Course Name | : CELLPHONE CHIP LEVEL SERVICE TRAINING |
Age limit/ Eligibility | : No need |
Regular Batch Duration | : Daily 2 hours (15 days). : Daily 3 hours (10 days). |
Weekend Batch Duration | : 4 hrs of every saturday & Sunday. |
Crash Courses Duration | : 3 days. (Friday, Saturday & Sunday) Time: 10am to 7pm. |
Special Batch | : Morning : 7am to 9.30am : Evening : 7pm to 9.00pm |
Registration Fees | : Rs 200 extra, 1 photo and student any id proof. |
We provide | : Certificate, Reference Book Materials, Backup Support for doubts Clearing through whatsapp, Marketing Shop Details, Circuit Diagram pdf Collections etc…, |
SECTION- 1
Introduction
- What is Cellphone? And it’s working function
- Various Cellphone manufacturers-Samsung, LG, Sony, Moto, Oppo, Vivo, Redmi and etc…,
- Types of Cellphone network
- Various models of cell Phone – Keypad Cellphone and Touch Screen Cellphone
- Types of cell Phone Service: Hardware service, Board Level service and software service
- Difference between hardware and board level service
- Specification of latest Smartphone
- Types of cell phone network : 3G,4G,and 5G
SECTION- 2
CellPhone Service Tools and Testing Equipments
- Screw driver kit
- Cell phone case opener
- Lcd cleaning solution
- Tweezers set
- PCB cleaner IPA solution
- Glue cleaner
- Motherboard holder
- Magnifying lenz
- Android boot cable
- DC power supply
- Digital multimeter
- Micro soldering iron
- Solder lead,wick and paste
- SMD Rework station
- Jumper wire
- LCD extractor tool and etc..,
SECTION- 3
SmartPhone Disassembling and Assembling Practical-1
- Complete dismantling Smartphone all parts one by one
- All parts name and identification
- LCD screen and touch pad with frame
- Antenna connector
- Ear piece, Mic and Loud speaker
- Vibrator motor
- Battery
- Front and back camera
- Charge connector board- CC
- Cellphone motherboard and etc…,
SECTION- 4
Smart Phone Disassembling and Assembling Practical-2
- Complete dismantling Smartphone all parts one by one for any model : Samsung, Redmi, Oppo or other model
- All parts name and identification
SECTION- 5
SmartPhone battery & Adapter troubleshooting
- Cell phone power dead or battery not charging problem
- What is battery? And its types
- Battery pin-outs name
- Various Battery voltage and current rating
- How check battery voltage?
- How boost battery voltage?
- what is AC adapter and its connector types
- AC power adapter volt and ampere rating and its checking
- Various types of charger and its pin outs
SECTION- 6
Smartphone Earpiece, Loud speaker and Mic troubleshooting
- Cell phone incoming or outgoing sound failure problem
- What is earpiece and loud speaker?
- Various types of earpiece and loud speaker
- Loud speaker, earpiece and its checking – practical
- what is microphone and its types
- Microphone and it’s checking – practical
SECTION- 7
Chiplevel – SMT Electronics Components
- What is current, voltage?
- Different between AC and DC current
- Electrical unit –Ampere, Volt, Watt, Mah
- What is Multimeter and its Complete Usage Method
- What is Polarity? Positive and Negative Difference
- What is Phase, Neutral and Earth?
- Series and Parallel Circuit Difference
- Types of SMD components : Passive and Active
- Passive Components : Resistor, Fuse, Inductor, Crystal Oscillator
- Active Components: Diode, Transistor, Mosfet, IC’S
SECTION- 8
SMD Resistor
- SMD resistor identification for Cellphone board
- What is resistor and its function?
- SMD resistor marking code and value measurements
- SMD resistor checking through multimeter
- SMD fusible resistor checking method
- SMD current sense resistor checking method
- What is smd fuse/and its checking method
- SMD resistor soldering practice
SECTION- 9
SMD Capacitor
- SMD capacitor identification for cell phone board
- What are capacitor and its function?
- SMD polarity capacitor marking code and value measurements
- SMD capacitor checking through multimeter
- SMD ceramic capacitor checking method
- SMD capacitor ground short checking method
- SMD capacitor soldering practice
SECTION- 10
SMD Inductor and Crystal Oscillator
- SMD inductor identification for cell phone board
- What are inductor and its function?
