PAP5453DUO service manual file4 Product introduce Model : Product size: Platform: MT6582M,...
Transcript of PAP5453DUO service manual file4 Product introduce Model : Product size: Platform: MT6582M,...
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PAP5453DUO
service manual
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content
1、 Product introduce..………..p3-p4
2、 Disassembly guide ……….p5-p18
3、 Repairing guide …………...p19-p30
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Product introduce
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Product introduce
Model :
Product size:
Platform: MT6582M, Quad-Core 1.3GHz
Memory: 8GB+1GB (Nand&sdram+RAM)
System: Android 4.4
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 CMOS
Support:GPS, BT4.0,WIFI,OTG, FM。
Support:3D graphics accelerator,accelerator sensor, distance sensor, light feeling sensor。
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Hot gun
Tweezer
Solder iron
Tommy bar
Cross Screw driver
1. Tools list
Tweezer /Cross screw driver/ Solder/Tommy bar/hot gun
Disassembly guide
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2. Battery caver disassembly
open the battery cover
Disassembly guide
Battery
cover
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3. Back caver disassembly 1) Unscrew 11 screws in back cover
Disassembly guide
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2) Disassemble back cover with Tommy bar Disassembly guide
Speaker Back
cover
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4.Main board 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
PCBA
Battery
con.
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2)remove 2 screws and open the LCD con.& TP con. & Back camera CON.
and Power key FPC
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Disassembly guide
LCDcon.
TPcon.
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3)open the main board and remove the RF cable con. And Main FPC con.
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Disassembly guide
RF cable con.
Main FPC con.
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remove the Front camera and Back camera
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5. camera disassembly Disassembly guide
Front cam.
CON.
Back cam.
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6. Sub PCBA disassembly
Open label,then open the Main FPC & RF cable and sub PCBA
Disassembly guide
main FPC
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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
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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
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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
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3in1 module
(LCD, TP & front
cover
Back
cover Battery
cover
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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
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Repairing guide
1. LCD a. Check if the SW is correct, otherwise 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
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2. Camera
a. Checking the camera is assemble ok, re-assemble the camera and test;
b. 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
Front Camera
connector
Back Camera
connector
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3. TP
a. Checking the SW and upgrade 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
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4.Ring
a. 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
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5.receiver
a. Checking the shrapnel 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
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a. Checking 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.
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6.MIC and Vibrator
Repairing guide
Vibrator CON.
MIC
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a. Checking 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.
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7. Earphone
Repairing guide
earphone
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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.;
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8.No Power On
Repairing guide
Power On con.
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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.
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9.No charging
Repairing guide
USB Connector
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a. Checking the connector of T –card and SIM card;
b. Change the connector of T –card and SIM card;
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10.No SIM card and No memory card
Repairing guide
T-card
connector SIM
Connector
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a. Checking RF line if that is broken;
b. Checking RF line assemble if is ok;
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11.Signal
Repairing guide
Sub-board RF
connector
RF connector
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End
Q&A