WD professional course video from profix academy

admin

hi all profix academy members
Now you can get WD course video from profix academy
for more details contact us

Western Digital Repair

Course Material
==========
profix academy

Class- 1​

HDD- PCB

• Type of WD PCB.
• L-shaped, Royl PCB.
• HDD Board Circuit.
• Diagnose PCB, Test point.
• Check MCU Chips.
• ROM IC (internal & External).
• SOC PCB.
• Overview IC Motors.
• Equivalent of PCB.
• USB HDD overview.
• General theory for Convert USB PCB to SATA PCB.
  
  

Class – 2​

HDD – Structure

• HDD From inside.
• Heads Structure, addressing.
• LBA, CHS Addressing.
• Zones, Tracks, Sectors.
• SA Structure.
• SA Tracks, modules.
• Servo, Servo Sector.
• Wedge, Wedge Line.
  
  

Class – 3​

ROM (Structure & Analysis)

• ROM.
• Rom modules.
• Head MAP (Module 0A in details).
• Edit 0A for clicking HDD.
• Rom Modules Map analysis.
• Module 0B, 20B Structure.
• SA Copy Region.
• Module 0D analysis.
• Adaptive mod 0x47 structure.
• Head DCM, Media DCM.
• MRJog, Preamplifier in details.
• SA translator mod 0x30 analysis.
• Mod 4F analysis and usage.
• Regenerate Rom in old Hdd Royl 0B, Royl 20B.
• Convert 192 to 256 Rom.
• Repair Dead PCB after write Rom.
  
  

Class – 4​

SA Structure and Analysis

• Read & Write SA Tracks.
• Read & Write SA Modules.
• Module Analysis.
• Dir Module 0x01 Analysis.
• Configuration Module 0x02 Analysis.
• Zone Map 0x03, 0x04 analysis.
• F-list 0x0c analysis.
• Overlays module analysis.
• ATA Modules.
• Load Overly to RAM in all Family.
• Choose correct overly.
• Defect module analysis.
• P-list 0x33.
• P-list Translator 0x31.
• G-list 0x34.
• G-list translator 0x32.
• SA Defect list 0x35.
• SA Translator (in Rom) 0x30.
• Track Defect List (T-list) mod 0x36.
• Adaptives module analysis.
• Modules 40, 41.
• Module 49,4a.
• SF Logs modules EXX in details.
• Arco Log modules 20XX in details.
• Functional modules in details.
• Finalizing SA Analysis.
• 
  
  

Class – 5​

RAM operation

• RAM Operation.
• Load File to RAM.
• Edit DIR in RAM.
• Write New FW Using RAM.
• Edit Configuration module in RAM.
• Clear password on RAM.
• Edit Head Map on RAM.
• SF on RAM.
  
  

Class – 6​

Defects operation & Translator

• Edit p-list.
• Edit G-list.
• Rebuild translator.
• Rebuild p-list.
• Format with p-list.
• Quick Format with p-list.
• Format SA.
• Quick Format SA.
• Slow Responding auto and manual fix.
• 
  
  

Class – 7​

Self – Test

• What is self-test?
• SF Script and general structure for 0x28.
• Prepare hdd for SF.
• Test SA for errors.
• Run Full SF.
• Edit SF Script.
• Build Customized Script.
• Build Repair bad sector Script.
• Regenerate p-list by SF.
• Regenerate T-list by SF.
• Servo Calibration.
• Wedge Calibration.
• Regenerate Factory Script.
• Correct SF Parameter.
• Unlock SA in new HDD.
• Online and offline SF.
• Diagnose and Repair SF Error Failure.
• Clear Debug Stop on RAM.
• Clear SF Error Counter.
• Run SF on RAM.
• Universal Scripts.
• Notices for high success rate.
• SF in SA.
• Repair bad Sector in SA by DF.
• Recover Errors that prevent Rebuild p-list after SF Finish.
• 
  
  

Class – 8​

ARCO – in details

• What is ARCO?
• HDD Calibration.
• MINI Arco – Arco 44.
• Generate Adaptives by ARCO.
• Full Arco.
• Full Arco and bad sector Repair.
• Arco 6F.
• Arco 6A.
• Arco 6B.
• Arco 69.
• Regenerate TPI, SPT and adjust Capacity by Arco.
• Arco 4A.
• Arco 70.
• Drive validation TEST (DVT).
• Arco parameters in details.
• Extract original Arco parameters.
• Arco in new PCB in details.
  
  

Class – 9​

Repair HDD Problem

• Start Examine HDD.
• Analysis of problem to choose perfect solution.
• Repair HDD Bad Sector.
• Repair SA Bad Sector.
• Fix ECU Unsafe error.
• Fix Disk Dam Error.
• Fix RSC no Conti buffer.
• Fix Busy HDD.
• Fix Slow HDD.
• Fix all 0GB (0 LBA) Hdd.
• Fix undetected HDD.
• Fix Clicking HDD.
• Fix noisy HDD.
• Head Test on SA.
• Determine bad and weak heads.
• Fix Regular bad sector.
• Fix Green bad sector and bad adaptive.
• Other problems in WD drives and solution.
  
  

Class – 10​

Heads, Zone, Tracks, modules

• Test heads in SA zones, UA.
• De-pop Faulty head in all Family.
• Depop head 0 and edit adaptive.
• Edit TPI, CAP after cut head.
• Weak head and bad sector.
• Bad zone.
• Cut bad zone.
• Format special zone.
• Write CHS.
• Erase Tracks.
• ABA VS ID.
• Determine SA bad sectors.
• Module offset shifting.
• ADD new module.
  
  

Class – 11
​

HDD Refurbishing

• Introduction to hdd refurbishing.
• SA Format.
• Sequence to write new SA.
• Refurbishing using any original FW.
• Repair Rom for Refurbishing.
• Create universal scripts.
• Extract original parameter.
• Steps to start Refurbishing in details.
• Refurbishing using factory FW.
• Refurbishing by auto-Trex.
• Secrets for high Rate.
  
  

Class – 12​

Other threads you should know in WD & conclusion

contact us Now

Whatsapp: +20 1285870730
Mail : profixac@gmail.com
Skype : hpwlab_co