Laptop Repair Training
[ online offline laptop repair course ]




Computer Repair Training

  • MODULE C3 : COMPUTER DEKSTOP BOARD REPAIRING TRAINING CONCEPT:

In This Foundation Module, You Will Learn:

  • Understand how desktop motherboard work
  • Troubleshoot problems in desktop board
  • Bios update process,
  • Foult finding thru multimeter, CRO

C3 : COMPUTER MOTHERBOARD REPAIRING TRAINING

Moduel 3.1 WORKING FUNCTION OF DIFFERENT CHIP AND MAIN SIGNAL TRACING

  1. Basic computer & Block diagrams of computer motherboards, frame structure
  2. Basic working detail of computer motherboards, power on signals
  3. SMPS basic working and different volt , pson, pgood, sus, 12v, 5v, 3.3v vrm
  4. MOSFETS & coil used, switching and linear output
  5. Testing & understand vrm section offline and online with multimeter & cro
  6. Understand Power on sequence of computer motherboard (K8V-MX)
  7. Clock generator chip, Clock crystal, different frequency , voltage x1, x2,
  8. Types of CPU socket and CPU, main signals of CPU( vid, vcccore, shdn, vron)
  9. Northbridge working concept, main signals, different power
  10. South bridge working concept, main signals, different power
  11. LAN and audio chip, main signals, connection with socket
  12. I/O controller working concept, main signals, different power
  13. PCI express /mini pci AGP slot, Testing signals on pci agp slots

Module 3.2 MOTHERBOARD FAULT FINDING

  1. Common fault chart and solution steps of computer motherboard
  2. Repairing steps of motherboard identify problems
  3. Debug card details, use of Debug card ,common error code
  4. Testing with multimeter, CRO different signals of motherboard
  5. Slot tester and use details, cpu, ram, pci, agp
  6. Reset signals detail , testing reset signals
  7. Bios update

Module 3.3 BGA REPAIRING AND REBALLING

  1. Washing, Cleaning, drying, Dry solder problem solution of motherboard
  2. Introduction to BGA machines, used, temperature setting,
  3. ICs rebelling, BGA ball arrangement, practice., Using BGA machine
  4. Removing and inserting different chips practice (video & step)
  5. Removing & replacing sockets , CPU , RAM, PS2, COM ETC
  6. DEMO FOR OTHER PRODUCTS AVAILABLE
  7. Chip and ics to be stock