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Course Details:

Course Name : CDLPS(Certified Desktop Laptop Printer specialist)
Qualification  : 12th pass / Graduates
:12/6/2( Normal / Fast / Super fast track )
Super fast track batch :10.06.2024 (Weekly 5 days)
Sunday Batch : 09.06.2024 (Tollygunge Brn)

Seat booking availalble Online /Offline  (Booking amount rs. 3000/-)

Job / Placement Support: Yes

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Various printer training and repairing  laptop repairing ang training chiplevel

Module - III - Electronics


  Working Concept of Resistor

  Types of Resistor

  Symbol, Unit, Denoting Letter of Resistor

  Resistor Color Coding Concept 

  SMD Resistor Value 

  How to test Resistor on motherboard 


  What is Capacitor?

        Types of Capacitor.

  Symbol, unit & Denoting Letter of Capacitor

  Series and Parallel concept of Capacitor

  Inboard and outboard Capacitor Testing 


Working Concept of Diode 

  How many types of Diode 

  Denoting Letter and Symbol of Diode 

  Bridge Rectifier Diode Concept 

  Testing of all types of Diode on motherboard 


  Concept of Transistor on motherboard 

  Transistor Types 

  What is Symbol and Denoting Letter?

  SMD and Normal Transistor Identification 

  Onboard Testing of SMD & Normal Transistor 


  Identification of Difference types of Coil 

  Working of Coil (Inductor) 

  Types of Coil

  Symbol, unit, Denoting Letter Concept of Coil 

  Ok Testing of all types of Coil 


  Concept of SMD Mosfet 

  Working concept of 3 pin, 6 pin, 8 pin Mosfet

  Types of Mosfet

  What is Denoting letter and symbol of Mosfet

  Gate, Drain, Source pin Details

  IC / Chip 

  Working Concept of IC/Chip 

Identification of Difference Types of IC 

  IC ok Testing on board 

  Diffrent IC Value on motherboard 


  Difference Types of Transformer 

Working of Transformer 

  Symbol, Denoting Letter Concept of Transformer

  Testing Concept of Transformer 


  Working Concept of Crystal

  Rtc Crystal

  Symbol, unit, Denoting Letter Concept 

Testing of Crystal by Multimeter and CRO Machine


  What is Fuse and fuse work? 

  Symbol, Denoting Letter Concept of Fuse. 

Testing and Repair Concept of Fuse 


  Types of Difference Thermistor 

  Working of Thermistor on board 

Testing Concept of Thermistor

  NTC , PTC Thermistor 


  How to remove all motherboard components like- capacitor, transistor, mosfet, crystal, coil, diode, fuse etc. ? 

  How to fix all electronics components on motherboard easily? 

  How to remove and fix all types of ic/chip from motherboard?

 Module-IV- Motherboard

 Introduction of Motherboard, Components of Motherboard, Block Diagram, Power Source Controller - Components of Circuit, ATX Power Voltage, Voltage Regulator Circuit, PS On Control Circuit Mosfet Detail- Structure of Mosfet, Identification of N-Channel and P-Channel Mosfet through Multimeter, Testing of Mosfet, Different between Transistor and Mosfet, Measuring and Testing of Mosfet, Inductor- Number and Type used on, Use of Power Mosfet. VRM Circuit & Logic Circuit Diagram,VRM Circuit Signal on South Chipset, Checking of VRM Circuit, Measuring of Vcore Voltage, Vcore Voltage testing on P4 Motherboard. General diagram of voltage stability circuit for chipset, Identification of Voltage stabilizer Circuit for motherboard chipset, Oscillation Driver IC by single power Mosfet, Amplifier IC by Mosfet Control algorithm,. Different Types of Stabilizer Circuit, General Question and Answer about stabilizer Circuits. Power Supply of RAM, Video Card AGP 4X, 8X source stabilizer circuits. Detail of Clock Generator Circuit, location, Testing Process, Trouble Shooting of Clock Generator Circuit. Super I/O Control Stage Working of BIOS, Testing and Fault Finding of BIOS, BIOS Beep Codes of Motherboard, Layout of DG31DH55TC, Block Diagram, Features, Detail of Panel and Header. Identification, Testing and Fault Finding of motherboard Oscilloscope Use to check all types of frequency from 1 kHz to 35 MHz and showing it on screen with Analog direction, Frequency Counter Meter Use to count all types of frequency & show it with digital figure. Solder Bath Use to remove the ram slot, pci slot, CPU socket of the mother board, BGA Rework Station Use to rebelling of graphic ic(GMCH & ICH).SMD, RAM Checker Use to check voltage and important signal on the Ram slots. CPU Checker Use to check Reset, Clock, Address, data and power good on the CPU Socket.PCI Slot Checker. PCI Express Slot Checker. Debug Card, Bios with Bois Programmer. Magnifier Glass. Over heat Checker- Use to check any shorting, every component properly mounts on board and to find out any number of electronics components.

