Tcl Idol4 s vf Technical manual

L2 Repair Document TCLCommunication Ltd.

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Idol4 S VF

VFD 900

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

2016/8/29

Update

Xiaolong Yang

1.1

2016/5/3

Update

Xiaolong Yang

1.0

2016/3/28

Draft creation

Xiaolong Yang

Rev.

Date

Modification description

Prepared By

Checked By

Approved By

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Content

1Level 2 repair process ..............................................................................................5

2Warranty Check and Visual Inspection ...................................................................6

2.1 Warranty confirmation of L1.....................................................................................6

2.2 Pretest........................................................................................................................8

3. Battery......................................................................................................................17

3.1 Battery information.................................................................................................17

3.2 Battery test ..............................................................................................................19

3.3 Battery specification...............................................................................................20

4. Software download .................................................................................................21

4.1 Equipments requested when download.................................................................21

4.2 Install driver..............................................................................................................21

4.3 SW download process.............................................................................................22

5 Disassembly and assembly VFD 900.......................................................................26

5.1 ESD Safety................................................................................................................26

5.2 Disassembly tool......................................................................................................26

5.3 Disassembly process...............................................................................................27

5.4. Reassembly Process ..............................................................................................43

5.5. Disassembly process evaluation...........................................................................51

5.6. Disassembly Complete...........................................................................................52

6Level 2 repair...........................................................................................................54

6.1 power on issue.........................................................................................................55

6.2 Charge issue.............................................................................................................56

6.3 Display issue ............................................................................................................57

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6.4 Vibrator issue ..........................................................................................................58

6.5 Touch panel issue...................................................................................................59

6.6 SIM recognize issue................................................................................................60

6.7 TF card recognized issue.......................................................................................61

6.8 Main camera issue ..................................................................................................62

6.9 Sub camera issue....................................................................................................63

6.10MIC issue .................................................................................................................64

6.11Speaker issue..........................................................................................................65

6.12USB connector issue..............................................................................................66

7PCBA exchange.......................................................................................................66

8Other component exchange...................................................................................67

9 Function Test...............................................................................................................67

APPENDIX 1 Packaging Requirements ........................................................................69

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1 Level 2 repair process

Reassembly

Record in BIG

End

OK

Retest

OK

Start

Visual Inspection

Warranty Check

Pretest & Failure confirm

SW Upgrade

Disassembly

L2 Repair

Retest

Function test

PCBA Replace

NG

Restore User Information

Back up user data

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2 Warranty Check and Visual Inspection

2.1 Warranty confirmation of L1

IMEI sticker check:

1) Power on the handset, enter *#06#

2) 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.

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.

Humidity sensitive sticker is near the SIM card tray.

Visual mechanical check

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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.

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

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9) Others

Damage caused by disassembly ,wrong part assembly, loss of components

Use in abnormal environment like high temperature causing plastic melts

2.2 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 cannot power on, visually check the condition of the battery connector. Replace

it if necessary.

5) 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.

6) Enter the phone code if necessary.

7) Enter auto test in power off mode:

8) 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 information such as IMEI, CU-REF, PTM, Date Code, etc.

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II. Press “Pass” to continue.

SMARTPA CAL

I. It will running the test automatically and show “TOP OK; BOTTOM OK; SmartPA Test

PASS” if it functions well;

II. Press “Pass” to continue.

SpeakBOX

I. It will run the test automatically and show “TOP OK; BOTTOM OK; SpeakerBox Test PASS”

if it functions well;

II. Press “Pass” to continue.

Finger Print

I. It will run the test automatically and show ”Test passed”if it function well；

II. Press “Pass”to continue.

Finger Print Enroll

I. Please touch and lift your finger on the sensor, it will show ”Quality: Good” if the function is

OK.

II. Press ”pass”to continue.

Raw Data

I. It will running the test automatically, don‟t touch the screen during test and it will show

“Pass” if it functions well;

II. Press “Pass” to continue.

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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 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

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

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I. The screen 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.

PDAF Camera

Press “Pass” to continue if the PDAF camera functions well.

Camera Led

I. Camera LED (front camera LED, main camera LED1& LED2) will turn on if it functions well;

II. Press “Pass” to continue.

Charge Led

I. The charge LED will turn on if it functions well;

II. Press “Pass” to continue.

Hall

I. Flip cover according to the instruction if it functions well;

II. Press “Pass” to continue.

Audio

I. You will hear a voice prompt which introduces some emergency call numbers from the top

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receiver if it functions well;

II. Press “Pass” to continue;

III. You will hear a voice prompt which introduces some emergency call numbers from the

bottom receiver if it functions well;

IV.Press “Pass” to continue;

V. You will hear a voice prompt which introduces some emergency call numbers from the top

speaker if it functions well;

VI.Press “Pass” to continue;

VII. You will hear a voice prompt which introduces some emergency call numbers from the

bottom speaker if it functions well;

VIII. Press “Pass” to continue;

IX. Make a noise near the MAIN MIC, you will hear it from the top receiver if it functions well;

X. Press “Pass” to continue;

XI. Make a noise near the SEC MIC, you will hear it from the bottom receiver if it functions

well;

