Micromax A94 User manual

A94 service manual

content
• 1、 Product introduce..………..p3-p4
• 2、 Disassembly guide ……….p5-p17
• 3、Structure parts diagram…..p18
• 4、 Repairing guide …………...p19-p29

Product introduce

Product introduce
• Model ：A94
• Product size：137*66.6*9.6mm
• Platform：BCM23550，quad-core 1.2GHz
• Memory： 4GB+4Gb (e-MMC&LPDDR2）
• System：Android 4.2
• Frequency band: WCDMA：2100，GSM：900/1800MHz
• Battery： 1800mAh
• charger: Travel charger
• USB cable: MICRO 5PIN
• earphone： 3.5 jack
• LCD&TP： 4.5 FWVGA, Capacitance TP， multi-point touch
• Camera：5.0M front and 5.0M rear CMOS
• Support：BT2.1，WIFI，FM，NTC。
• Support：3D graphics accelerator，accelerator sensor, distance
sensor, light feeling sensor。

Disassembly guide
• 1. Tools list
Tweezer /Cross screw driver/Solder/Tommy bar/hot gun

Disassembly guide
• 2. Battery caver disassembly
• open the battery cover，as the Fig. 1
Fig. 1
Battery cover

Disassembly guide
• 3. Back caver disassembly
• 1） Unscrew 11 screws in back cover ，as the Fig.2；
Fig. 2

Disassembly guide
• 2） Disassemble back cover with Tommy bar ，as the Fig.3；
Fig.3
Back cover SPK

Disassembly guide
• 4.Main board and front cover disassembly
• 1）The main components of distribution，as the Fig.4；
Fig.4
Main PCB
Earphone con
TP con
8M camera
USB con
5M camera
LCD con
SIM2 card con
SIM1 card con
T card con
BAT con
RF cable
vibrator
MIC
ANT clip

Disassembly guide
• 2）remove 1 screws and open the LCD con.& TP con. ，and
remove the volume key FPC & power key FPC as the Fig.5；
Fig.5
LCD con
TP con