Mobile repair book is a 120 page complete manual that answers all the basic to core level questions for entrants into mobile phone repair technical support segment. The book takes the reader one step at a time, combining a strong theoretical knowledge based on Mobile phone devices (how they function, description of their internal chip components with tutorial on the basic foundation electronics for repairing and merged it with descriptive easily, practically and getting tutorials on both hardware and software related repair procedures for Mobile phone Information about hardware and software repair tools is covered with product listings and guides for success.)
What this book teaches is practicable towards becoming a good Mobile phone technician. The tutorials cover Microelectronic device dis-assembly and re-assembly, troubleshooting, BGA soldering, detailed electronics fundamentals, flash programming and many others. The book ends with a chapter of information on how to set up a shop and efficiently managing a mobile repair services support center. Discover the secrets about mobile phone repair with these books.
There are two types of speakers use in a mobile phone.A. Air speaker B. Ringer speaker (handsfree)The air speaker is a bit smaller in size than the ringer speaker. The exterior design of the speaker is as shown below.
The audio amplifier IC is to amplify the audio signal and give it to the ringer speaker. It is connected to the IC Ringer speaker. If the IC is bad, the mobile phone will not ring and the hands will not be free. This IC is also found in small size only on bar phones near the speaker interface.
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When selecting mobile phone repairing tools and equipment, it is important to select the best tools, even if it costs a little more. Cheap or inexpensive tools and equipment may not be handy or comfortable (ergonomic) when repairing a mobile cell phone. 2b1af7f3a8