XII. Press “Pass” to continue.

Vibrator

I. You can feel the phone‟s vibrating if it functions well;

II. Press “Pass” to continue.

NFC

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I. Close the NFC test card on battery cover and it will show “NFC: Detected; ID: xxxx” if it

functions well;

II. Press “Pass” to continue.

Memory Card

I. Insert SD card and the phone will detect it if it functions well;

II. Press “Pass” to continue.

USB/Charger

I. Insert USB cable according to instruction and it will say “USB cable checked”, “USB: OK”,

“Charger: OK”, “Current: xxx” if it functions well;

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 mic, you will hear it from headset if it functions well;

VI.Press “Pass” to continue;

VII. Remove headset according to the instruction and press “Pass” to continue.

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FM

I. Insert headset according to the instruction and 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 press “Pass” to continue.

G-Sensor

I. Put the handset towards up according to instruction;

II. Press “Pass” to continue;

III. Put the handset “FACE DOWN”, “DOWN”, “LEFT”, “RIGHT” and “FACE UP” according to

instruction, and then the instruction will disappear if it functions well;

IV.Press “Pass” to continue.

GyroScope

I. You can get some value such as Vx, Vy, Vz, dx, dy, dz if it functions well;

II. Press “Pass” to continue.

E-Compass

I. Please move the phone is an 8 shape according to the instruction;

II. Press “Pass” to continue;

III. The compass will always point north whatever the phone is put at which direction if it

functions well;

IV.Press “Pass” to continue.

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Light Sensor

I. It will show the value of ambient light and the value will change according to the phone‟s

environment (Bright or Dark), then it will say “dark: OK”, “bright: OK” if it functions well;

II. Press “Pass” to continue.

Proximity Sensor

I. Please shawdow the sensor according to instruction and it will say “near: OK”, “far: OK” if it

functions well;

II. Press “Pass” to continue.

PSensor RAW

I. Please shawdow the sensor and it will show the value of “PS RAW” if it functions well;

II. Press “Pass” to continue.

SIM

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, voltage, capacity rate and battery present 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;

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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”, “SNR”,

etc. on the screen if it functions well;

II. Press “Pass” to continue.

SoftwarePartion

I. It will show the phone‟s Image Mapping if it functions well;

II. Press “Pass” to continue.

Calling

I. You will hear a voice prompt which introduces some emergency call numbers if it functions

well;

II. Press “Hang up” to continue.

HardwareInfo

I. You will see the hardware information on the screen, such as the G-sensor, E-compass

and so on.

II. Press “Pass” to continue.

Battery Level

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I. You will see the percentage information and the charging information on the screen.

II. Press function key “Back” to quit the test.

Firmware

I. You will see the firmware information on the screen, such as TP.

II. Press “Pass” to continue.

Factory Reset

I. You will see the screen shows “This will eraser all data from your phone internal storage do

you want factory reset”;

II. Press “Pass” to continue.

3. Battery

3.1Battery information

1) Battery picture

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2) Battery feature

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.

Idol 4S VF Power

pack

VFD 900

Standby time - Paging 5

Voice talk time (Pmin with 50% DTX )

Power pack

Lithium

420hrs @ 2G/3G/4G

800 mins @2G

* Pmin: minimum transmission power

** DTX: no transmission during period of silence

4) 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

100mins

Note:

a) If the battery is new, charge it before use. Battery icon will appear after charging a short time.

b) If the battery is deeply discharged, battery icon will appear after charging several minutes and

accompany with a slight sound.

Model

Element

Capacity

Battery Li

Lithium

3000mAh

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3.2Battery test

1) Below table describes the various events related to a standard charger connected to a cell phone.

VFD 900

Cell phone status before

charger connected

ON

OFF

During charging

Display lights up and following battery icon displayed:

Sequential icon flashing:

After charging

(charger connected)

Following fixed battery icon display :

Table - 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:

a) Replace the charger to charge.

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Confirm it works correctly or not.

If it cannot work correctly after change charger.

b) Check the Charge connector on the cell phone.

If it is damaged, replace the cell phone.

3.3Battery specification

Cell model

CSL376776

Pack model

TLp030F1

Nominal voltage

3.84V

Battery capacity

3000mAh (Minimum)

Fully charged battery is discharged with current 0.2C

from 4.40V to 3.00V

Charge

Charge method

CC - CV (Constant current - Constant voltage)

Operating temp.

0～10°C

10～45°C

45～60°C

Current

0.2C(Standard)

0.5C(Max)

0.5C(Standard)

1C(Max)

0.2C(Standard)

0.5C(Max)

Limited voltage

4.40V

4.10V

Discharge

Current

0.2C(Standard)

1.5C(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

charge current at different voltage

<2.5V 0.2C

<3.2V 0.5C

Initial impedance

≤150 mΩ（@AC1kHz）

Shipment voltage

3.88～3.98V

Storage relative humidity

65±20%

Note*1: The capacity recovery rate should be more than 80% under the shipment status.

TCL Idol4 S VF Technical manual

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