Module- V (Laptop motherboard, LCD, Adapter, & Battery)

Introduction of Laptop, Difference between Desktop and Laptop, History of Laptop, Layout of Laptop, Different uses of Laptop. View Detail of Buttons and Parts of Acer Travel Mat 2400/3210/3220, De-Assembling of Laptop. Block Diagram of Laptop, Adaptor Stage, Battery Stage, DCIN and Detector Stage, Main System Power supply Stage, CPU Core Supply Stage, CPU Stage, Clock Generator stage, System Controller Stage, DSP Stage, and LVDS Stage. LCD TFT Stage, CCFL, RAM, ICH, Micro Controller Stage, I/O controller Stage, VHS, Super I/O controller Stage, Audio Driver and Audio Amplifier Stage, Key Board Stage, Mouse Stage, IEEE 1394 Stage, Adaptor Stage, Testing and Fault Finding of Adaptor Battery Stage, IC Detail used in Battery Stage, Working of Circuit, Testing and Fault Finding. Detail of Different circuits of Laptop(DCIN and Detector Stage, Testing and Fault Finding of DCIN and Detector Stage, Battery Charging and Power Selection Stage(Testing and Fault Finding5 VALWP and 3 VALWP Main System Power Supply Stage and Testing, Embedded Controller Stage, Flash ROM Stage. Embedded Controller Memory Stage, 1.5 VALWP and 1.8 VA (RAM) System Power Supply Stage and testing, 2.5 VP System Power Supply Stage and Testing, 0.9 VP System Power Supply Stage and Testing.CPU Fan Supply Controller Stage and Testing, +3VALW to +3VS Supply Power Control Stage, +5 VALW to +5 VS Supply Power Controller Stage, +3 VALWP to + 3 V Supply Power Controller Stage, +1.8 V to +1.8 VS Supply Power Controller Stage, +1.5 VALW to +1.5 VS Supply Power Controller Stage and testing of all. 1.05 VP System Power Supply Stage and Testing, Power Discharge Circuit Stage, CPU Core Power Supply Stage and Testing. Power On Circuit Stage and Testing, Power Button and Launch keys Button Stage and Testing, Clock Generator Stage and Testing, System Temperature Sensing Stage and Testing. CPU  Thermal Protection Stage and Testing, Hard Disk Drive connector Stage, Optical Disk Drive connector Stage and Testing. Internal Keyboard Connector Stage, Mouse Board Touch Pad Stage and Testing, Audio Section Power Supply Regulator Stage, Audio Codec Stage. Audio Amplifier Stage, Head Phone and MIC Jack Stage and Testing, Beep Sound Signal Controller Stage and Testing, USB Port Power Supply Controller Stage and Testing. LCD Panel Power and Connector Stage and Testing, Inverter Stage and Testing. External Display Port Stage and Testing Modem Daughter Card Connector Stage and Testing, Bluetooth nterface Stage and Testing, PC Card Bus Slot Stage and Testing, Network and Modem Jack Stage and Testing. LCD Panel, LCD Manufacturing Process, Motherboard Layout Top and Bottom View, power Diagram, Power on Sequence Diagram, Laptop Trouble Shooting.


  Volt in section 

  Step down section 

  Vrm section 

  Ram section 

  Chip section (Graphic Section, North Bridge, South Bridge Section) 

  Battery section (Charging & Discharging Section) 

  I/O (Input Output ) section 

  Bios section 

  Lan section 

  Sound section 

  Usb section 

  Vga section 

  Sata section 

  3.3v , 5v section 

  1.2v, 1.8v, 1.5v, 2.5 volt section 

  Odd section & Fan section 

  Lvds section ( LCD LED Panel and Screen section) 

  Keyboard section & Touch pad 

  Clock generator section 

  Wi-Fi section & Adaptor section



  No display problem solution 

  Dead motherboard problem solution 

  Automatic Restarting error repairing 

  Hanging problem of laptop and desktop 

  Charging & discharging faults of laptops 

  Dim screen faults solution 

  Automatic off problem 

  Date and time error 

  Blue screen 

  Heating faults of laptop and desktop 

  Fan not working faults of laptop & computer 

  Motherboard Shorting faults 

  Leakage problem 

  USB not working faults 

  Hard disk not working 

  Error from Webcam (camera) 

