ELECTRO IT WORLD
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JOIN THIS CHANNEL FOR LAPTOP DESKTOP CHIPLEVEL REPAIRING NOTES, VIDEO, SCHEMATIC DIAGRAM , BIOS , REPAIRING TOOLS, CASE STUDY, CHIPLEVEL JOB RELATED INFORMATION
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MOSFET ASSORTED BOX.pdf
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LAPTOP MOTHERBOARD COMMON MOSFET ASSORTED BOX VOLUME-2 LATEST GENERATION
TOTAL 21 TYPES OF MOSFET
TOTAL QTY - 105 PCS
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NOTICE: NEXT BATCH FOR LAPTOP REPAIR TRAINING BASIC TO ADVANCE LEVEL , DURATION- 3 MONTH, COURSE FEE- RS. 25000/- , TIMING 10:00 AM. CLASSES WILL BE STARTING FROM 8TH NOVEMBER 2021.

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COURSE CONTENTS -
BASIC ELECTRONICS, APPLICATION OF ALL ELECRONIC COMPONENTS, VOLTAGE DIVIDER, MOSFET WORKING CONCEPT, MOSFET SWITCHING CONCEPT, DUAL MOSFET CONCEPT, BUCK AND BOOST REGULATOR, LDO, LINEAR REGULATOR CONCEPT ( 10-15 DAYS, TRAINER - SANTOSH KUMAR THAKUR, B.E MECHANICAL ENG.)

BASIC LEVEL PRACTICAL TRACING OF ALL LAPTOP CIRCUIT, BASIC LEVEL SCHEMATIC CIRCUIT EXPLANATION, BIOS PROGRAMMING, BASIC LEVEL LAPTOP TROUBLESHOOTING. SOLDERING DESOLDERING ( OPTIONAL) ( 15 TO 25 DAYS, TRAINER: SANTOSH KUMAR THAKUR/ MD. SHOIB)

ADVANCE LEVEL LAPTOP CIRCUIT SCHEMATIC EXPLANATION UPTO 10TH GENERATION ( QUANTA/COMPAL/WISTRON) , BIOS EDITING, DSO - AUTO & CAPTURE MODE, BOARDVIEW, CLEAN ME/CSME REGION CONCEPT, PASSWORD REMOVAL/UNLOCKING TRICKS, THINKPAD BIOS UNLOCKING PATCHING METHOD, USE OF ALL TYPE OF BIOS EXTRACTOR, IO PROGRAMMING, ASUS/ACER/LENOVO ONBOARD RAM DISABLING, BOARDVIEW ETC. ( 50 - 60 DAYS, TRAINER: SUBODH KUMAR THAKUR & MD. SHOIB)

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JOB ALERT
Chip Level Laptop Repair Technician
ACTIVE TILL 27-DEC-2021
₹10000 - ₹25000 | New town
Company
TECHYUGA REAPIR AND SALES LLP
Description
• Laptop Technician Ke Paas Alag Alag Brand Ke Laptop Ki Knowledge Honi Chahiye
• Proper Maintenance Work Aur Repair Karne Aana Chahiye.

MUST HAVE Chip Level Laptop REPAIR KNOWLEDGE.

An Excellent Knowledge Of Technology
Good Communication Skills
The Ability To Listen To And Follow Instructions
Excellent Practical Skills
The Ability To Solve Problems
A Willingness To Work As Part Of A Team
The Ability To Concentrate For Long Periods Of Time

Gender
Male
Education
12th Pass
English
Thoda English
Experience
1 - 10 Years
Work days
Monday - Saturday
Work timings
10:00 AM To 07:30 PM
Computer Hardware Knowledge
Software Installation
Computer Hardware Repair/Maintenance

Block B, 1st Floor, Suraj Apartment New Town, Action Area 1 Opposite Of DLF IT Park 1, Action Area I, Mohishgot, Kolkata, West Bengal 700156, India
+91 90888 82229
ELECTRO IT WORLD pinned Deleted message
CASE STUDY 1/100

ASUS LAPTOP (7TH GEN.)

PROBLEM- DEAD

AMP- DC MACHINE ME LAGANE PAR 0.035 THA, JO KI 7th Gen. K HISAAB SE ZYADA THA,

MAGAR IS AMP SE YE TO CONFIRM THA K VIN OK HAI AUR STEP DOWN BHI OK HAI,

TAB SOCHA PHLE JO AMP THODA ZYADA AARHA USKO NORMAL KRNE KI KOSHISH KI JAYE

TO SABSE PHLA KAAM USB IC KO HATAYA, PHIR AMP CHECK KIYA TO 0.012 HO GYA, JO KI HONA CHAHIYE THA,

TRIGGER KIYA BOARD ON HUA AUR DISPLAY AAGYA,

PHIR ISME M.2 SSD JISME ISKI WINDOWS THI, KO LAGAYA TO ON KRNE PE 0.030 JAKR OFF HO RHA THA, M.2 SSD KA STICKER HATAKR USKO DEKHA TO EK CAPACITOR PE CORISON BAHUT ZYADA THA, US CAPACITOR KO HATA DIYA. THEN SSD CONNECT KIYA,

NOW DISPLAY CAME AND WINDOWS BHI BOOT HO GYI

TIME TAKEN - 10 TO 12 MINUTES.

😊
CASE STUDY BY AHMED MAKKI ( LKO, UP)
Case Study (2/100)
Toshiba Laptop
Board part. BLBD

Problem- When trigger with battery and adopter, it was showing shorting in dc machine, only on adopter or only on battery working fine.

Solution- Check vin circuit and found second mosfet was short from drain to source, it was 3 legs P- Channel mosfet.

Mere paas same 3 legs ka P channel mosfet nhi tha, then I took 6 legs p channel mosfet, and solder 6 legs mosfet according to it's gate, drain and source. Problem solved.
😊😊😊
CASE STUDY (3/100)

Board part No. LA-A992p

Problem- Not charging.

Sir ye board hamari market ke sabse famous repairer k paas g jo 15 saal se zyada time se repairing kr rha unke paas gya.

Unhone 3 charging ic badli, IO badli, BIOS ki and dso se data, clock check kiya but nhi hua.

SOLUTION - Sir hmne aapki di hui knowledge k according charging ki requirement check ki,
Vin Ok
Acdet ok
Regn ok
Acdrive ok
Acpress ok
Cmsrc ok
Acn ok
Acp ok
Boost ok
magr ILIM pin pe 0 tha, is pin pe voltage divider tha, jiske according 0.70 mili volt aana tha, isi ILIM pin pe ek capacitor tha jo ki ek side se gnd se connect tha, usko hataya, to ilim pin pe exact meri calculation k according 0.70 mili volt agya, battery lgayi charging hone lagi.

😊😊😊😊

Special thanks to you Sir. Case study by AHMED MAKKI (LKO, UP)
ACDRIVE MISSING, CULPRIT - CLR CONNECTIVITY
HP LATEST GENERATION " HP ENDPOINT SECURITY CONTROLLER PROBLEM" SOLVED BY PATCHING MEHOD WITH LBE GREEN LABEL
THANKS TO HARSHAD PATEL SIR

After the patched file with lbe++3.1.0 (green label)

1. First boot time approx 4 minutes

2. Restart 32 Times

3. Finally enter the cmos setup and add all dmi information