Description

This course focuses on PCB-level repair and fault diagnosis for hard disk drives (HDD). It covers How to Repair Harddisk PCB and the basics of electronics, component testing, PCB tracing, and HDD circuit-level understanding. This is an advanced module perfect for students looking to specialize in hard disk board repairs, short-circuit tracing, and donor PCB identification.

What you’ll learn

• • Module D2.1 – Basic Electronics & Component Identification
    • Understanding basic electronics and multimeter usage
    • Types of circuits: open, closed, short, series, parallel
    • Working principles of resistors, capacitors, diodes, transistors, MOSFETs, switching sections
    • Resistor types, working, measurement (low/high value), and HDD PCB identification
    • Ceramic capacitor working and testing on HDD PCB
    • Fuse and coil working and testing on HDD PCB
    • Diodes and TVS diode functions and identification
    • Transistor and MOSFET role and location in HDD PCB
    • PCB repair tools demo: testing, soldering & desoldering
    • Common HDD faults caused by PCB issues
    • Understanding different power requirements in HDD PCBs

• Module D2.2 – HDD PCB Repair Concepts, Block Diagram & Fault Finding
  • Overview of HDD PCB layout and section block diagram
  • Power & protection section components: TVS diode, fuse, coil, 0Ω resistors, MOSFETs
  • MCU and data section: working concepts and key power signals
  • Buffer RAM and Flash ROM: types, working, and signal roles
  • VCM Motor Controller & Read Channel IC: signal flow and diagnostics
  • Head, voice coil, and preamp section overview
  • Live PCB tracing and offline/online fault finding techniques
  • Fault identification: shorts, open tracks, motor not receiving power, faulty switching sections
  • How to identify correct PCB numbers for donor PCB matching

Cancellation Policy

Course fee is non-refundable once training starts. Training is strictly professional and offline scheduled in lab time slots only.