TABLET PC REPAIR TRAINING

Day 1 (FOR FRESHERS) 1 BASIC ELECTRONICS AC, DC, Current, Voltage, Ampere Types of circuit, material Measurement unit Use of multi-meter, digital analog multi-meter. How to check AC, DC, and OHMs resistance Different SMD components Resistor, Diodes, Capacitors Inductors, Transformers, Transistors MOSFET Day 2 2 INTRODUCTION OF TABLET PC Basic working detail of laptop and mobile phones Network section of mobile phones Hard disk, ram, CPU, WIFI, Bluetooth section of laptop Difference between computer, laptop, tablet pc , iPAD, mobile, smart phone Basic operating of tablet pc Menu, setting, Bluetooth, GSM, CDMA, etc. 3 TYPES OF OPERATING SYSTEMS IN TABLET PC Android, operating system in tablet 4.0.X ice cream sandwich 3.X.X honey comb 2.3.x ginger bread 2.2 froyo Basic used detail of android 4 FORMATTING INSTALLING OPERATING SYSTEMS IN TABLET PC FACTORY RESET, WIPES. Firmware update from SD card How to find firmware thru PCB Flashing thru ODIN in Samsung Flashing thru IUW in HCL tablet EM 73 Boot option in HCL standard boot, recovery boot, fdwn boot , fast boot Installation of operating systems in tablet Pc Android operating system Upgrading operating system Changing operating systems 5 APPLICATION INSTALLATION Application installation on tablet pc Application install from market Application install from memory card Troubleshooting of Operating systems. Troubleshooting of Application software. Troubleshooting of Tablet PC Day 3 6 TEARDOWN / DISMENTAL TABLET PC Basic video of opening and closing demo Assembly & disassembly of tablet pc demo on 3 models 7 IDENTIFICATION PARTS OF TABLET PC Adapter/charger Battery Ram & Rom Keyboard of tablet pc Display windowsTouch screen/ touchpad Display modules LCD / TFT/ LED Display Primary Camera /secondary camera Motherboard main PCB Processor Antenna Carrier Loudspeaker LED PCB Hard Disk / memory card flash chip BIOS / CMOS setting Testing of parts 8 COMPONENT CHECKING & IDENTIFY Identify damaged and ok component Removing and Inserting component practice 9 TABLET PC REPAIRING CONCEPTS Adapter Repairing concepts Battery Repairing boosting concepts Inverter Section and CCFL Testing Hard Disk / Internal Hard disk RAM and ROM Touchpad 10 BLOCK DIAGRAM OF TABLET PC Understanding motherboardblock diagram of Tablet PC Different section of tablet pc Top view of motherboard Bottom view of motherboard Identify each chip and understand different section Working detail of tablet pc motherboard Day 4 11 DIFFERENT SECTION OF TABLET PC Power section of tablet pc Initial failure Charging section SIM section Microphone section Speaker section Bluetooth WIFI section LCD section & troubleshooting of tablet pc Touchscreen section & troubleshooting in tablet pc Light sensor Camera not work front/ back GSM 850/ 900 / 1800 /WCDMA section 12 UNDERSTANDING SCHEMATIC DIAGRAM OF TABLET PC Understanding Circuit diagram of power section Voltage measurement in Tablet pc Troubleshooting power on failure in Tablet Use of Debug card post error code. Common problem of different motherboards 13 PROBLEM AND SOLUTION STEPS OF TABLET Power on does not work Tablet initial failure Abnormal charging Insert SIM cart (after inserting SIM) Microphone not work Speaker not work Bluetooth WIFI not working LCD is not work after PWR ON Touch screen does not work Camera does not work Network Not work (GSM, 850,900,1800, WCDMA) Using Oscilloscope (CRO) 14 REPAIRING AND BGA REWORK OF TABLET PC Removing ICs by Hot Air Gun Machine (SMD Machine). iCs re-balling by BGA machine. Concept