The Apple iPhone 5 has created craze all around the world. It is definitely the next generation gadget taking mobile telephony a step ahead. Let us now examine the parts and components inside the new Apple iPhone 5...
How to Replace LCD Display Screen of a Mobile Cell Phone
When repairing mobile cell phone, you may often have to Desolder and remove the LCD / Display Screen / PDA of a mobile phone and again solder and replace it with a new LCD / Display Screen /...
How to Check Parts of a Mobile Phone for Fault
When doing mobile phone repairing, you will often need to check parts such as speaker, ringer, vibrator, coil, boost coin, On / Off Switch, Antenna Switch, RX Filter, PFO, BSI, Network IC, VCO, Audio IC, Power IC, RTC,...
How to Clean Points and Connectors of Mobile Phone PCB
When doing mobile cell phone repairing, you will often have to clean several points and connectors. Cleaning of points and connectors is done to clean and remove dirt and oxides from solder joints, PCB circuit tracks and the...
How to Jumper in Mobile Phone Repairing
Most mobile phone repairing is done by doing jumper. Different parts of a mobile cell phone like display, keypad, speaker, microphone, LED lights, different ICs, different small parts and electronic components, all have different jumper settings. It is...
How to Use Multimeter | How to Use Digital Multimeter | How to Use Analog Multimeter
Multimeters are of two types – Analog Multimeter and Digital Multimeter. How to use Multimeter to check voltage, Ohms, battery, continuity etc is more or less the same. The only difference is that a digital Multimeter has a...
How to Open and Disassemble a Mobile Cell Phone
How to open and disassemble any mobile cell phone including Nokia, Samsung, Motorola, China Mobile Phones or any other brand of cell phone from any mobile cell phone manufacturer is basically same with slight change in the process....
How to Check Mobile Cell Phone Settings
When repairing any mobile cell phone, you will often come across problems when you will need to start with by checking the settings before proceeding to open and repair the mobile phone. Such problems could include any of...
Circuit Symbol / Circuit Schematic Symbols of Electronic Components
What are Circuit Symbols and why are these Schematic Symbols Used? Circuit symbols are symbols, signs or pictogram of electronic components to represent electrical and electronic components and devices schematic diagram of an electronic circuit. Even though these...
Current | Electric Current | AC (Alternate Current) | DC (Direct Current)
What is Current or Electric Current? Current or electric current is flow or charge (electrons that are negatively charged) from one medium to another through a conductor medium like copper wire, aluminum wire, circuit, electric wiring etc. What...
Counting Legs or Pins of IC
Any mobile phone PCB has several IC or Integrated Circuit. These are SMD or Surface Mount Electronic Components. Before understanding how to count legs or pins of any IC, let us learn about IC. What is an IC?...
Small Parts / Electronic Components of Mobile Phone and Their Function
The PCB of a mobile cell phone has several small parts or electronic components. When learning mobile repairing, it is important to learn and understand how to identity these small parts or electronic components and understand their function....