Lifting Veil on Macbook Repairs

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