Mobile Phone Repairing Tools & Equipment | Tools to Repair Mobile Cell Phone

1. Soldering Iron: Used to solder small components like capacitor,
   

   Soldering Iron
   resistor, diode, transistor, regulator, speaker, microphone, display etc. A 50 watt soldering iron is good enough for most mobile phone repairing job. When buying a soldering iron, select the one that is easy to hold and does not burn you hand. The soldering iron must have option to choose and select different types and shapes of soldering tips or bits. These tips or bits must be replaceable. It must also be ESD-Safe (Antistatic) because most electronic components in a mobile phone are very sensitive and can get damaged due to static charge or static electricity. Hakko and Weller are two world renowned brands who manufacture, sell and export world class soldering irons and other soldering tools and equipments.
2. Soldering Station: A soldering station has 2 units – a station and an
   

   Soldering Station
   iron. It has option to control temperature depending on the heat requirement of the soldering job being done. The soldering iron is attached with the soldering station. It is better and more convenient than traditional soldering iron. It makes soldering work much easier and faster. When buying a soldering station for mobile phone repairing one must always select an ESD-Safe (Antistatic) model. Hakko and Weller are two world renowned brands who manufacture, sell and export world class soldering irons and other soldering tools and equipments.
3. PCB Holder / PCB Stand: A PCB (Printed Circuit Board) holder or PCB
   

   PCB Holder
   stand is used to old the PCB of a mobile phone while soldering or repairing. It holds the PCB very strongly and doesn’t allows it to move thus helping in repairing. Again, it is important and wise to select a good quality PCB holder rather than a cheaper and inexpensive one.
4. Solder Wire: Solder wire is used to solder electronic components, ICs
   

   Solder Wire
   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. 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. 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.
5. Thinner or PCB Cleaner: Thinner or PCB cleaner is used to clean the PCB of a mobile phone. The most common PCB cleaner used in mobile phone repairing is IPA or Isopropyl Alcohol. It is important to buy only good quality PCB cleaner as poor quality PCB cleaners can damage the board.
   

   PCB Cleaner
6. Jumper Wire: 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.
   

   Jumper Wire
7. Blade Cutter: This is used to remove lamination from jumper wire. It can also be used for several other purposes.
   

   Blade Cutter
8. Point Cutter: It is used for cutting.
   

   Point Cutter
9. Nose Cutter: It is used for cutting.
   

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

    Screwdriver for Mobile Phone Repairing
11. Tweezers: These are needed to hold electronic components, ICs, jumper wire etc while soldering and Desoldering.
    

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

    ESD-Safe Brush for Mobile Repairing
13. Multimeter: Used to find faults, check track and components. Always buy a good quality reliable ESD-Safe digital Multimeter for mobile repairing works.
    

    Multimeter
14. Hot Air Blower: It is also called SMD (Surface Mount Device) rework system and SMD repair system. It has control to regulate or manage temperature and flow or hot air. Always buy a good quality ESD-Safe hot air blower.
    

    Hot Air Blower
15. Battery Booster: It is used to boost the power of battery of a mobile phone.
    

    Mobile Phone Battery Booster
16. Ultrasonic Cleaner: Used to clean PCB of a mobile phone and electronic components.
    

    Ultrasonic Cleaner for Mobile Repairing
17. BGA Kit: Used to Reball and repair ball-type ICs. BGA stands for Ball Grid Array.
    

    BGA Kit for Mobile Repairing
18. Magnifying Lamp: It is used to see the magnified view of the PCB of a mobile phone. Most magnifying lamps also have light. Magnifying lamps are available in different magnification such as 3x, 4x, 5x, 10x, 50x etc.
    

    Magnifying Lamp to Repair Mobile Phone
19. Mobile Opener: These are used to open the housing or body of a mobile phone.
    

    Mobile Phone Opener
20. DC Power Supply: Regulated DC (Direct Current) power supply is used to supply DC current to a mobile phone. Most repair person used DC power supply to switch ON a mobile phone without battery.
    

    DC Power Supply for Mobile Phone Repairing
21. Liquid Flux: It is used to clean PCB track and legs or pins of electronic components while soldering. Liquid flux improves quality of soldering. Kester flux is world renowned for good quality.
    

    Liquid Flux for Mobile Phone Repairing
22. Paste Flux: This is also used while soldering.
    

    Paste Flux
23. Solder Paste: This is solder in molted semi-solid form. It looks like paste. Solder paste is mainly used for Reballing of ICs.
    

    Solder Paste
24. Cleaning Sponge: This is used to clean tip of soldering iron while soldering.
    

