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Old 04-07-10, 09:57 PM   #1
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newstar.gif Complete Repair Tutorials For Beginners


This blog supports DHAKA MOBILE
NO registration required, NO FESS, 100% absolutely free
This is dedicated free mobile phone repair tutorials for all beginners..
All lessons herein were all simplified and a few general technical terms being reduced to make easy learning and understanding, Images and Pictures were also gathered and choose appropriately to support every aspects of learning.


These tutorials covers the following step by step lessons:


LESSON 01

Basic Information How Cellphone Works?
Learning with Block Diagram on How basically Cell-phone works?


LESSON 02
Introduction To Basic Electronics



Ohm's Law


Series Circuit


Parallel Circuit


Identifying Electronics Components and Circuit Symbols


Resistors


Capacitors

Transistors



Diodes


Fuse


Coils & Inductors


Crystal Oscillators


RF & IF Amplifiers and Filters

EMI and ESD Filters



LESSON 03


Preparing the Proper Tools For Repairing


Opening Tools and Tweezers


Soldering and Desoldering Tools


Muti Tester


SMD Rework Stations


DC Power Supply


Cleaning Kits


Reballing Kits


Working Table Equipments


LESSON 04


Safety Procedures and Proper Handling of Tools and Test Equipments on Cellphone Repair

How To Use and Read a Multimeter Tester


Test and Check up Procedures on Basic Electronics Components
LESSON 05


Introduction to
Reading Cellphone's Schematic Diagrams


Identifying Component Symbols and Layout in Schematic Diagram


How to Identify Resistor's Symbols and Layout


How to Identify Capacitor's Symbols and Layout


How to Identify Transistor's Symbols and Layout


How to Identify Diodes Symbols and Layout


How to Identify Coil Symbols and Layout


How to Identify Integrated Circuit Symbols and Layout


How to Identify DC to DC Voltage Drivers, Regulators and
Convertes Symbols and Layout


How to Identify EMI-ESD Symbols and Layout


How to Identify RF Filter Symbols and Layout


How to Identify Battery Cell Symbols and Layout


How to Identify Power Switch , Mouthpiece, Earpiece and Ringtones Speakers User Interface Symbols and Layout


How to Identify Clock Crystal Oscillator Symbols and Layout


How to Identify Fuse Symbol and Layout

How to Identify the Lines and Symbols on Schematic Diagram

LESSON 06

How to Find and Locate Components on PC BoardHow to Solder SMD Components Manually by Hand

How to Reball BGA Chips Manually by Hand

Identifying and Familiarization of Common Mobile Phones Components and Spare Parts
Liquid Crystal Display LCD's Touch Screen Panels Microphones Micro Speakers Switches Charging Pins Antenna's Batteries Battery Connectors USB connectors

Familarization: Components and Parts on Nokia Mobile Phone Handsets
Familarization: Components and Parts on Samsung Mobile Phone Handsets
Familarization: Components and Parts on Sony Ericsson Mobile Phone Handsets
Familarization: Components and Parts on Motorola Mobile Phone Handsets
Familarization: Components and Parts on iPhone Mobile Phone Handsets
Familarization: Components and Parts on Blackberry Mobile Phone Handsets
Familarization: Components and Parts on HTC Mobile Phone Handsets


Understanding Major Integrated Circuits (IC)on Mobile Phones
Power Management IC
Application Processor
Flash IC
RAM IC

Basic Hardware Handling Procedures
Proper Disassembling and Assembling Methods
How to Test Mobile phone Speaker,Buzzer or Ringer
How to Test Mobile phone Microphone or Mouthpiece
How to test Mobile Phone Charger Voltage
How to Test Mobile Phone Vibra Motor
How to check Mobile Phone Battery Voltage
How to test Power ON OFF Switch

Hardware Troubleshooting Basics

How to Troubleshoot Not Charging Issues
How charging circuit works
No Charging Response
Charger Not Supported
Not Charging
How SIM Circuits works
Insert Sim Card Problem
Invalid Sim Card
How Keypad Circuits Works
How to Map and Trace keypads Lines
Understanding The LED light Circuits
Explanation on How Audio Circuits work
Mouthpiece
Earpiece
Buzzer
Ringer

Headset
Vibra motor
How LCD Display Circuit Works

Basic Mobile Phones Hardware Repair Techniques

Basic on Software Handling
What is Flashing
What is Unlocking


More and More complete repair guides procedures:
Available to Download.....


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Old 07-03-11, 07:16 PM   #2
skyislimite
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Default Re: Complete Repair Tutorials For Beginners

very great Knowldge of electronics, I can not discribe how much useful post of kim, I m very glad to read all this, and want to especially thnx, very very thanx
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