TCL ALCATEL PIXI 4-5 4G Technical manual

L2 Repair Document TCLCommunication Ltd.
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Pixi4-5 4G
ALCATEL PIXI 4 (5)
5045X/D/A/J/G/T/Y
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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1.0
2015-03-14
Draft creation
Xiaolong Yang
Claire Lin
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...................................................................................................................6
2.3 Pretest...............................................................................................................................................7
3Software download .................................................................................................13
3.1 Equipments requested when download：......................................................................................13
3.2 Install driver.....................................................................................................................................14
3.3 SW download process....................................................................................................................16
4. Disassembly and assembly 5045...........................................................................24
4.1. ESD Safety......................................................................................................................................24
4.2. Disassembly tool.............................................................................................................................25
4.3. Disassembly process......................................................................................................................25
4.4. Reassembly Process......................................................................................................................34
4.5. Disassembly process evaluation ....................................................................................................35
5. Disassembly Complete...........................................................................................36
6. Level 2 repair...........................................................................................................36
6.1. power on issue.................................................................................................................................37
6.2. Charge issue....................................................................................................................................38
6.3. Display issue....................................................................................................................................39
6.4. Vibrator issue..................................................................................................................................40
6.5. Touch panel issue...........................................................................................................................41
6.6. SIM recognize issue........................................................................................................................42
6.7. TF card recognized issue................................................................................................................43
6.8. Main camera issue..........................................................................................................................44
6.9. Sub camera issue...........................................................................................................................45
6.10.MIC issue........................................................................................................................................46
6.11.Speaker issue..................................................................................................................................47
7. PCBA exchange.......................................................................................................47
8. Other component exchange...................................................................................48
9. Final test ..................................................................................................................48
APPENDIX 1 Packaging Requirements ........................................................................49

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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
1) IMEI sticker check:
a) Power on the handset, enter *#06#
b) 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
2) Humidity sensitive label
If humidity sensitive label is not good, the cell phone will be considered as out of guarantee.
a) Liquid was detection by humidity sensitive label
b) Position of humidity sensitive sticker.
Humidity sensitive sticker is on the furnished frame.

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2.2 Visual mechanical check
Mechanical warranties check items:
1) Corrosion
Corrosion on the USB connector, SIM connector, and other metal surfaces。
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.
Here is the
humidity sensitive
sticker.

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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 tear off, 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) Check that the SIM card is set correctly.
2) Power on the cell phone.
3) If the cell phone asks to input NCK code, this means it is SIM locked and can only be worked
with dedicated SIM card. Use the correct SIM card.
4) Enter the phone code if necessary.
5) After the phone power on, test step by step with the auto test code:

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Press *#2886# in dial 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.
If one of the tests failed during “Auto”test mode, it will show “Failed: XXX”, press “Next”to go on test,
press “END”to power off and press ”RTEST”to retest.
TRACEABILITY
I. (1) “Auto”test mode: You can get some information such as PT,PFT, BW, MMI, FT and
Data Code;
(2) “MANU”mode: You can get information such as IMEI, CU-REF, WIFI, BT address,
Data Code, etc.
II. Press “Pass” to continue.
TOUCH PANEL
I. “Please draw on the yellow area”according to instructions;
II. Press “Pass” to continue.
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 black if it functions well;
IV. Press “Pass” to continue;
V. You will see the LCD displays grey if it functions well;
VI. Press “Pass” to continue;

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VII. You will see the LCD displays grey level if it functions well;
VIII. Press “Pass” to continue;
IX. You will see the LCD displays white if it functions well;
X. Press “Pass” to continue.
KEYPAD
I. Press the key displayed on the screen. The key on the screen will turn grey when you
press it if it functions well;
II. Press “Pass” to continue.
LCD BACKLIGHT
I. The screen backlight will be flashing if it functions well;
II. Press “Pass” to continue.
MAIN CAMERA
Press “Pass”to continue if the main camera functions well.
FRONT CAMERA
Press “Pass”to continue if the front camera functions well.
MAIN FLASH
I. Main camera LED will turn on if it functions well;
II. Press “Pass”to continue.
FRONT FLASH

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I. Front camera LED will turn on if it functions well;
II. Press “Pass”to continue.
CHARGER LED
I. The charge LED will turn on if it functions well;
II. Press “Pass”to continue.
RECEIVER
I. You will hear a voice prompt which introduces some emergency call numbers from the
receiver if it functions well;
II. Press “PASS”to continue;
SPEAKER
I. You will hear a voice prompt which introduces some emergency call numbers from the
speaker if it functions well;
II. Press “Pass”to continue;
MIC
I. Make a noise near the main mic, you will hear it from the receiver if it functions well;
II. Press “Pass”to continue;
VIBRATOR
I. You can feel the phone’s vibrating if it functions well;
II. Press “Pass”to continue.