Case Study-06
NM-A311
Problem -Dead
Dc Reading 0.020
Open laptop and Check someone already worked on stand by Sections
First i check all coil impadance all coil ok only 5v coil showing Short
Then inject 4v PJ406 pad and check any heating components found 1 cap short near by U2 Ic replace cap and check coil impedance 5v coil ok
Check Dc reading 0.165 laptop cannot on 😥 remove CPU heat sink and Reflow PWM Mosfet check dc reading 0.016 press power button boom Laptop on and display 💥💥💥
Thanks to Md. Rafi Sir ( Guruji ) For this confidence and and your Motivational Teaching
Thanks AFS Solution ❤️