We now discuss how to tackle mobile phone caused if IC CPU die, usually the total dead cell phone keypad will not work and often hangs. Sometimes the phone can not signal because of damage to the CPU.
FOR ABOUT IT:
We use the power supply to the size of one ampere ampere or one thousand milli amperes. With this large capacity we can be more easy to figure out the damage on this phone.
Connect the power supply cables to the battery fit into place ekonektor Red on the positive pole
Yellow on the pole BSI (Battery information systems)
Black on the negative pole.
Before turning on the power supply do not forget to change the position on the power supply volt at position 0 volts. This guard against over-voltage in bemberi on the phone, because it can result in severe. Then after all was ready. We turn on the power supply and give a voltage of 3.7 (corresponding to the battery) with a tolerance of 0.5. Never add to the value of tolerance.
When your phone is off, look at the needle ampere in power supply, he will show the scale of approximately 100 milli amperes.
The next step we need to ascertain whether IC.CPU, still good or have been completely destroyed. If it is still good kiita heat by using a blower and if it is damaged IC.CPU we shall replace with undamaged.
Before making the appointment IC.CPU we must have a heat-resistant glue and liquid destroyer. Because IC.CPU protected by heat-resistant glue. Once we destroy the heat-resistant glue that we make a new appointment on IC.CPU and replace them with new ones. Do not forget that we have to replace and install IC.CPU with new, heat-resistant glue to put back so IC.CPU safe.
Once the process for the above process is completed. We turn on the phone 100% live
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