check whether LCD is n o r m a l i n t e r c h a n g e method N Y C...

Page 43: ...eweld or Replace battery connector J0601 Y Check whether battery status is good N Replace it with a new battery Y Check whether the connection between battery and battery connector is good N Reassembl...

Page 44: ...ation of this file is prohibited without authorization 7 2 3 TP function failure Check whether the connection between TP and J0902 is good N Y N Check whether TP is normal interchange method Y Check w...

Page 45: ...s u b PCBA is good Replace sub PCBA N Check whether main mic M0102 is normal Y Reweld or replace M0102 N Reweld or replace J0102 or J0704 Check whether J0102 or J0704 is normal Y Y N Reassemble Main S...

Page 46: ...or J0704 is normal Y Y N Reassemble Main Sub board Furnished FPC Check whether the connection between sub PCBA and main PCBA is good Y Replace Main PCBA Check whether U0501 is normal N Reweld or repla...

Page 47: ...r replace J0102 or J0704 Check whether J0102 or J0704 is normal Y Y N Reassemble Main Sub board Furnished FPC Check whether the connection between sub PCBA and main PCBA is good Y Replace Main PCBA Ch...

Page 48: ...r copy use or communication of this file is prohibited without authorization 7 2 7 SIM card is not recognized Check whether the SIM card is well inserted N Y N Check whether J0701 or J0702 is normal R...

Page 49: ...ed Transfer copy use or communication of this file is prohibited without authorization 7 2 8 TF card is not recognized Check whether the TF card is well inserted N Y N Check whether J0703 is normal Re...

Page 50: ...in camera function failure Check whether the connection between main camera and J1001 is good N Y Reassemble main camera Y Check whether main camera is normal interchange method N Change main camera C...

Page 51: ...Check whether front camera is normal interchange method N Change front camera Check whether J1002 is normal N R e w e l d o r r e p l a c e J1002 Y N Check whether front flash spring is normal Y Rewel...

Page 52: ...01 is normal Reweld or replace C0601 or D0601 Y Y Y N Charging failure Y Check whether J0102 or J0704 is normal Reweld or replace J0102 or J0704 Y N Check whether the connection between main PCBA and...

Page 53: ...Reassemble Main Sub board Furnished FPC Check whether the connection between main PCBA and Sub PCBA Main Sub board Furnished FPC is good Reweld or replace J0102 or J0704 N Y N Replace sub PCBA Check...

Page 54: ...ed without authorization 7 2 13 Ambient Light Proximity Sensor function failure N Reweld or replace U0803 Check whether U0803 is normal Y Replace PCBA Y Check whether U0501 is normal N Reweld or repla...

Page 55: ...is good Reweld or replace J0102 or J0704 N Y N Replace sub PCBA Check whether sub PCBA is normal Check whether J0102 or J0704 is normal Y Y Replace PCBA Y Check whether U0501 is normal N Reweld or re...

Page 56: ...Replace PCBA Y Check whether U1201 is normal N Reweld or replace U1201 Y Check whether Diversity Antenna Support is normal N Replace Diversity Antenna Support N Reassemble Diversity Antenna Support C...

Page 57: ...Please check with RSH webshop or Forlog system for the spare part list of specific CU 8 PCBA exchange For L2E repair center if Level 2E repair does not solve the failure it is mandatory to change the...

Page 58: ...the packaging requirement mentioned in TN14011 10 Functional test During the function test the following items must be checked and validated 1 Cosmetic aspect of the handset 2 The Software Technical...

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