Alcatel Mk20x Technical manual

L2 Repair Document TCLCommunication Ltd.

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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.

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Draft creation

Peter ye

Rev.

Date

Modification description

Prepared By

Checked By

Approved By

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Content

1Level 2 repair process ..............................................................................................4

2Warranty Check and Visual Inspection ...................................................................4

2.1 Warranty confirmation of L1.....................................................................................4

2.2 Visual mechanical check..........................................................................................5

3Battery........................................................................................................................5

3.1 Battery information...................................................................................................5

3.2 WARNING OF BATTERY disassembling..................................................................6

4Software download ...................................................................................................7

5Disassembly 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

6Disassembly Complete...........................................................................................18

7Level 2 repair...........................................................................................................19

8PCBA exchange.......................................................................................................22

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1 Level 2 repair process

Please refer to <L2 repair process> in support (CSS/RSH) website for 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 was detected by humidity sensitive label.

2). Position of humidity sensitive sticker.

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2.2 Visual mechanical check

Please refer to <Visual mechanical check> in support (CSS/RSH) website for details.

3Battery

3.1 Battery information

1) Battery picture

2) Battery feature

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3) Battery life

The bellowing table shows the nominal battery life respectively in standby and talking

mode. These typical values are expressed in normal temperature with battery initially full

charged and under good ratio coverage. Battery range depends on the network

characteristics, the ambient temperature and particularly on movement.

GPS Tracker

Power pack

MK20

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 charging

a short time.

If the battery is deeply discharged, battery icon will appear after charging several

minutes and accompany with a slight sound.

3.2 WARNING OF BATTERY disassembling

Potential for fire or burning. Do not puncture, crush, or heat the battery. Strictly avoid using

sharp tool to pry up battery.

Model

Element

Capacity

Battery Li

Lithium

470mAh

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Fire extinguisher is needed for emergency.

The battery can be reused when you disassemble it.

4 Software download

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 the icon to open the tool.

2. Click the file and select “MTK_AllInOne_DA.bin ”in the package tool file.

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3.select the correct SW related to device CU，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 “start ll”，then connect the device to PC.

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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.

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8. Download successfully

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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

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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.

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Step2: Take off the screws on the back cover to spare the USB connector.

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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.

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Step5: release the battery connectors and pull the PCBA out of the Frame.

Press the buckles to

spare the PCBA

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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.

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5.4 Disassembly Notice

1). Receiver is easily to be damaged during disassembly process. Thus please do not

disassemble receiver unless it is necessary.

2). About battery disassemble notice:

The 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 vitiated or stained for each spare part) after disassembly.

5.5 Reassembly process

Please make reference to the disassembly process for assembly reverse an order of the disassembly

steps.

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5.6 Disassembly process evaluation

We list the MK20 parts disassembly time, technique levels and disassembly methods as below, for

technique levels, Class 1 signifies easy to disassembly, Class 2 signifies normal to disassembly and Class

3 signifies hard to disassembly.

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 Disassembly Complete

Below table lists MK20 L2 spare parts, which is just for reference.

NOTE: The SPL here is just for reference. Actual Spare Part List depends on the CU reference. Please

check with RSH webshop or Forlog system for the spare part list of specific CU.

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7 Level 2 repair

This chapter describes the Level 2 repair that can be done without any diagnostic equipment.

Charging failure

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Replace battery

N

Check whether the voltage of the

battery is 0V and Charge for 15

minutes, check whether battery is

good.

Che c k whe t her b a tter y

connector is good

Check whether USB

connector is normal Reweld or replace

USB connector

replace b a t t e r y

connector

Y

Charging failure

Y

Replace PCBA

Alcatel MK20X Technical manual

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