- Various types of SMD inductor for cellphone motherboard
- SMD inductor checking through multimeter
- SMD inductor ground short checking method
- SMD inductor soldering practice
- What is SMD crystal oscillator and its function
- Crystal oscillator value and checking method
- SMD crystal oscillator soldering practice
SECTION- 11
SMD IC’S or Chip [Integrated Circuits]
- What is ic’s and its general function?
- Various packages of IC’S
- What is inside of IC’S? and its fabrication
- SMD ball IC and its pin out finding method
- SMD pin IC’S and its pin outs finding method
- Various IC’S finding in cellphone motherboard
- SMD ball IC removing and Refixing method through hot air blower
- SMD pin IC removing and Refixing method through hot air blower
SECTION- 12
SmartPhone Motherboard
- What is Cellphone motherboard and its general function explain?
- Cellphone functional block diagram explain
- Various parts of cellphone motherboard and its name
- Various section of cellphone motherboard :
- Power section
- Charging section
- RF network section
- CPU section
- Memory section ram and rom
- EMMC section
- Sensor section
- LCD display and touch sensor section
- Simcard section
- Led backlight section
- Audio section
- Camera section
- Software section
- Jumper setting section
SECTION- 13
CellPhone Power Section Troubleshooting
- Dead power Cell phone problem, power circuit tracing and troubleshooting
- How power circuit work for cell phone motherboard?
- Power circuit functional block diagram explain
- Power management IC pin out explain
- Power on switch circuit troubleshooting tips
- Power switch soldering practice
- How to find board dead or working through boot cable
- Power IC PMIC soldering practical
SECTION- 14
CellPhone Charging Section
- Cellphone battery charging failure problem
- Charging circuit functional block diagram and its explain
- Charging circuit components and its checking
- Charging circuit tracing and troubleshooting tips
- Battery charging circuit half short and full short finding method
- Charging power circuit checking through DC power supply equipment
- Charging chip soldering practical
- Charging connector soldering practical
SECTION- 15
Cell Phone RF network section
- Incoming and outgoing failure problem
- How Cell phone RF section work?
- RF section functional block diagram and its function
- Rf section components checking method
- Earpiece and speaker circuit tracing and troubleshooting tips
- RF ic soldering practical
- Insert sim problem
- Simcard pin outs details explain
- Sim card circuit fault finding
SECTION- 16
CPU and Memory Section
- Cellphone hanging, randomly rebooting problem
- What is CPU and its types?
- Various brands of CPU : qualcomm, mediate, ARM cortex
- What is Ram and rom and its function
- CPU and memory circuit components checking practical
- CPU ic dry soldering method
- What is emmc ic and its function
- Various types of emmc chip interface
- Emmc ic dry soldering or removing practical
- Emmc ic reballing method
SECTION- 17
LCD Screen and Touch Screen Section
- No display ,half screen, white screen, black screen and broken display problem
- What is LCD screen and its types?
- Various sizes of LCD screen
- LCD screen connector circuit components checking method
- How to replace LCD screen from cellphone through LCD separator?
- Touch screen problem solution
- How remove and fix LCD screen connector
SECTION- 18
Led Backlight and Audio Section
- Black screen problem but screen signal ok
- LED backlight circuit functional block diagram
- LED backlight IC circuit tracing and troubleshooting tips
- No sound or less sound problem
- How to check Speaker and Mic circuit components
- Voltage checking for audio circuit
- LED backlight IC soldering practical
SECTION- 19
Jumper Setting and Secret Code
- What is jumpering and its required materials
- No incoming sound failure problem: earpiece or speaker jumper method
- No outgoing sound problem: Mic Jumpering Method
- Charging fail Jumper method
- What is Secret codes? How to use?
- Samsung secret code list
- Redmi and other model secret code lists
SECTION- 20
Smartphone Software Problem and its Solution
- Cellphone hanging problem, not booting problem, not power on cellphone and rebooting problem
- How to hard reset for various smartphone?
- How to update software for smartphone through odin mode?
- How to download firmware from internet?