Alcatel MTAG351 User Manual
By NCK Team
L2 Repair Document TCT Mobile Limited
AT01
MTAG351
Note: this manual is non-contractual and TCT Mobile Limited can modify it without prior notice the
characteristics of described equipments.
Rev.
1.0 1/26
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MTAG351 Level 2 Repair Document
Page
By NCK Team
L2 Repair Document TCT Mobile Limited
1.0 2012-06-19 First Launch Shichuan
Rev. Date Modification description Prepared By Checked By Approved By
Rev.
1.0 2/26
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MTAG351 Level 2 Repair Document
Page
By NCK Team
L2 Repair Document TCT Mobile Limited
Content
1. Level 2 repair process .............................................................................................. 4
2. Warranty Check and Visual Inspection ................................................................... 5
2.1. Warranty confirmation of L1: ................................................................................... 5
2.2. Visual mechanical check: ......................................................................................... 5
3. Pretest ........................................................................................................................ 6
4. software update ......................................................................................................... 9
5. Disassembly and assembly .................................................................................... 13
5.1. Disassembly tool ..................................................................................................... 13
5.2. Disassembly process.............................................................................................. 14
5.3. Assembly Process .................................................................................................. 20
6. Disassembly process evaluation ........................................................................... 20
7. Level 2 repair ........................................................................................................... 21
8. PCBA Exchange ...................................................................................................... 22
9. Other component exchange ................................................................................... 22
10. Commercial label marking (MEID sticker) ............................................................. 22
10.1. Blank label size .................................................................................................... 22
10.2. Samples for commercial label ............................................................................ 23
11. Tools ......................................................................................................................... 23
12. Package Requirement ............................................................................................. 24
Rev.
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MTAG351 Level 2 Repair Document
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By NCK Team
L2 Repair Document TCT Mobile Limited
1. Level 2 repair process
Rev.
1.0 4/26
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MTAG351 Level 2 Repair Document
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By NCK Team
L2 Repair Document TCT Mobile Limited
2. Warranty Check and Visual Inspection
2.1. Warranty confirmation of L1:
1) MEID label check:
a) The MEID number must be the same with the one on the MEID label. If not, it’s out of warranty
policy
b) MEID label should not be
Removed
Scratched
Unreadable
Un-approved or un-provided by Alcatel.
2) Humidity sticker: Liquid detection on humidity sticker.
2.2. Visual mechanical check:
1) Corrosion
Corrosion on the USB connector, SIM connector, and other metal surface
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.
Rev.
1.0 5/26
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MTAG351 Level 2 Repair Document
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L2 Repair Document TCT Mobile Limited
6) Broken
Touch broken, casing/cover broken, etc.
7) Dropped
Keypad torn, 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, lost of components
Use in abnormal environment like high temperature cause plastic melts
3. Pretest
1) Check that the SIM card is set correctly.
2) Insert the battery.
3) Power on the cell phone.
4) If the cell phone can not power on, visually check the condition of the battery connector. Replace it if
necessary..
5) If the cell phone asks to input NCK code, which means it is SIM locked, and can only be worked with
dedicated SIM card. Use the correct SIM card.
6) Enter the phone code if necessary.
7) If power on, test step by step with the auto test code:
8) Press *01763*366# in dial screen and select “AUTO” or “MANU” to start testing
LCD test.
i. Screen will display Red/Green/Blue three color bars.
ii. Select “Pass” to continue.
iii. Screen will turn black.
iv. Select “Pass” to continue.
v. Screen will display with gray bars ,the back light become week from bottom to top.
vi. Select “Pass” to continue.
vii. Screen will display white backlight.
viii. Select “Pass” to continue.
Battery temperature test.
i. Screen display OK and the temperature.
ii. Select “Pass” to continue.
Keypad test.
i. Press hard key(Vol up & Vol down Home) or touch icon (Menu &Search&Back), the icon on
Rev.
1.0 6/26
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MTAG351 Level 2 Repair Document
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By NCK Team
L2 Repair Document TCT Mobile Limited
the screen will disappear.
ii. Select “Pass” to continue.
Camera LED test.
i. The LED beside the main camera will turn on.
ii. Select “Pass” to continue.
LCD backlight test.
i. LCD backlight will flash with three times.
ii. Select “Pass” to continue.
Key backlight test.
i. Touch key backlight will flash with three times.
ii. Select “Pass” to continue
Front camera test.
i. Scenery capture by front camera will display on the screen.
ii. Select “Pass” to continue
Vibrator test.
i. Vibrator with vibrating.
ii. Select “Pass” to continue after vibrating stopped.
Main camera test
i. Scenery capture by main camera will display on the screen.
ii. Select “Pass” to continue
Receiver test.
i. Screen will display “Receiver discrete test” and handset will sound di-di-di-di.
ii. Select “Pass” to continue
Speaker test.
i. Melody can be heard.
ii. Select “Pass” to continue.
Mic-Receiver loop test.
i. Talk to the handset and your sound should be heard
ii. Select “Pass” to continue.
Rev.
1.0 7/26
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MTAG351 Level 2 Repair Document
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