Today class login id 821-282-805
link 👇
https://global.gotomeeting.com/join/821282805

classs will start at 10pm night.

💥 Class started join fast

💥 ALHAMDULILLA 200 members registered.

💥 Case study by IFRAJ

💥 Biggest laptop chip level SEMINAR in INDIAN HISTORY

💥 Aya ni to seeka ni, seeka ni to Aya ni

💥 Thanks to Raja bhai

💥 Chak de vatte puttar Tussi naal great
💥 Happy birthday to my REHBER, ALLAH AAP KO LAMBI UMAR de, kamiyabi de,TARAKKI DE

super 20

CASE STUDY NO 1
MODEL NO- CEDAR 13269-1
PRIBLEM - NO DISPLAY
1) Motherboard observations kiya patachala ki pahile kise us motherboard kam kiya hai

2)Dc reding - 30

3)Coil ki values check kiya reading ok

4)Voltagees check kiya to ram ka voltage nahi banrahatha
Ram section yaha kam liya tha check to ram ic our 2fet change kiya tha ic ki voltages check kiya
Pin 12 pe 5v tha
Pin 16 s5 3.3v
Pin 17 s3 4.8v
Pin 6 vref 0.27 tha
Vref pe pc4902 pf cap missing tha dusre m/b same cap lagaya check kiya to same reading tha cap betya huva cap ka drysoldring check kar raha tha to bajuka cap pc 4903 corvtion tha to uska reading check kiya to 259 dikha rahath to o change kiya our check kiya
Boom motherboard ko display aagya
Thank you 😊RAFI SIR😊