Tuesday, August 6, 2019

MOBILE REPAIR TOOLS STUDY TOPIC 2


Solder Wire
Ø  Solder wire is used to solder electronic components, ICs or jumper. Composition of most solder wire is Tin / Lead in the ratio 60:40 or 63:37. Since the introduction of RoHS (Restriction of Hazardous Substances) from electronics, more and more companies are using lead-free solder.
Ø  Lead-free solder wire is available in many compositions but the most common composition is Tin / Silver / Copper in the Ratio 96.5:3.0:0.5. Solder wire is available in different diameters such 2.0mm, 1.5mm, 1.0mm, 0.5mm, 0.2mm etc
 
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Ø  For mobile phone repairing 0.5mm solder wire is best suitable. Kester is a world renowned manufacturer and supplier of solder wire and other soldering material.
Thinner or PCB Cleaner
Ø  Thinner or PCB cleaner is used to more flex in the PCB. The most common PCB cleaner used in mobile phone repairing is IPA or Isopropyl Alcohol.
Ø  It is important to buy only good quality PCB cleaner as poor quality PCB cleaners can damage the board. 

Jumper Wire
Ø  This is a thin laminated or coated copper wire used to jumper from one point to another on the track of a mobile phone while repairing. Most people doing the work of mobile repairing do jumper to solve many problems. 

Point Cutter& Nose Cutter

 











Precision Screwdriver
Ø  It is used to remove and tighten screws while assembling and dissembling a mobile phone.
Ø  Precision screwdrivers of sizes T4, T5, T6 and forehead are good for most mobile repairing job. 


Tweezers
Ø  These are needed to hold electronic components, ICs, jumper wire etc while soldering and Desoldering. 

Brush
Ø  These are used for cleaning the PCB of a mobile phone while repairing.
Ø  It is important to buy only ESD-Safe cleaning brushes.









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