Related Manuals for Micromax A111
Summary of Contents for Micromax A111
- Page 1 A111 Level 2 service manual...
- Page 2 content 1、 Product introduce..………..p3-p4 2、 Disassembly guide ……….p5-p19 3、Structure parts diagram…..p20 4、 Repairing guide …………...p21-p31...
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Page 3: Product Introduce
Product introduce... - Page 4 Product introduce ： Model Product size： 147*77.2*9.9 Qualcomm MSM8225Q， Quad-Core 1.2GHz Platform： 4GB+512MB (Nand&sdram+RAM） Memory： Android 4.1 System： Frequency band: WCDMA：2100MHz，GSM：900/1800MHz Battery： 2100mAh Travel charger charger: MICRO 5PIN USB cable: 3.5jack earphone： 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，...
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Page 5: Disassembly Guide
Disassembly guide 1. Tools list Tweezer /Cross screw driver/ Solder/Tommy bar/hot gun Tommy bar Tweezer Cross Screw driver Solder iron Hot gun... - Page 6 Disassembly guide 2. Battery caver disassembly ， as the Fig. 1 open the battery cover Battery cover Fig. 1...
- Page 7 Disassembly guide 3. Back caver disassembly ，as the Fig.2； 1） Unscrew 7 screws in back cover Fig. 2...
- Page 8 Disassembly guide ，as the Fig.3； 2） Disassemble back cover with Tommy bar Back cover Fig. 3...
- Page 9 Disassembly guide 4.Main board and front cover disassembly ，as the fig.4； 1） The main components of distribution TP con. LCD con. SIM con. RF cable Sub PCBA Earphoe con. Speaker 800M CAM. Support for GSM USB con. antenna Light Sensor con.
- Page 10 Disassembly guide 2）remove two screws and open the LCD con.& TP con. ，as the fig.5； LCDcon. TPcon. Fig.5...
- Page 11 Disassembly guide 3）remove the volume key FPC & power key FPC, as the FIG. 6 Power key Volume key Fig.6...
- Page 12 Disassembly guide 4）open the main board and remove the RF cable con. And main FPC con..as the FIG.7 Main FPC con. RF cable con. Fig.7...
- Page 13 Disassembly guide 5. 3M camera & light sensor disassembly remove the light sensor and 1.2M camera and 8M camera ，as the fig.8； Light sensor con. Light sensor FPC Support For Light sensor 1.2M cam. Fig.8...
- Page 14 Disassembly guide 6.Power key FPC & volume key FPC disassembly remove the power key FPC and volume key FPC with the iron，as the fig.9； Power Volume key FPC key FPC Fig.9...
- Page 15 Disassembly guide 7. receiver and speaker disassembly remove the receiver and speaker，as the FIG.10； Speaker receiver Fig.10...
- Page 16 Disassembly guide 8. Sub PCBA disassembly remove two screws and the sub PCBA and Support for GSM antenna from the ，as the fig.12； Sub PCBA vibrator Fig.12...
- Page 17 Disassembly guide 9. RF cable 、Main FPC disassembly Remove the RF cable and main FPC ，as the fig.11 main FPC RF cable RF cable con. main FPC con. Fig.11...
- Page 18 Disassembly guide 10.MIC& vibrator disassembly Remove MIC，as the fig.13； MIC CON. Fig.13...
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Page 19: Structure Parts Diagram
Structure parts diagram Volume Main FPC key FPC Main Support RF cable PCBA PCBA Sensor for GSM Power Key camera antenna holder Power Light receiver Volume 1.2M Key FPC sensor camera Back cover Battery cover 3in1 module (LCD, TP & front cover... - Page 20 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.
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Page 21: Repairing Guide
Repairing guide 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;... - Page 22 Repairing guide 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.
- Page 23 Repairing guide 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.
- Page 24 Repairing guide 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;...
- Page 25 Repairing guide 6.MIC and Vibrator 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. MIC CON.
- Page 26 Repairing guide 7. Earphone 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. earphone...
- Page 27 Repairing guide 8.No Power On 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.; Power On...
- Page 28 Repairing guide 9.No charging 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. USB Connector...
- Page 29 Repairing guide 10.No SIM card and No memory card a. Checking the connector of T –card and SIM card; Change the connector of T –card and SIM card; T-card connector SIM Connector 1 Connector 2...
- Page 30 Repairing guide 11.Signal a. Checking RF line if that is broken; b. Checking RF line assemble if is ok; RF connector Sub-board RF connector...