    Cleaning Sponge to Clean Tip of Soldering Iron
25. Desoldering Wire: Desoldering wire or Desolder wire is used to remove excess solder from track of PCB. Chemtronics is world renowned manufacturer and supplier of Desoldering wire.
    

    Desoldering Wire
26. Screwdriver Kit: It has several screwdrivers of different shapes and sizes to dissemble and assemble a mobile phone. Aven Toolsis a world renowned manufacturer, exporter and supplier of all kinds of tools and tool kits.
    

    Screwdriver Kit
27. IRDA or Infrared Workstation: This machine is similar to hot air blower. Only difference is that it gives heat through infrared. It is very precise and give heat only where it is needed thus preventing any damage to nearby electronic components on a PCB.
    

    Infrared Workstation
28. LCD Tester: Used to check whether LCD screen of a mobile phone is faulty or not.
    

    LCD Tester
29. Microscope: It is used to see a magnified view of PCB or electronic components. These are available in different zoom options. Many microscopes can also be connected to a computer or a monitor.
    

    Microscope for Mobile Repairing
30. Test JIG Box: This device is used to diagnose and find fault or problem in a mobile phone. It helps the mobile phone to work and function normally outside its case. This helps to test and check voltage and other test points on the PCB. It simple words it helps the a mobile phone to work without battery.
    

    Test JIG Box
31. Wrist Strap: It is work in the wrist of the person who is repairing a mobile phone. It helps to discharge or ground static charge thus preventing the PCB or electronic components from any damage.
    

    Wrist Strap
32. Antistatic Hand Gloves: It is important to wear ESD-Safe hand gloves while repairing a mobile phone to prevent PCB and electronic components from static charge.
    

    Antistatic Hand Gloves
33. Antistatic Mat: It is laid or placed on the table or workbench where mobile repairing is done. The mat is grounded using a grounding cord or normal grounding wire. This also prevents damage from static electricity.
    

    Antistatic Mat
34. Antistatic Apron: It is a dress work by people who repair mobile phones. This also helps to discharge static electricity.
    

    Antistatic Apron
35. Smoke Absorber: This is like an exhaust fan that helps to filter smoke that comes out while soldering and Desoldering.
    

    Smoke Absorber
36. Battery Tester: This device is used to test and analyze status or condition of battery of a mobile cell phone.
    

    Battery Tester

Read More

Mobile Cell Phone Repairing Dictionary – Meaning of Terms used in Mobile Phone Repairing

1. 1G: 1^St Generation in Mobile Telephony.
2. 2G: 2^Nd Generation in Mobile Telephony.
3. 3G: 3^Rd Generation in Mobile Telephony.
4. 4G: 4^Th Generation in Mobile Telephony.
5. AC: Alternate Current.
6. BGA: Ball Grid Array.
7. BSI: Battery Status Indicator.
8. CDMA: Code Division Multiple Access.
9. CPU: Central Processing Unit.
10. DCT: Digital Core Technology.
11. DC: Direct Current.
12. GSM: Global System for Mobile Communications.
13. IMEI: International Mobile Equipment Identity.
14. IC: Integrated Circuit.
15. LED: Light Emitting Diode.
16. PDA: Personal Digital Assistant.
17. PFO: Power Frequency Oscillator.
18. PCB: Printed Circuit Board.
19. RAM: Random Access Memory.
20. RF: Radio Frequency.
21. ROM: Read Only Memory.
22. RTC: Real Time Clock.
23. RX: Receive / Receiver (Receiving Section).
24. SMD: Surface Mount Device.
25. TX: Transmit (Transmitting Section).
26. UEM: Universal Energy Manager.
27. VCO: Voltage-Controlled Oscillator.

Read More

Parts of a Mobile Cell Phone and Their Function

Big Parts of a Mobile Cell Phone and Their Function:

1. Antenna Switch: It is found in the Network Section of a mobile phone
   
   

   Cell Phone Antenna Switch
   and is made up of metal and non-metal. In GSM sets it is found in white color and in CDMA sets it is found in golden metal.
   Work: It searches network and passes forward after tuning.
   Faults: If the Antenna Switch is faulty then there will be no network in the mobile phone.
2. P.F.O: It is found near the Antenna Switch in the Network Section of the
   
   

   Cell Phone PFO
   PCB of Mobile Phone. It is also called P.A (Power Amplifier) and Band Pass Filter.
   Work: It filters and amplifies network frequency and selects the home network.
   Faults: If the PFO is faulty then there will be no network in the mobile phone. If it gets short then the mobile phone will get dead.
3. RF IC / Hagar / Network IC: This electronic component found near
   
