Alcatel OneTouch Go Play Technical manual

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Go Play
7048X/A
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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1.3 2015-11-11 Update the reassemble process for
refurbish Wilson li Minfeng.Chen
1.2 2015-10-16 Add air leak test ,update air hole foam Wilson li Minfeng.Chen
1.0 2015-8-24 Draft creation Wilson li Minfeng.Chen
Rev. Date Modification description Prepared By Checked By Approved By

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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..........................................................................................6
2.3Pretest........................................................................................................................9
2.4Battery Test .............................................................................................................17
3Software download .................................................................................................20
3.1 Equipments requested when download.................................................................20
3.2 Tool installation........................................................................................................21
3.3 SW download process.............................................................................................22
3.4 Download Mode........................................................................................................26
4 Disassembly and assembly........................................................................................27
4.1 ESD Safety................................................................................................................27
4.2 Disassembly tool......................................................................................................27
4.3 Disassembly process...............................................................................................28
4.4Reassembly Process ..............................................................................................44
4.5Disassembly process evaluation...........................................................................82
5Disassembly Complete...........................................................................................84
6Level 2 repair...........................................................................................................87
7PCBA exchange.......................................................................................................88
8Other component exchange...................................................................................88
9Function Test...........................................................................................................89
APPENDIX 1 Packaging Requirements ........................................................................90

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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
Warranty check flow reference
Out of Warranty note:
(1) Case: Due to Appearance defect;
(2) Case: Due to Customer with inadvertent use;
IMEI check:
1) If IMEI sicker (commercial label) is lost but the phone can be power on, input enter “*#06#” for IMEI
code, or “*#2886#” at dial mode and then select “MANU” and “TRACABILITY” to check IMEI, CU-

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REF, PTM, etc.
2) If the phone can’t power on, please read data code by using Sugar tool. Please refer to SW
download process for details.
3) 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.
4) You can check the IMEI that engraved in the SIM tray as:
2.2Visual mechanical check
Mechanical warranties check items:
1) Corrosion
Corrosion on the USB connector, SIM connector, TF 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

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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
Keypad tears 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
Visual inspection example (Main face and sub face):
Check
items
Parts Referencepicture
Crack Touchwindow；
Camerawindow;
Bump PlasticSurface;
Edge;

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Distortion Plasticframe;
SIMcover；
Damage SIM/SDcover；
Rubber;
Sealfoam;
Speakermesh;
UVglueonScrew
LDI (Humidity sticker) Inspect:
Checkitems Referencepicture
Humiditysticker
discoloration
Corrosionwater
stain

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2.3 Pretest
1) Check that the SIM card is set correctly.
2) Power on the cell phone.
3) If the cell phone cannot power on, visually check the condition of USB connector. Or charge the
phone at least 20 minutes.
4) 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.
5) Enter the phone code if necessary.
6) Enter auto test in power off mode:
7) If power on, test step by step with the auto test code:
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 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.
Traceability
I. You can get some basic information such as IMEI, PTM, PTS, CU Ref, and “PASS” to get
Date Code for reference.
II. Press “Pass” to continue.
Raw Data
I. Do not touch the screen until it displays “PASS”.

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II. Press “Pass” to continue.
Touch Panel
I. Please draw on the horizontal and vertical yellow area, then it will pass the test
automatically if it functions 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 color if it functions well;
X. Press “Pass” to continue
Keyboard
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.

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LCD backlight
I. The screen backlight will be flashing if it functions well;
II. Press “Pass” to continue.
KEY backlight
I. The keypad backlight will be flashing if it functions well;
II. Press “Pass” to continue.
Front Camera
Press “Pass” to continue if the front camera functions well
Main Camera
Press “Pass” to continue if the main camera functions well.
Camera Led
I. The Camera Led will be on if it functions well;
II. Press “Pass” to continue.
Charge Led
I. The Charge Led will be on red if it functions well;
II. Press “Pass” to continue;
III. The charge Led will be on green if it functions well;
IV. Press “Pass” to continue;
Audio

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I. You will hear a voice prompt which introduces some emergency call numbers from receiver
if it functions well;
II. Press “Pass” to continue;
III. You will hear a voice prompt which introduces some emergency call numbers from
speaker if it functions well;
IV. Press “Pass” to continue;
V. Put the handset near your ear and make a noise near the MIC on the bottom, then you
will hear it from receiver if it functions well;
VI. Press “Pass” to continue.
VII. Put the handset near your ear and make a noise near the MIC on the top, then you will
hear it from receiver if it functions well;
VIII. Press “Pass” to continue.
Vibrator
I. You can feel the phone’s vibrating if it functions well;
II. Press “Pass” to continue.
Barometer Sensor
I. It will display the information of pressure and altitude
II. Press “Pass” to continue;
Memory card
I. Insert SD card and the phone will detect it if it functions well;

