How To Become a Laptop Technician: From Zero to Hero

How To Become a Laptop Technician

Recognition and Scope of Reparation Theory 1. User Manual User manual is a guide book for customer or user. Usually, there is in one package when you buy a new laptop. 2. Service Manual As a technician, the service manual serves as a standard laptop unloading procedure. Especially if there is the latest series that we never do maintenance on the laptop, then the service manual may be in need. The fact that there are many wrong procedures in conducting the process of dismantling and assembling, it can cause the case cracked or broken. There are also some other descriptions that can be our guide on the field, on the official website of each laptop brand provides a service manual for each of their products. Example: up screen short from DOC (Service Manual).

Basic Components of SMD on Motherboard Laptop The component form is divided into two, they are standard and SMD or mini component, and of its characteristic are also divided into two, active and passive components. The active component is a type of electronics component that requires an electric current to work, in an electronic circuit that can amplify and direct electrical signals, and can convert energy from one form to another (transistors and IC diodes). Passive component is a type of electronic component that works without the need for electric current, so it cannot strengthen and rectify electrical signals and cannot convert energy to another form (resistor, capacitor etc).

But unfortunately in the laptop motherboard series only installed 3-2 pieces only. And this component is the top score of total dead laptop damage from past to the present, almost in all electronic devices without exception, laptop motherboard as well. If we find the short circuit and it has been narrowed in just one circuit by removing the jumper/disconnecting the jumper path or the inductor component. The techniques to find a shorting capacitor arranged parallel as in the picture beside, remove the capacitor whose value is the largest in the schematic diagram because it is usually the most damaged first. Parallel arranged capacitors serve to flatten currents and voltages (currents and voltages are always directly proportional). The basic principle of capacitor is the charge storage and then releases it. While the capacitors are arranged in series then the characteristic will be different, if the input voltage goes up he fills the charge and if the voltage drops he will dispose of the charge. The capacitor will conduct electricity when the input is off or in AC mode and charge if ON or when in the DC mode. There are 2 functions: the first function to block the DC voltage and the second function to smooth the AC voltage.

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