background image

16 

Fig.12 

8. Sub PCBA disassembly 

 remove two screws and the sub PCBA and Support for GSM antenna 

from the 

as the fig.12

 

 

Disassembly guide 

Sub PCBA 

vibrator 

 

Содержание A111

Страница 1: ...A111 Level 2 service manual ...

Страница 2: ...2 content 1 Product introduce p3 p4 2 Disassembly guide p5 p19 3 Structure parts diagram p20 4 Repairing guide p21 p31 ...

Страница 3: ...3 Product introduce ...

Страница 4: ...equency band WCDMA 2100MHz GSM 900 1800MHz Battery 2100mAh charger Travel charger USB cable MICRO 5PIN earphone 3 5jack LCD TP 5 3 FWVGA TN resolution 960 540 Capacitance TP Glove touch multi point touch 5 point Camera 1 2M and 8 0M CMOS Support GPS BT2 1 WIFI FM Support 3D graphics accelerator accelerator sensor distance sensor light feeling sensor ...

Страница 5: ...5 Hot gun Tweezer Solder iron Tommy bar Cross Screw driver 1 Tools list Tweezer Cross screw driver Solder Tommy bar hot gun Disassembly guide ...

Страница 6: ...6 2 Battery caver disassembly open the battery cover as the Fig 1 Fig 1 Disassembly guide Battery cover ...

Страница 7: ...7 3 Back caver disassembly 1 Unscrew 7 screws in back cover as the Fig 2 Fig 2 Disassembly guide ...

Страница 8: ...8 Fig 3 2 Disassemble back cover with Tommy bar as the Fig 3 Disassembly guide Back cover ...

Страница 9: ...1 The main components of distribution as the fig 4 Fig 4 Disassembly guide 800M CAM USB con Earphoe con Main PCBA TP con LCD con SIM con T card con Battery con RF cable Main FPC Sub PCBA vibrator Light Sensor con Speaker Support for GSM antenna ...

Страница 10: ...2 remove two screws and open the LCD con TP con as the fig 5 10 Fig 5 Disassembly guide LCDcon TPcon ...

Страница 11: ...3 remove the volume key FPC power key FPC as the FIG 6 11 Fig 6 Disassembly guide Volume key FPC Power key FPC ...

Страница 12: ...4 open the main board and remove the RF cable con And main FPC con as the FIG 7 12 Fig 7 Disassembly guide RF cable con Main FPC con ...

Страница 13: ...remove the light sensor and 1 2M camera and 8M camera as the fig 8 13 5 3M camera light sensor disassembly Fig 8 Disassembly guide Light sensor con Support For Light sensor Light sensor FPC 1 2M cam ...

Страница 14: ...14 Fig 9 6 Power key FPC volume key FPC disassembly remove the power key FPC and volume key FPC with the iron as the fig 9 Disassembly guide Power key FPC Volume key FPC ...

Страница 15: ...15 Fig 10 remove the receiver and speaker as the FIG 10 7 receiver and speaker disassembly Disassembly guide Speaker receiver ...

Страница 16: ...16 Fig 12 8 Sub PCBA disassembly remove two screws and the sub PCBA and Support for GSM antenna from the as the fig 12 Disassembly guide Sub PCBA vibrator ...

Страница 17: ...17 Fig 11 9 RF cable Main FPC disassembly Remove the RF cable and main FPC as the fig 11 Disassembly guide RF cable con main FPC con main FPC RF cable ...

Страница 18: ...18 Fig 13 10 MIC vibrator disassembly Remove MIC as the fig 13 Disassembly guide MIC CON MIC ...

Страница 19: ...3in1 module LCD TP front cover Back cover Battery cover Main FPC RF cable Main PCBA Sub PCBA 1 2M camera 8M camera SPK Light sensor receiver Sensor holder Support for GSM antenna Volume key FPC Power Key FPC Power Key Volume Key ...

Страница 20: ...to upgrade the SW b Check the LCD if is ok otherwise change a new LCD c If that the LCD loose re assemble the LCD and test d Checking the LCD connector if is ok otherwise re solder it or change a new one e Checking the circuit around the LCD connector LCD connector ...

Страница 21: ...Using the good camera to do cross test it can check if the camera is ok c Checking the camera connector if is ok as below picture otherwise to re solder or change a new one d Checking the circuit around the camera connector Repairing guide Back Camera connector Front Camera connector ...

Страница 22: ...ade the SW b Checking the FPC of TP and re assemble it c Using the good TP to do cross test d Checking the TP connector otherwise re solder or change a new one e Checking the circuit around the TP connector Repairing guide TP Connector ...

Страница 23: ...Checking the shrapnel of speaker if is ok b Checking the resistance of speaker if is ok otherwise to change a new one c Checking the FPC if is ok d Checking SPK FPC if connector with sub board is ok Repairing guide ...

Страница 24: ...pnel of receiver if is ok b Checking the resistance of receiver if is ok otherwise to change a new one c Checking the connector point on the main board if is ok as below picture c Checking the receiver circuit if is ok Repairing guide ...

Страница 25: ...king the MIC and Vibrator is cold soldering re solder it b Change the MIC and Vibrator c Checking the circuit of MIC and Vibrator d Checking the FPC if connect ok 25 6 MIC and Vibrator Repairing guide MIC CON ...

Страница 26: ... the shrapnel of earphone if is ok b Checking the connector point on the main board if is ok as below picture c Change earphone connector c Checking the circuit of earphone 26 7 Earphone Repairing guide earphone ...

Страница 27: ...a Checking the voltage of battery if is 3 8 4 2V and connect ok b Upgrade the SW b Checking the power on key and circuit around it 27 8 No Power On Repairing guide Power On ...

Страница 28: ...a Checking the voltage of battery if is over 3 4V b Checking the charger and USB cable if is ok c Checking the USB connector and circuit if is ok 28 9 No charging Repairing guide USB Connector ...

Страница 29: ...a Checking the connector of T card and SIM card b Change the connector of T card and SIM card 29 10 No SIM card and No memory card Repairing guide T card connector SIM Connector 2 SIM Connector 1 ...

Страница 30: ...a Checking RF line if that is broken b Checking RF line assemble if is ok 30 11 Signal Repairing guide RF connector Sub board RF connector ...

Страница 31: ...End ...

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