Alcatel MK20U Repair Document Download

Page: 1 / 23

L2 Repair Document

TCL

Communication Ltd.

Rev.

MK20

Level 2 Repair Document

Page

1.0

1/23

GPS Tracker

MK20X/U

Note:

this manual can be modified without prior notice on the characteristics of described

equipment. Please download from Support website for the latest versions.

Summary of Contents for MK20U

Page 1: ...3 All rights reserved Transfer copy use or communication of this file is prohibited without authorization GPS Tracker MK20X U Note this manual can be modified without prior notice on the characteristics of described equipment Please download from Support website for the latest versions ...

Page 2: ... MK20 Level 2 Repair Document Page 1 0 2 23 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 1 0 Draft creation Peter ye Rev Date Modification description Prepared By Checked By Approved By ...

Page 3: ...and Visual Inspection 4 2 1 Warranty confirmation of L1 4 2 2 Visual mechanical check 5 3 Battery 5 3 1 Battery information 5 3 2 WARNING OF BATTERY disassembling 6 4 Software download 7 5 Disassembly and assembly MK20 11 5 1 ESD Safety 11 5 2 Disassembly tool 11 5 3 Disassembly process 11 5 4 Disassembly Notice 17 5 5 Reassembly process 17 5 6 Disassembly process evaluation 18 6 Disassembly Compl...

Page 4: ...details 2 Warranty Check and Visual Inspection 2 1 Warranty confirmation of L1 1 Check the warranty status of the product on Proof Of Purchase POP Check the manufacturing date Using the date code on commercial product label and match it with the date code matrix hereafter Humidity sensitive label If humidity sensitive label is not good the cell phone will be considered as out of guarantee 1 Liquid...

Page 5: ... 23 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 2 2 Visual mechanical check Please refer to Visual mechanical check in support CSS RSH website for details 3 Battery 3 1 Battery information 1 Battery picture 2 Battery feature ...

Page 6: ... Standby time hours Power pack Lithium Update data every 10min 3days app default mode Update data every 5min 2days 4 Battery charge time For a normally discharged battery which has not been stored for long time the charge time listed as below table Battery type RF standby mode Typical Charge time Soft pack within 4hours Note If the battery is new charge it before use Battery icon will appear after...

Page 7: ...wnload The minimum requirements to perform a software download are as follow 1 Product with Fully charged battery 2 PC with below configurations CPU Pentium 1 6Ghz or 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 refer below process to download the SW 1 Double click ...

Page 8: ... E P if GPS Tracker CU is MK20X 2AALEU0 downloads the EU version SW in CSS web 4 You have to set first COM port it allows 15 ports upgrading simultaneously So make sure the device port is within the 15 ports E P the device port is 45 you can set the first port from 31 to 45 5 You have to know the device port The port comes out only for 3S make sure the device is power off Click set all and click s...

Page 9: ...ent Page 1 0 9 23 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 6 If there isn t port coming out delete all the files in backup and backup_and_restore_dat 7 If the selected SW doesn t match the CU result as below ...

Page 10: ...ir Document TCLCommunication Ltd Rev MK20 Level 2 Repair Document Page 1 0 10 23 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 8 Download successfully ...

Page 11: ...ohibited without authorization 5 Disassembly and assembly MK20 5 1 ESD Safety Please wear static loop or static glove 5 2 Disassembly tool You may use the following tools during the disassembly and reassembly procedure 5 3 Disassembly process The steps of disassembly MK20 are as below Plastic Flake Tweezers Screwdriver TORX6 Pry bar Hot wind gun Soldering iron ...

Page 12: ... 23 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step1 Take off the 6 screws 2 different screws in different colors on the GPS Take off the back cover by using plastic flake Please note that there is a PFC connecting with PCBA ...

Page 13: ...ation Ltd Rev MK20 Level 2 Repair Document Page 1 0 13 23 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step2 Take off the screws on the back cover to spare the USB connector ...

Page 14: ...Page 1 0 14 23 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step3 Take off the screw FPC connector on the PCBA to spare the front casing Step4 Take off the antenna by tweezers remove the key FPC from furnished frame ...

Page 15: ...Level 2 Repair Document Page 1 0 15 23 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step5 release the battery connectors and pull the PCBA out of the Frame Press the buckles to spare the PCBA ...

Page 16: ...6 23 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 6 Remove battery by the plastic stick Step7 take off the Silicon Rubber by tweezers Step 8 Disassemble complete Note All the components listed below are spare parts for L2 ...

Page 17: ...e battery can t be reused when you disassemble it Improper operation on battery will cause high risk for fire or burning Thus 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 t let all the spare parts mixed and put on the clean place to avoid vitiat...

Page 18: ...sembly Spare part Time for disassembly Jigs for disassembly Difficulty Class Remark Back Casing Assembly 6s Plastic flake Class 1 LED KEY Furnished FPC 9s Plastic flake Class 1 Main Antenna 5s Tweezers Plastic Flake Class 1 Main PCBA 5s Plastic Flake Class 1 Battery Cabinet Assembly 3s Plastic Flake Class 1 LI Polymer Battery 5s Tweezers Class 1 SIM Card Cover Assy 4s Tweezers Class 1 6 Disassembl...

Page 19: ...epair Document Page 1 0 19 23 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 done without any diagnostic equipment Charging failure ...

Page 20: ...ile is prohibited 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 connector is good Check whether USB connector is normal Reweld or replace USB connector replace battery connector Y Y Y Charging failure Y Replace PCBA ...

Page 21: ...Transfer 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 is good Re assemble or change SIM card Re weld or change PCBA Y Replace PCBA Y SIM card can t be recognized Y ...

Page 22: ...nector Y Check whether battery status is good N Replace it with a new battery Y 8 PCBA exchange For L2 repair center if Level 2 repair does not solve the failure it is mandatory to change the PCBA and follow the process as below 1 Collect 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 ass...

Page 23: ...e 1 0 23 23 All rights reserved Transfer copy use or communication of this file is prohibited without authorization If you have any question or problem please feel free to contact us Thanks for your cooperation TCL Communication Ltd Global Customer Service TS Dept Jun 3rd 2016 ...

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