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Case study 18 Hp u18 Part number:- Da0u83mb6e0 rev: e Problem:- No Display 💥Check first in 30 mili second am gos to 11 14 15. 💥then triger laptop amp gosto 650 680 650 caps lock blinking but no display, 💥this graphics board dout on gpu, but when laptop open Kiya to vga 1.5 v core ic. Ke MOSFET buri tarah se jaala tha or ic ki 3 number pin bhi, 💥 Remove MOSFET and ic clean board ,lekin dono ke track Jale the, Track ko Banya ic and dono MOSFET change Kiya , alhamdulillah display aa gaya, 💥 thanks Rafi sir

Board No-LA-D703P Yah board 3 din tak Maine pasta tha third Din Mera case clear Kiya Himmat Nahin chhodi. CPU Jinda to yah Jarur hoga. Is board Ne Kafi Kuchh Sikhaya. Yah laptop mere pass no power on ke case Mein Aaya Tha but Jab Maine laptop dissemble Kiya To Maine Dekha ki ismein se Kuchh component remove the graphics se non graphic hua tha 1. Maine ismein first coil incidence check kiya. Sabhi coil incidence okay tha 2. DC reading 0.125 Tak tha Fir restart ho jata tha. 3. FIR Maine voltage check kiye sari coil per even core Tak ban raha tha . 4. Sath mein Sir ke videos bhi dekh raha tha FIR Maine power good check kiye power good bhi okay the. 5. Ram ki retirement check ki RAM without Ram or Ram lagakar bhi ampere 0.125 Tak Hi Tha. Ram ki requirement check ki DRAM reset dso pe check kiya to ban raha tha. 1.3volt a rahi tha 3v volt but data clock Nahin a raha tha 5. Ismein BIOS bhi karke dekh li tab bhi same Ishu EC BIOS bhi karke dekh li Fir Bhi same Ishu. 6. FIR Maine BIOS chip change ki FIR program ki to ampere 0.265 Tak Gaya FIR Uske bad restart Hona Band Ho Gaya but suddenly shut down ho jata tha. 7. FIR Maine एक-एक Karke jumper pad ko disconnect Kiya main dekh raha tha ki ek bar DC Machine stable ho jaaye Maine Sare jumper disconnect kar Diye but 3.3 or 5 volt Ka Maine disconnect nahi kiya phir DC se power Di to ampere 0.1 1 9 Tak Gaya yah To Kuchh Jyada Tha FIR maine 8. Sare disconnect kiye 3.3 volt 5 volt bhi jumper disconnect kiye FIR Maine incidence check kiye donon side aur output section ka 3.3 volt ka input section aur output section 3 digit Mein but 5 volt ka check kar raha tha to output three digit Mein tha but input to 0.0 20 yah to Lo tha Uske bad Ek cylinder capacitor Laga tha vah remove Kiya aur uski Jagah 470 wala capacitor use Kiya Maine Uske bad DC Machine Se Maine 3 volt inject ki input mein to ampere 0.0 70 Tak ja raha tha कभी-कभी 75 ,80 FIR Maine IC ko remove Kiya Phir Mera 3.3,5volt ka section okay ho gaya Uske bad Maine jitne bhi jumper pad remove kiye the Uske bad Dobara Maine Sare jumper ko resolved Kiya. 9. FIR Maine DC machine on ki to Mera ampere 0.135 Tak ja raha tha aur FIR shutdown ho ja raha tha FIR Maine 10. Sabhi coils Ki Ek Bar fir se infidence check ki to mujhe 1.5 ki infidence Lo Lagi FIR Maine Dobara 1.5 ka jumper disconnect Kiya FIR DC reading 0.1 70 Tak Gaya aur DC machine ki reading stable Hogi. 11. Input side Mein Ek 6 leg wali ic Lagi hui thi usko Maine remove Kiya FIR Uske bad Maine Dobara infidence check kiya to infidence high Aaya FIR Maine Dobara resolved Kiya. 12. But same issue DC reading 0.135 tk or phir shutdown . FIR Maine graphic ke jo supply banaa raha tha MOSFET vah bhi remove Kiya . 4. Uske bad Dobara Maine DC machine on ki meri DC reading 0.6 57 or 0.734 tk ja rhe the . Or mere display be aa gya . Ismein Maine Ek chij Sikhi ki senior aapki help Jarur Karenge but kam aapko hi karna hai solution aapko hi nikalna hai Kyunki board aapke pass hai to aap hi Uske asali sarjan hai. Thank you Guru ji thank you seniors.

💥 Happy birthday to Dear The'Jalu Pawar, May the Almighty shower all the happiness & blessing on you. You are someone who enriches my life to no end, I am wishing the most lavish birthday possible! You are such a genuinely wonderful person and to have you in my life is one of the biggest blessings. There isn’t a single day that goes past where I would take you for granted; I appreciate you and everything that you do. Happy birthday and I'm sending all my love & blessings to you today!