You will need
- - power supply unit;
- - a scalpel;
- - screwdriver;
- - soldering iron.
Instruction
1
First, open the case and charge the scalpel install on sealed seam chargers and weak taps on the scalpel cut the plastic seam is completely on one side. You should open the unit at the seams, but this should be done very carefully, because one side edge and another in the groove. Do not push inward, it is required to find the side without the ribs and gently disconnect.
2
The most difficult part is cutting the first hole. To do this, take the slim and narrow screwdriver and heat it. Then set the screwdriver on the seam of the block and gently press until you hear a click. After you start moving the screwdriver along the seam, while the charge itself is not disclosed. Often charging that open easy: this PSU laptops Asus, Acer, Hp, Dell and others. Charging for Apple Macbook reveal in a similar way, except that they are not glued, but in a special way connected, but when opening their appearance also suffers.
3
Now, locate the cause of faulty operation, check the voltage at the output. If everything is in order, then look for the problem further. Remove the metal housing from the Board atpaw his charger. Cut the rubber stop plug. Then cut the unnecessary parts of the wires, solder the whole wire to the connector and sealed it again. Unit power supply for laptop ready to work again and charge the device. If done carefully the disassembly, the unit power will be severely damaged and its appearance remains perfect.
Useful advice
It should be noted that the power supplies of laptops have a large number of components, health checking which is possible only if you have an oscilloscope, quality tester and other equipment. Therefore, repair of these blocks is best done not in the home, and in special service centers, where specialists will find the cause of the failure and quickly fix it.
