PRESENTED BY L.PAVAN KUMAR REDDY (08R01A0441) UNDER GUIDENCE OF Mrs. G.SWATHI
MOBILE HARDWARE Mobile hardware deals with following modules: Mobile architecture(sectional wise) Types of ICs used in mobiles Mobile Flashing Technique Mobile repairing tools
BLOCK DIAGRAM OF MOBILE ARCHITECTURE
Mobile architecture contains four sections 1)Power supply section 2)Logic section 3)User interface section 4)Signal processing section
Power supply section This section contains Battery 1. Ni-MH battery (5.2 volts) 2. Li Ion battery (4.8 volts) Power supply controller Charging IC SIM module
LOGIC SECTION This section contains CPU Flash ROM
USER INTERFACE SECTION This section contains: Display(LCD) Keypad and keypad LEDS
Buzzer(Ringer) Vibrator
SIGNAL PROCESSING SECTION This section contains: Antenna Speaker Microphone
TYPES OF IC’S USED IN MOBILES Ringer IC Power IC RF IC Power amplifier USB controller IC
MOBILE FLASHING Flashing is performed using Flasher. Flasher is a professional device that flash-upgrade & removes SIM/phone/user lock working with a wide range of mobile phone models. Flashing can be performed using these devices.
MOBILE REPAIRING TOOLS Following tools are used for mobile repair: Hot air work station Solder station
Tool set(screw drivers) Microscope Lens Multi-meter
LCD TESTER LCD TESTER can be used to inspect the quality serial LCD which are both original & OEM, single screen & with board. Features: Inspect color and definition of display. Operating is fast and easy.
FLEX CABLES Flex cables serves as internal buses within the mobile unit. Features: Allows to performs multi-functions. Video calling can be achieved. Advantages: Avoids use of large set of wires.
JUMPER SECTION OF NOKIA 6300 Jumper is used for connecting different parts of mobile whenever faults occurs. Jumper can used to solve following problems: Network Keypad LEDs Microphone Headset pin
TOUCH SCREEN New technology in mobiles is used to replace keypad with touch screen. Advantages: 1.Hardware requirement is reduced. 2.Accessing is fast and easy.
IMPROVEMENT IN TECHNOLOGY