Model No: La-9104p 💻 Problem: Dead / No power❌ ( With high ampere _ 7V : 0.092A)😳

Model No: La-9104p 💻 Problem: Dead / No power❌ ( With high ampere _ 7V : 0.092A)😳 Solution:📖 1.Charing ic Overheating 🔥 2.Change ic. Now ampere goes 0.012A☺️ 3. Press power button but Laptop not getting on🤔 4. Check step_down section working ok 3.3v / 5volt ok✅ (EC_ON Working means EC_VDD0 OK) 5. Check i/o A-) AC_IN ok✅ B-) EC_RST ok✅ C-) EC_VDD/VCC ok✅ ( power supply for #Digital panel) D-) PWRBTN_IN Status ok (H_L_H) E-) But PWRBTN_OUT ❌ Continue High. No triggering F-) Flash I/O (9012) 2MB Bios &. 4MB bios But same status. Also try with new I/O but Same problem 🤨🧐🧐🧐🤨🤨🤨🤔🤔🤔🤔 G-) EC_AVDD ok✅ ( power supply for #analog power panel) H-) AGND missing😳❌ ( power Ground for Analog panel) 6. AGND ( io pin no 69) connected coil is fault 🎣🎣 7. Remove coil and short the track with ground.🎯 Laptop working fine 😌 Copyright Case Study For Learning