Course Details

Basic Electronics & Hard Disk PCB Repairing
(if hard disk not spin up, spin up and stop, short circuit, computer not start, head voice, pcb overheated, ROM, etc)

2.1. Basic Electronics

1. Basic electronics
– Types of Circuit
– Types of Current
– Multimeter Used
– Testing
2. Electronics components working idea
– Resitor
– Capacitor
– Diode
– Transistor
– Mosfet
– Switching section etc…
3. Resistor
4. Ceramic Capacitor
5. Fuse/Coil
6. Diode, Tvs Diode
7. Transistor, Mosfet
8. Pcb Repair Tools Demo
– Testing Identify
– Soldering & D-Spldering Components
9. Common Problem in Hard Disk due to Printed Circuit Board Fault

2.2. Hdd PCB Repairing Concept

1. Introduction to Hard Disk PCB, Block Diagram Section of Hard Disk, Power Connection
2. Different Power Required in PCB
3. Power & Protection Section
– TVS diode
– Fuse
– Coil
– 0ohms Transistor
– Mosfet
– Other Smd Component Working and Power Detail in Hard Disk
4. DC to DC converter
– Switching Section
– Linear Section
– 1.5, 2.5, 3.3v Supply
5. MCU Section, Data Section
– Chip Working Concept Power Main Signals
6. Buffer RAM, Flash ROM Section
– Working Concept Types & Main Signals
7. VCM Motor Controller & Read Channel Chip
– Working Concept and Main Signals
8. Head, Voice Coil, Pre Amp Section Head
9. Live PCB Tracing
– Different Volt of PCB
– Fault Finding of Hard Disk PCB Online Offline
10. Identify Problem
– Shorting
– Open PCB
– Motor Not Get Power
– Switching Section Not Work
11. Identify Hard Disk PCB no for Donor of PCB
– Matching Criteria Samsung, Seagate, Wd, HItachi, lbm, Mactor
12. Points to notes when Replacing PCB from Patient to Donour
13. Replacing Component and IC’s of Hard Disk
– Demo Video’s
– Understand Different Hard Disk PCB
– Circuit Troubleshooting Chart
14. Websites Links for Purchasing Donor PCB