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6. Sub PCBA disassembly 

Open label,then open the Main FPC &  RF cable and sub PCBA 

Disassembly guide 

main FPC 

 

Содержание PAP5453DUO

Страница 1: ...PAP5453DUO service manual...

Страница 2: ...2 content 1 Product introduce p3 p4 2 Disassembly guide p5 p18 3 Repairing guide p19 p30...

Страница 3: ...3 Product introduce...

Страница 4: ...Frequency band WCDMA 900 2100MHz GSM 900 1800MHz Battery 1700mAh charger Travel charger USB cable MICRO 5PIN earphone 3 5jack LCD TP 4 5QHD IPS resolution 540 960 Capacitance TP Camera 8 0M and 2 0M C...

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 Disassembly guide Battery cover...

Страница 7: ...7 3 Back caver disassembly 1 Unscrew 11 screws in back cover Disassembly guide...

Страница 8: ...8 2 Disassemble back cover with Tommy bar Disassembly guide Speaker Back cover...

Страница 9: ...and front cover disassembly 1 The main components of distribution Disassembly guide vibrator T card con RF cable Sub PCBA USB con Back CAM Earphoe con Front CAM TP con LCD con SIM con Main FPC Main PC...

Страница 10: ...2 remove 2 screws and open the LCD con TP con Back camera CON and Power key FPC 10 Disassembly guide LCDcon TPcon...

Страница 11: ...3 open the main board and remove the RF cable con And Main FPC con 11 Disassembly guide RF cable con Main FPC con...

Страница 12: ...remove the Front camera and Back camera 12 5 camera disassembly Disassembly guide Front cam CON Back cam...

Страница 13: ...13 6 Sub PCBA disassembly Open label then open the Main FPC RF cable and sub PCBA Disassembly guide main FPC...

Страница 14: ...14 7 Main FPC and RF cable disassembly remove the main FPC and RF cable and MIC from the sub PCBA Disassembly guide Main FPC RF cable MIC...

Страница 15: ...15 Fig 11 remove the receiver and speaker as the FIG 11 8 receiver and Light sensor rubber sleeve speaker disassembly Disassembly guide Light sensor Rubber sleeve receiver Speaker...

Страница 16: ...16 Fig 8 9 Power key FPC and the vibrator disassembly remove the Power keyFPC and the vibrator with the iron as the fig 8 Disassembly guide Vibrator Volume key FPC Power Key FPC...

Страница 17: ...17 3in1 module LCD TP front cover Back cover Battery cover...

Страница 18: ...18 Main PCBA Sub PCBA vibrator SPK Volume key FPC Power key FPC Main FPC Front camera Back camera RF cable receiver light sensor rubber sleeve...

Страница 19: ...o 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 o...

Страница 20: ...sing 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 aroun...

Страница 21: ...de 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 conn...

Страница 22: ...hecking 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 Re...

Страница 23: ...nel 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...

Страница 24: ...he 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 24 6 MIC and Vibrator Repairing guide Vibra...

Страница 25: ...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 25 7 Earphone Repairing guid...

Страница 26: ...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 26 8 No Power On Repairing guide Power On con...

Страница 27: ...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 27 9 No charging Repairing guide USB Connector...

Страница 28: ...a Checking the connector of T card and SIM card b Change the connector of T card and SIM card 28 10 No SIM card and No memory card Repairing guide T card connector SIM Connector...

Страница 29: ...a Checking RF line if that is broken b Checking RF line assemble if is ok 29 11 Signal Repairing guide Sub board RF connector RF connector...

Страница 30: ...End Q A...

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