  Wi-Fi not working problem 

  Sound related faults solution 

  Network related problem 

  Laptop Touchpad not working 

  Keyboard not working faults of laptop & desktop 

  Bluetooth and card reader problem 

  White screen faults of laptops 

  Hinge repair of laptops 

BGA MACHINE: How to work on BGA machine for Chip Re-balling ( Graphic chip, Pch   chip, North bridge chip, South bridge chip) 
BGA CHIP REBALLING : How to create Bga ball using stencil ?
BIOS PROGRAMMER: How to use BIOS programmer for reprogramming Laptop bios chip,   Desktop bios chip, Lcd, Led TV Bios chips. 
CRO MACHINE: How to use CRO Machine for checking all signal on motherboard like   reset signal, clock signal, bios signal and frequency? 
FCM : How to use FCM for checking frequency of motherboard.A   frequency meter is an instrument that displays the frequency of a periodic electrical signal.
DC POWER SUPPLY MACHINE: Use of DC Power Supply Machine for varrious voltage   checking of laptops and Desktop motherboard. 
DIAGNOSTIC CARD: Use of Diagnostic card for faults checking with error code of   laptops and Desktop motherboard. 
CPU SOCKET TESTER: How to use CPU socket tester? 
RAM TESTER: How to use ram slot tester? 
USB tester : How to use USB Tester ?
EEPROM : How to use EEpom ?
PICK UP TOOLS: For Laptop motherboard only ?
COM,PS2 POST CHECKER : How to check COM & PS2 port ?
SOLDER BATH : How to use solder bath ?

Module : VI (Printer, Toner refilling & Scanner)

 What is printer and it’s use?

 How many types of Printers

 Use of digital Multimeter

 Basic electronic concept for printer logic card.

Repairing concept of Dot matrix Printer (DMP) 

  What is dot-matrix printer? 

  Dot Matrix Printer function. 

  Parts of dot matrix printer & how to identify ? 

  How to Assemble and dissemble of dot matrix printers 

  Working concept of all parts. 

  Faults of dot matrix part. 

  Solution of all faults of dot matrix printer 

  About dot matrix printer head working 

  About Printer Power Supply 

  How to do pin head refurbish 

  About dot matrix logic card & solution of card fault 

Repairing concept of Inkjet and Desk Jet Printer 

 Desk Jet and Inkjet Printer function?

 How to assemble and dissemble inkjet printers?

 Parts of inkjet printers.

 Inkjet Printer Parts Identification and printer troubleshooting?

 Faults of inkjet and desk jet printers

 Inkjet printers fault solutions.

 Logic card fault of inkjet and repairing solutions.

 Inkjet Printer power supply and solutions of faults.

Repairing concept of Inktank Printer 

 Inktank Printer function?

 How to assemble and dissemble inktank printers?

 Parts of inktank printers.

 Inktank Printer Parts Identification and printer troubleshooting?

 Faults of inktank printers

 Inktank printers fault solutions.

 Logic card fault of inktank and repairing solutions.

Repairing concept of All in One

 All in One Printer function?

 How to assemble and dissemble All in one printers?

 Parts of All in one printers.

 All in one Printer Parts Identification and printer troubleshooting?

 All in one printers fault solutions.


LaserJet Printer Repairing and Solution  

 Function of Laser Printers.

 Logic card block diagram concept of Laser printer.

 Laser printer logic card faults and solutions.

 LaserJet printers parts and Identification.

 Common fault of laser jet printers.

 Repairing solution of all types of faults 

 About laser Jet printers parts.

 Introduction of PCB Concept and Control Unit.

 About laser jet power unit and Lens assembly.

 Power section faults and how to repair it.


 How to do toner refilling and troubleshooting of faults related to toners. 

 Use of different types of tonner in printers. 

 Cartridge Refilling for desk jet and inkjet printers 

 Use of different types of cartridge for printers. 


 Faults of scanner, Copier.

 How to repair faults of scanner and copier?

Course Fee: Rs. 0.00
Success Stories
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I am Amartya Malik of Khanakul hooghly, student of IOGT, I had done the DUAL Motherboard Repairing course from IOGT and now Working at HIRE ZONE a .....
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Prasenjit Gorai from Assam, had completed course in Dual Motherboard with Printer, Hardware & CCTV, done al type of practical on board practice .....

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