TCL Alcatel PIXI3-7 KD Technical manual

L2 Repair Document TCLCommunication Ltd.
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PIXI3-7 KD
8058/8059/8053
Note: this manual is non-contractual and TCL Communication Ltd. can modify it without prior
notice on the characteristics of described equipments.

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2016-4-27
Add model 8053
Mani Lee
1.0
2015-6-16
Draft creation
Mani Lee
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 ...................................................................5
2.1 Warranty confirmation of L1.....................................................................................5
2.2 Visual mechanical check..........................................................................................5
2.3 Pretest........................................................................................................................6
3Battery......................................................................................................................10
3.1 Battery information ..................................................................................................10
3.2 Battery test................................................................................................................11
3.3 Battery specifications.............................................................................................12
4Software download .................................................................................................13
4.1 Equipments requested when download：............................................................13
4.2 SW download process.............................................................................................13
5 Disassembly and assembly ONE TOUCH 8058 .......................................................21
5.1 ESD Safety................................................................................................................21
5.2 Disassembly tool......................................................................................................21
5.3 Disassembly process...............................................................................................22
5.4 Reassembly Process ..............................................................................................29
5.5 Disassembly process evaluation...........................................................................29
6 Disassembly Complete..............................................................................................30
7 Level 2 repair..............................................................................................................31
8PCBA exchange.......................................................................................................32
9Other component exchange...................................................................................33
Function Test..................................................................................................................34

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1 Level 2 repair process
Reassembly
Record in BIG
End
OK
Retest
OK
OK
Start
Visual Inspection
Warranty Check
Pretest & Failure confirm
SW Upgrade
Disassembly
L2 Repair
Retest
Function test
PCBA Replace
NG
NG
NG
Restore User Information
Back up user data

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2 Warranty Check and Visual Inspection
2.1 Warranty confirmation of L1
S/N sticker check:
1) Power on the Tablet, accessing menu-> “Settings” -> “About Tablet” -> “Status”
2) If the S/N sticker in the back casing is not lost:
We should make sure that the S/N number MUST be the same with the one on the S/N sticker; if not,
it‟s out of warranty policy.
Humidity sensitive label
If humidity sensitive label is not good, the Tablet will be considered as out of guarantee.
1). Liquid was detected by humidity sensitive label.
2). Position of humidity sensitive sticker.
2.2 Visual mechanical check
Mechanical warranties check items:
1) Corrosion
Corrosion on the USB connector, SIM connector, and other metal surfaces。

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2) Hole (diameter > 1mm)
Holes on any surface, including the front casing, furnished frame, battery cover, touch Lens,
keypad…
3) Bump
Bumps (diameter > 1mm) on any surface, including front casing, decorate frame, battery
cover, touch Lens, keypad, etc.
4) Scratch
Scratches (length > 3mm) on any surface, including the front casing, 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
Tear off keypad , touch lens, connectors dropped, etc.
8) Gap
External physical damage relating to abnormal use, like front case and frame opened
9) Others
Damage caused by disassembly ,wrong part assembly, loss of components
Use in abnormal environment like high temperature causing plastic melts
2.3 Pretest
1) Insert the battery.
2) Power on the Tablet.
3) If the Tablet cannot power on, visually check the condition of the battery connector. Replace it if
necessary.
4) Enter the Tablet code if necessary.
5) Enter auto test in power off mode:
6) Press 0*0-0+= in Calculator screen and then you will see the interface displaying the SW
version. Select “Auto” to start the auto test, or select “MANU” to do the MMI test manually.

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If one of the test failed during “Auto” test mode, it will ask you “Restart?”, press “YES” to restart the
auto test from the first one and “NO” to exit the auto test, while “NEXT” to continue the auto test.
TRACABILITY
I. 1). “Auto” test mode: You can get some information such as PT, PFT, BW, MMI
and FT.
2). “MANU” mode: You can get information such as IMEI, CU-REF, PTH
(PTM), Data Code, BT address, etc.
II. Press “Pass” to continue.
TOUCH PANNEL
I. “Please draw on the yellow area”and it will show “TEST OK!”;
II. Press “Pass” to continue;
RAW DATA
Press”Pass”if the raw data function is well.
LCD
I. You will see the LCD display three colors: RED, GREEN and BLUE if it
functions well;
II. Press ”Pass”to continue.
III.You will see the LCD displays grey level if it functions well;
IV. Press “Pass” to continue;
V.You will see the LCD displays black if it functions well;
VI. Press “Pass” to continue;
VII. You will 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

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I. Press the key displayed on the screen. The key on the screen will darken when
you press it if it functions well;
II. Press “Pass” to continue.
LCD BACKLIGHAT
I. The screen backlight will be flashing ,meanwhile it will ask”Is screen Backlight
flashing?”
II. Press “Pass” to continue.
MAIN CAMERA
I. You will see the LCD displays the picture that back camera catch if it functions
well;
II. Press “Pass” to continue;
FRONT CAMERA
I. You will see the LCD displays the picture that front camera catch if it functions
well;
II. Press “Pass” to continue.
AUDIO
I. You will hear a some of voice record if it functions well;
II. Press ”Pass”to continue;
MIC
I. You can press”Start “and speak loudly to record the sound
II. Press “Stop and play”to hear what you said before
III.Press “Pass”if it functions well.
Accessories
I. You will hear one record in left discrete; Press ”Pass”to continue.
II. You will hear one record in right discrete; Press ”pass”to continue;
IV.Press””Start “and speak loudly to record the sound

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V. Press “Stop and play”to hear what you said before
VI.Press “Pass”if it functions well.
VII. Remove the headset if it functions well.
FM
I. You will hear the sound from on channel when you insert earphone if it
functions well;
II. Remove the earphone then press “Pass” to continue;
USB/ CHARGER
I. Insert USB cable according to instruction, then it will say “USB:OK
Charger :OK” ;
II. Remove USB cable according to instruction
III.Press “Pass” to continue;
G-SENSOR
Put the Tablet “towards up”, “face down”, “left”and “right”, towards “down”
according to instruction;
MEMORY CARD
I. Insert memory card according to instruction and the Tablet will detect it if it
functions well;
BATTERY TEMPERATURE
I. It will display “Temp range: 20~50”, “current is xxx” and the value of “Battery
content”/ “Battery Voltage” if it functions well;
II. Press ”Pass”to continue;
BLUETOOTH
I. Bluetooth will search automatically and it will display device address if it
functions well;
II. Press ”Pass”to continue;
WIFI

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I. It will search for WIFI hotspot and display searched result on the screen if it functions well;
II. Press ”Pass”to continue;
HDMI
I. Follow the guidance “Please connect the TV with HDMI cable”
II. Press “Pass” if it functions well.
BATTERY CTRL
I. It will display” The battery level should be 30~80％.” “Battery level is xxx％.,OK”
if it functions well.
II. Press ”Exit”to continue.
EXIT
You will display the Calculator screen [0*0-0+=] again, and the test is done.
3 Battery
3.1 Battery information
1) Battery picture