   

   Cell Phone Network IC / RF IC
   the PFO in the Network Section of a Mobile Phone. It is also called RF signal processor.
   Work: It works as transmitter and receiver of audio and radio waves according to the instruction from the CPU.
   Faults: If the RF IC is faulty then there will be problem with network in the mobile phone. Sometimes the mobile phone can even get dead.
4. 26 MHz Crystal Oscillator: It is found near the PFO in the Network
   
   

   Mobile Phone 26 MHz Crystal Oscillator
   Section of a Mobile Phone. It is also called Network Crystal. It is made up of metal.
   Work: It creates frequency during outgoing calls.
   Faults: If this crystal is faulty then there will be no outgoing call and no network in the mobile phone.
5. VCO: It is found near the Network IC in the Network Section of a Mobile
   
   

   Mobile Phone VCO
   Phone.
   Work: It sends time, date and voltage to the RF IC / Hager and the CPU. It also creates frequency after taking command from the CPU.
   Faults: If it is faulty then there will be no network in the mobile phone and it will display “Call End” or “Call Failed”.

6. RX Filter: It is found in the Network Section of a Mobile Phone.
   
   

   Mobile Phone RX Filter
   Work: It filters frequency during incoming calls.
   Faults: If it is faulty then there will network problem during incoming calls.

7. TX Filter: It is found in the Network Section of a Mobile Phone.
   
   

   Mobile Phone TX Filter
   Work: It filters frequency during outgoing calls.
   Faults: If it is faulty then there will network problem during outgoing calls.

8. ROM: It is found in the Power Section of a Mobile Phone.
   
   

   Mobile Phone ROM
   Work: It loads current operating program in a Mobile Phone.
   Faults: If ROM is faulty then there will software problem in the mobile phone and the set will get dead.

9. RAM: It is found in the Power Section of a Mobile Phone.
   
   

   Mobile Phone RAM
   Work: It sends and receives commands of the operating program in a mobile phone.
   Faults: If RAM is faulty then there will be software problem in the mobile phone and it will get frequently get hanged and the set can even get dead.

10. Flash IC: It is found in the Power Section of a Mobile Phone. It is also
    
    

    Cell Phone Flash IC
    called EEPROM IC, Memory IC, RAM IC and ROM IC.
    Work: Software of the mobile phone is installed in the Flash IC.
    Faults: If Flash IC is faulty then the mobile phone will not work properly and it can even get dead.

11. Power IC: It is found in the Power Section of a Mobile Phone. There are
    
    

    Cell Phone Power IC
    many small components mainly capacitor around this IC. RTC is near the Power IC.
    Work: It takes power from the battery and supplies to all other parts of a mobile phone.
    Faults: If Power IC is faulty then the set will get dead.

12. Charging IC: It is found in the Power Section near R22.
    
    

    Cell Phone Charging IC
    Work: It takes current from the charger and charges the battery.
    Faults: If Charging IC is faulty then the set will not get charged. If the Charging IC is short then the set will get dead.

13. RTC (Simple Silicon Crystal): It is Real Time Clock and is found in
    
    

    Mobile Phone RTC (Real Time Clock)
    the Power Section near Power IC. It is made up of either metal or non-metal. It is of long shape.
    Work: It helps to run the date and time in a mobile phone.
    Faults: If RTC is faulty then there will be no date or time in the mobile phone and the set can even get dead.

14. CPU: It is found in the Power Section. It is also called MAD IC, RAP IC
    
    

    Cell Phone CPU
    and UPP. It is the largest IC on the PCB of a Mobile Phone and it looks different from all other ICs.
    Work: It controls all sections of a mobile phone.
    Faults: If CPU is faulty then the mobile phone will get dead.

15. Logic IC / UI IC: It is found in any section of a mobile phone. It has 20
    
    

    Cell Phone Logic IC
    pins or legs. It is also called UI IC and Interface IC.
    Work: It controls Ringer, Vibrator and LED of a mobile phone.
    Faults: If Logic IC / UI IC is faulty then Ringer, Vibrator and LED of mobile phone will nor work properly.

16. Audio IC: It is found in Power Section of a mobile phone. It is also
    
    

    Cell Phone Audio IC
    called Cobba IC and Melody IC.
    Work: It controls Speaker and Microphone of a mobile phone.
    Faults: If Audio IC is faulty then Speaker and Microphone of a mobile phone will not work and the set can even get dead.

Read More