Hp 15a last-c701p
Problem- dead
Standby section OK 5v aur 3v OK
DC jack light not glow
Ene q9022 programing io laga tha to socha io programer nahi hai yes board hamse nahi ho payega bios flash kar Ke dekh liya nahi hua to Maine io.ki reqairment check kiya to pin no 37 par ecrst 3 v nahi ban raha tha back trace kiya to ecrst line me ek capister likage tha nikal diya iske bad adopter Latasha ecrst bhi ban gaya aur DC jack light bhi glow ho gaya board on ho gaya display bhi a gaya thanks sir ji

Samsung m/b SCALA3-15/17CRV
DC JACK Canact Show 0.002
check 19 volt Not pass change 1 mosfat voltage Not Pass change Mosfat Laptop on but No Display
Program Bios job don

💥 30 milli second is new invention done by AFS SOLUTIONS..
💥 in 30 milli second you can find whether
*the board is short,
*repairable
*or dead..
💥 No need to waste time,
💥 Exact the dc reading will tell which section to work or return for non repairable..
💥 No gadgets or DSO required, it needs 30 milli second patience & practice, talent not for sale, only you can win from AFS SOLUTIONS..
💥 INSHAH ALLAH ill teach my NIGERIAN BROTHERS..

Dell inspiron 3148
Mb part no= 13321-1
Problem = not power on and also no 3.3v/5v generate.
Some other engineer Chage 3.3v/5v (51225) ic and also reprogrammed the bios.
First checked vin at clr is OK. Check coil value also OK. Then check the 3.3v/5v ic requirements. Vin OK , vreg3 and vreg5 also ok. Then check en1 for 5v not present but en2 for 3.3v is present. But no output at 3.3v coil. Then check also io s5_en is 3.3v present. Check en1 impedence is 350 OK. But no voltage here. I am totally confused.
Then take some presences and just remember practical workshop. Idea come in mind. 30 mili second Ka fanda. 3.3v/5v is generate but go back. Then check DC to DC and found 5v_s0 at pin no 14 is shot. So pull out the ic and check 3.3/5v is now OK. Then give 3v to pin no 14 line and found one capacitor is heated. So pull out this and my job is done. Display also come.
Thanks to Rafi sir for give me knowledge that how to repair a board. My confidence is growing.

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💥 ALLAH AAP SAB KO KHAIR-O-AAFIYAT DE

Above HCL laptop was returned unrepaired by 2 laptop repair centers due to old model n no schematics available , I took it as challenge n rcvd it keeping the customer seated in my office , closed my eyes for a second n rmmbr our Super Schema Guru's Mantra "No investment or low investment" 1st checked battery connector for sda scl (laptop in packed Condition) n got 50℅ sure that it can b repaired , 2nd checked power button for 3v it was also ok got 100℅ assured that it will b repaired , checked pwr btn hi-lo-hi wasn't der , Common problem in HCL Boards , power switch issue , solution without changing or swapping inspired n blessed by my Guru completed the case in 15 minutes without any investment n without removing or changing any component , Thanks Respected MD Rafi Sir🙏🙏🙏

Board msi.........
Problem without ram 1000 amps with ram 350 amps .... Core 2 Duo must goes more then 1 amps.... Sir told in DVD.....
Nvedia ic included... I thought may graphics issue.... But for testing... I purpose opened.... It's my friend nec token... I no need of bga machine... I just used sticker cutter.... Place 330uf, 4 caps.... Please double check caps polarity.. I already fried on Samsung chipset..... I no one is perfect.. But my boss is always perfect.... In half an hour case done....
Proof see photos👇👇👇

Thoshibha c640 not getting on
In DC Power reading 0.007,0.005 then 0.002
In coil value all or ok but
Sb sections voltage drop from 5v to 1v and 3.3 coil 3v to 1v
All mosfet is good but 1 capacitor is showing mm reading 0.47 finally I I'll remove that cap board getting on and display also coming all credits gosto Rafi sir 🙏thank you sir

💥 This is just sample of AFS students Case studies..
💥 May be more than 1000 available in AFS CASE STUDIES group

💥 You can join with your secret nos also..

Model govt laptop full Nvedia....
Pcb broken near Dc jack... First mosfet disaaperd. Lvds track full damaged. That's why 1 service centre gave back to dealer. I took challenge.it takes more than 15 days because of office schedule... Daily 🌟 half an hour work. Today I got leave for some health issue. Mean while I closed this case today. I charged more than 2000 thanks
Rafi sir... To give me such confidence in my repair life. Please give us small space in your big heart. ♥️♥️♥️

Case study 1: HP Pavilion DV6 AMD (Quanta LX89)
Problem: not power on with Battery, not charging but work with Adapter
Findings: check battery pins 3 MBDATA (3V), check pin 4 MBCLK (0.134v).
CHECK impedance PD2 to pin 3 batt resistors ok
Check impedance PD1 to pin 4 batt resistors ok
check impedance PD2 to pin 78 (I/O) ok
check impedance PD1 to pin 77 (I/O) ok
check R389 i/o voltage 3v ok
check r390 input 3v ok but output 0.134v not ok, change resistor same.
Then trace to a Zener diode PD1 (discover PD1 is leaky, replace it)
Booooom, POWER WITH BATTERY AND NOW CHARCHING.



Case Study 2: Acer Aspire One D270 (Quanta ZE7) DA0ZE7MB6D0
Problem: No power ON
Findings: check VIN line ok
Check standby IC requirement impedance and voltage all ok but no 3V and 5V at the coil.
Notice PC46 capacitor is leaky, remove and replace. Boooooooooooom
3V and 5V comes at the Coil, press power bottom, display comes.
Thanks to MD Rafi for impacting Knowledge. More Blessings…

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