MacBook Air Wont Turn On Repair – Logic Board Troubleshooting

For repair technicians, their repair work usually goes differently, since the problem can be fixed and solutions may be flexible. For our MacBook Air won’t turn on repair case today, to demonstrate the repair process detailedly, we start from the main power supply inductor. The fault is finally confirmed as to be caused by fuse damage due to short-circuited capacitor on the main power supply circuit. Let’s check the video to see how to troubleshoot MacBook won’t power on issue. 

Note: To demonstrate a complete repair process, we started from main power supply inductor in this video. Actually you can find the problem directly based on experience if you are an old hand.

Tools Used: 

• Hot Air Gun Rework Station
• Soldering Iron Rework Station
• Digital Multimeter
• DC Regulated Power Supply
• Straight Tweezer
• Paste Flux
• Solder Wire
• PCB Cleaner
• Anti-static Plastic Pry Bar
• Soft Brush