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II. Press “Pass” to continue.
Accessory
I. Insert headset according to the instruction and you will hear a voice prompt which
introduces some emergency call numbers through the headset left if it functions well;
II. Press “Pass” to continue;
III. You will hear a voice prompt which introduces some emergency call numbers through the
headset right if it functions well;
IV. Press “Pass” to continue;
V. Make a noise near the headset’s mic and you will hear it from headset if it functions well;
VI. Remove the headset then it will pass the test automatically
FM
I. Insert headset,you will hear FM playing and FM frequency will be displayed on the screen
if it functions well;
II. Press “Pass” to continue;
III. Remove headset according to instruction and it will display “Remove headset OK.” if it
functions well;
IV.Press “Pass” to continue.
Charging & USB
I. Insert USB cable according to instruction, it will detect it and say “Charger: OK; USB: OK” if
it functions well;

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II. Press “Pass” to continue.
G-sensor
I. Put the handset face up and towards up according to instruction;
II. Press “Pass” to continue;
III. Put the handset “face up”, “face down”, towards “down”, “left” and “right” according to
instruction, then it will say “All positions checked.” if it functions well;
IV. Press “Pass” to continue.
E-compass
I. Move the phone in an 8 shape;
II. Press “pass” to continue;
Light Sensor
I. The value of the “ambient light” will change according to the phone’s movement, and it
will say “dark: OK” “bright: OK” if it functions well;
II. Press “Pass” to continue;
Proximity Sensor
I. Please shadow the sensor according to instruction, then it will say “far: OK; near: OK” if it
functions well;
II. Press “Pass” to continue.
SIM

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I. Insert SIM card and the phone will detect it if it functions well;
II. Press “Pass” to continue.
Battery temperature
I. It will display the value of battery temperature, battery content, current 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
I. It will search for WIFI hotspot and it will display searched result on the screen if it functions
well;
II. Press “Pass” to continue.
GPS
I. It will run GPS and search for satellite, and then it will display info such as “PRN”, “SUR”,
etc. on the screen if it functions well;
II. Press ”Pass” to continue;
Software Partion
You will get the information of software version
CALLING

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You will hear a voice prompt which introduces some emergency call numbers if functions well;
Hardware Info
You will get the information of hardware;
Battery level
You will get the value of current battery level
Firmware
I. It will show the information of TP.
II. Press ”Pass” to continue;
Efuse check
It will show the information mobile efuse and TCT dump.
TV Link
I. It will display the nearby TV link if it functions well;
II. Press “Pass” to continue;
(* notice: this item may be supported according to different code name definition, refer to
actual software setting.)
HDCP Key Check*;
I. It will show OK if HDCP key right.
II. Press ”Pass” to continue;
(* notice: this item may be supported according to different code name definition, refer to
actual software setting.)

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NpiDwnCheck
It will show “NPI_Down status: ok” if it functions well.
Factory Reset
Press the “reset” then the phone will reboot, then reset the parameter of the phone;
2.4Battery Test
2.4.1 Battery
1) Battery picture
2) Battery feature
Model Element Capacity
Battery Li Lithium 2500mAh

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3) Battery charge time
For a normally discharged battery which has not been stored for long time, the charge time
listed as below table.
Mode Typical Charge time
Power pack Lithium 3.5h
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.
2.4.2 Charging Process
1) Table 2.1 describes the various events related to a standard charger connected to a cell phone.
Go Play (7048X_A)
Cell phone status before
charger connected ON OFF
During charging
Display lights up and following battery icon displayed:
Sequential icon flashing:

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After charging
(charger connected)
Following fixed battery icon display :
Table 2.1 Battery charge status on handset
2) If the display does not light on or battery icon does not flash when the charger or the cell phone’s
charge function is defective with mechanical or electronics.
In this case:
Replace the charger to charge.
Confirm it works correctly or not.
If it cannot work correctly after change charger
3) For a normally discharged battery (with not a long time of storage), charging time listed on below table
Battery Typical Charge Time
Lithium 3.5h
4) Battery specification
Cell model ICP435573L1
Pack model TLp025A2
Nominal voltage 3.80V
Battery capacity 2500mAh (Minimum)

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Fully charged battery is discharged with current
0.2C from 4.35V to 3.00V
Charge Charge method CC - CV (Constant current - Constant voltage)
Current 0.5C(Standard) 1.0C(Rapid)
Limited voltage and
Operating temp.
4.35V(0~45°C)
4.10V(45~50°C)
Discharge Current 0.2C(Standard) 0.5C(Max)
Cut-off voltage 3.00V
Operating temp. -20~+60°C
Storage at different temperature Storage temp. Storage
term
Recovery
capacity
-20~+60°C 1 month Refer to note*1
-20~+45°C 3 months
-20~+20°C 1 year
Initial impedance PACK≤150 mΩ
Shipment voltage 3.8～3.93V
Storage relative humidity 65±20%
Note*1: The capacity recovery rate should be more than 80% under the shipment status.
3 Software download
It is authorized to download software for the handset which needs to be updated. This
downloading tool is called “Sugar Qct”. Handset Software can be downloaded from TS
website via it. Thus internet access is necessary. TS Website: https://css.tclmobile.cn/.
3.1 Equipments requested when download
⑴A handset with full power;
⑵PC with windows system;
⑶A USB cable.