a63 l1&l2 service manual.pdf
TRANSCRIPT
![Page 1: A63 L1&L2 Service Manual.pdf](https://reader034.vdocuments.net/reader034/viewer/2022042522/563db779550346aa9a8b5ee6/html5/thumbnails/1.jpg)
Micromax (A63) L2
service manual
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content
1、 Product introduce..………..p3-p4
2、 Disassembly guide ……….p5-p17
3、Structure parts diagram…..p18
4、 Repairing guide …………...p19-p29
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Product introduce
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Product introduce
Model :
Product size:124×65.5×11.9mm
Platform:MTK6572,dual-core 1GHz
Memory: 4GB+512MB (Nand&sdram+RAM)
System:Android 4.2
Frequency band: WCDMA:2100,GSM:900/1800MHz
Battery: 1500mAh
charger: Travel charger
USB cable: MICRO 5PIN
earphone: 3.5jack
LCD&TP: 3.97 WVGA TN, 480*800, Capacitance TP
Camera:0.3M and 2.0M CMOS
Support:BT2.1,WIFI,FM,NTC。
Support:3D graphics accelerator,accelerator 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,as the Fig. 1
Fig. 1
Disassembly guide
Battery
cover
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3. Back caver disassembly
1) Unscrew 10 screws in back cover ,as the Fig.2;
Fig. 2
Disassembly guide
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8Fig. 3
2) Disassemble back cover with Tommy bar ,as the Fig.3;
Disassembly guide
Back
coverSPK
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4.Main board and front cover disassembly
1)The main components of distribution,as the fig.4;
Fig.4
Disassembly guide
Earphoe
con.
SIM con.
LCD con.
Main PCBABattery con.
T card
con.
TP con.
Back CAM.
USB con.
Front
CAM con.
MIC
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2)remove two screws and open the LCD con.& TP con. ,and remove the
volume key FPC & power key FPC as the fig.5;
10Fig.5
Disassembly guide
TPcon.
LCDcon.
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3) Disassemble the main board.as the FIG.6
11Fig.6
Disassembly guide
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5. Front and Back camera & Flash FPC & Side key FPC & MIC &Camera
bracket disassembly
1)disassembly the Camera bracket ,as the fig.7;
Fig.7
Disassembly guide
Camera
bracket
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Disassembly guide5. Front and Back camera & Flash FPC & Side key FPC & MIC &Camera
bracket disassembly
2)disassembly the Front and Back camera & Flash FPC & Side key FPC &
MIC ,as the fig.8;
Fig.8
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14Fig.9
remove the Speaker and receiver and Vibration,as the FIG.9;
6. Speaker & receiver & Vibration disassembly
Disassembly guide
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Structure parts diagram
3in1 module
(LCD, TP & front cover
Back
cover
Battery
cover
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Structure parts diagram
Main
PCBA
Vibration
back
camera
front camera
receiver
Power FPC
MIC
Camera
bracket
Flash FPC
Volume FPC
SPK
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Repairing guide
1. LCDa. 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
Back Camera
connector
Front 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
MIC con.
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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
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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
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End
Q&A