Preliminary
Before you go any further about repairing mobile phones, of course, you must first understand the working principles for mobile phones to facilitate the process of analysis of damage to the phone.
In this chapter will be discussed broadly and in general, because the current development of mobile technology is always changing.
Central command processing input / output.
Command input.
Each time you make an order to the phone, for example typing an sms, play games, changing phone settings, voice recording, photos, and others. All the above is a command from the mobile phone users, where it can be through means such as keypad, camera, infra red, Bluetooth. All input commands will be accepted by the CPU, then the CPU will process all the input commands. CPU can process all the input commands the operating system based on data contained in the IC flash. IC flash will store the input data when commanded by the CPU, RAM, while the IC will accept data from the CPU for a while.
Output command.
CPU will give the canal command from the command input, command of the CPU is very universal in the overall mobile navigation system for example: giving the order to display graphical information on the LCD, giving orders to the UI (vibrator, buzzer, LED), gave the order to the power supply for voltage meretribusikan , and others.
Power Supply
Power up / down (On / Off)
The process to turn the phone is not the same as ordinary electronic circuits such as radio TV etc.. At almost the same phone system with computer, where the process does not turn on or turn off the power relationship by removing the power supply. In the actual computer system if given power, the system serves only was switched off, if in analogy to human beings in a state of sleep, in which the system will be ready whenever given the command to activate all systems. That's because when the phone has been on battery then plug in the battery voltage will go directly to the IC power supply, power supply ICs at the same time will provide the voltage to the processor. SW series of On / Off cell phone
Before you go any further about repairing mobile phones, of course, you must first understand the working principles for mobile phones to facilitate the process of analysis of damage to the phone.
In this chapter will be discussed broadly and in general, because the current development of mobile technology is always changing.
Central command processing input / output.
Command input.
Each time you make an order to the phone, for example typing an sms, play games, changing phone settings, voice recording, photos, and others. All the above is a command from the mobile phone users, where it can be through means such as keypad, camera, infra red, Bluetooth. All input commands will be accepted by the CPU, then the CPU will process all the input commands. CPU can process all the input commands the operating system based on data contained in the IC flash. IC flash will store the input data when commanded by the CPU, RAM, while the IC will accept data from the CPU for a while.
Output command.
CPU will give the canal command from the command input, command of the CPU is very universal in the overall mobile navigation system for example: giving the order to display graphical information on the LCD, giving orders to the UI (vibrator, buzzer, LED), gave the order to the power supply for voltage meretribusikan , and others.
Power Supply
Power up / down (On / Off)
The process to turn the phone is not the same as ordinary electronic circuits such as radio TV etc.. At almost the same phone system with computer, where the process does not turn on or turn off the power relationship by removing the power supply. In the actual computer system if given power, the system serves only was switched off, if in analogy to human beings in a state of sleep, in which the system will be ready whenever given the command to activate all systems. That's because when the phone has been on battery then plug in the battery voltage will go directly to the IC power supply, power supply ICs at the same time will provide the voltage to the processor. SW series of On / Off cell phone
