Professional MacBook Repair Courses by

Master Liu

Basic Course

Course Outline

Hot air gun over MacBook motherboard
  • 2010-2020 MacBook models and motherboard configuration introduction
  • Introduce the MacBook motherboard diagram and architecture
  • Use of circuit diagrams and explanation of special names
  • Explain the control circuit of charging chip, power chip, SMC, T1, T2 chip
  • Explanation of common faults and maintenance methods of MacBook

Basic Course

$200

For beginners.

Intermediate Course

Course Outline

Live session of Master Liu teaching session over Zoom
  • Explain the various power supply methods of MacBook
  • Explanation of working conditions of SMC, PCH, TPS51980, ISL6259, ISL9239 chips
  • SMC, PCH standby working conditions
  • MacBook Air A1466 standby timing analysis
  • MacBook Air A1466 power on timing analysis

Intermediate Course

$300

For intermediate technicians.

T1 & T2 Chip Courses

New

Course Outline

T2 chip
  • MacBook Pro A1706 USBC 5V-20V boost circuit analysis
  • Repair method for MacBook 5V-20V with T1 chip not boosting
  • MacBook Pro A1989 T2 chip 5V-20V boost circuit explanation
  • 2018-2020 MacBook standby circuit with T2 chip explained
  • 2018-2020 Working conditions of NAND and PCH for T2 models
  • 2018-2020 T2 chip MacBook power on circuit explanation
  • T2 chip model restoring error code 4005, 4013, 4014, 9 and other code repair method
  • Macbook with T2 chip can not enter DFU mode repair method
  • MacBook common faults and experience sharing

T1 & T2 Chip Courses

$500

Advanced Course

Course Outline

Live session of Master Liu teaching session over Zoom
  • Logic board working current to determine fault point
  • Repair ideas for MacBook not turning on
  • Repair ideas for MacBook power failure
  • Repair ideas for MacBook not charging
  • Repair ideas for the display part of MacBook
  • Repair ideas for MacBook peripheral problems
  • MacBook upgrade memory 8G, 16G and upgrade NAND method
  • MacBook repair cases and maintenance experience sharing

Advanced Course

$500

For advanced professionals.

Released in 2021

Lifting the Veil on MacBook Repairs

Master Liu’s latest book. Available in English.

Book cover

$99

Price includes worldwide shipping.

  • MacBook Power On Diagram

    1. A1502 power on sequence diagram
    2. A1706 power on sequence diagram
  • MacBook Fault Repair Method

    1. Repair method for current stop after starting up
    2. Repair method for fast fan speed
    3. Repair method for green light failure
    4. Repair method that automatically jumps to the update error interface
    5. Repair method that doesn’t recognize the hard disk
    6. Repair method Type C 5V without boosting 20V
    7. Repair method without backlight
    8. Repair method that can’t be used for Type C connector
    9. Repair method that can’t be used with Touch Bar
    10. Repair method that the trackpad and keyboard can’t be used
  • MacBook Classic Repair Case

    1. A1990 cannot boot up with water damage
    2. A1932 cannot boot up with a shorted issue
    3. A1708 no sound from left loudspeaker
    4. A1707 one of the USB-C port cannot be used
    5. A1707 cannot display
    6. A1534 2017 model cannot be turned on
    7. A1534 USB-C cable can be recognized by only one side
    8. A1708 5V does not boost 20V
    9. A1708 cannot be turned on after water damaged
    10. A1708 no backlight after water damage
    11. iMac A1418 cannot be turned on
    12. A1706 couldn’t be turned on
    13. A1706 couldn’t wake up when sleep mode
    14. A1706 does not turn on at low current
    15. A1706 standby is abnormal and does not turn on
    16. MacBook A1465 2014 model WiFi issue
    17. MacBook A1465 2014 model cannot be turned on
    18. A1398 ring alert
    19. A1466 2016 model current stayed at 0.126A
    20. A1466 uses battery display power down
  • MacBook Common Fault Repair

    1. T2 chip MacBook common fault
    2. Stuck current common fault
    3. Slow response when entering macOS system common fault
    4. Repeated restart and power failure common fault
    5. A1708 water enters the common fault of no backlight
    6. Can’t wake up after sleep common fault
    7. Three beeps when power on common fault
    8. A1534 does not boot common fault
    9. A1502 2015 model common fault
    10. A1425 does not boot common fault
  • Common Abbreviation

  • PWM Chip Common Pins Definition

UFIX U-BOS2

Mac Firmware Tool

Book cover

$315

Price includes worldwide shipping.

Learn More
  • Introduction

    1. Using LED color screen, the display operation is more convenient.
    2. Supports Type_C, Micro USB cable advanced four AAA batteries power supply.
    3. Includes a host, 4 writing sockets, 1 universal board, and USB disk.
    4. The “SPI ROM” data of all Mac serial models from 2008 to 2020 are written inside the U-BOS2 host.
  • Usefulness

    1. Can solve the problem of MacBook motherboard not booting, not displaying, freezing, blue screen and other problems caused by BIOS data problems.
    2. Can be used to remove EFI lock, Firmware lock and PIN code lock of 2008-2017 MacBook.
    3. Can be used to write the original data of 2018-2020 T2 or M1 chip ROM.
      Used to judge whether it is not powered on due to ROM data.
    4. Can be used to replace the ME inside the BIOS data.
      2013-2017 MacBook, after replacing the CPU, PCH or BIOS chip, if the ME data is not replaced, the boot display will be very slow.
    5. Can be used for 15-inch MacBook Pro to turn off the independent display function "EG To IG".
      Solve problems such as no display, blurry screen, crash, power failure, etc. caused by graphics card, video memory or PCB layer problems.
  • Applicable Models

    • U-BOS2 is suitable for all Macs from 2008 to 2020, including iMac, Mac mini, MacBook Pro and MacBook Air.

FAQ

Can’t find the answer you’re looking for? Email us at [email protected].
What happens during class?
Master Liu teaches live over Zoom every day. It is interactive so you can ask any questions or bring your work for his critique.
What language is the course in?
Classes are conducted in English.
What happens after I purchase the course?
You will receive a confirmation email. Before the course starts, you will receive instructions on how to join the class.
What do I need for the course?
Just a computer or smartphone with internet connection. We recommend earphones with a microphone.
What if I am not able to attend a class?
Unfortunately, no make up classes are allowed.
Can I cancel if I change my mind?
Cancellations are allowed at least 2 days prior to the course start date, but there will be a $100 cancellation fee. Refunds will be processed in 14 working days.

About Master Liu

Based in Shenzhen, Master Liu has specialised in MacBooks repairs since 2011. Said to be a master among masters, Master Liu wrote the first and only MacBook repair manual in China.

He owns a popular repair shop in Huaqiangbei and teaches local as well as international students in China. You now have the opportunity to learn directly from him as he takes his classes online!

Subscribe to Master Liu’s YouTube channel to watch advanced repair techniques previously known to Chinese technicians only.