Rajkumar Kushwaha

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👨‍🔧हुनर है तो कदर है👉( MULTITECH INSTITUTE)
CALL🤙8178577741
AC PCB REPAIRING COURSE
LAPTOP REPAIRING COURSE
ELECTRIC VEHICLE REPAIRING COURSE
MOBILE REPAIRING COURSE
LED TV REPAIRING COURSE
INVERTER REPAIRING COURSE
CCTV,PRINTER TRAINING

03/05/2026

Today’s Topic in Fridge Washing Machine Class | Semi Automatic Washing Machine Wiring Practical | Wiring Diagram aur Connection Step by Step सीखें | Washing Machine Repairing Course | Appliance Training Institute

📍 Multitech Institute, New Delhi, Tilak Nagar
📞 Call For Course Information – 9599704405

03/05/2026

Ac Gas Refill kaise kare? | Airconditioner service | Gas Kaise Refill kare? | Ac Repairing Course | Airconditioner Repairing Course | ac mechanical course

02/05/2026

How to Check Coil with Multimeter in Mobile PCB | Mobile PCB me Coil kaise Check kare Multimeter se सीखें | Fault Finding & Testing Step by Step Practical | Mobile Repairing Course | Chip Level Training Institute

📍 Multitech Institute, New Delhi, Tilak Nagar
📞 Call For Course Information – 9650138893

02/05/2026

HVAC Training | VRV VRF Pratical Class | Airconditioner Repairing Course | Hvac Course | Live pratical Vrv vrf Class

01/05/2026

Laptop रिपेयरिंग करना सीखें बेसिक से एडवांस लेवल तक | लैपटॉप चिप लेवल कोर्स

01/05/2026

एसी बोर्ड ख़रीदे होलसेल में | bulk में Ac Board Available AC PCB BOARD AVAILABLE | ALL BRAND AC PCB BOARD | AC BOARD BUY |

01/05/2026

Washing Machine Repair | Washing machine Live Pratical Class | Washing machine Repairing | washing machine Training institute

30/04/2026

Ac Repair करना सीखे | Inverter ac pcb training institute | ac pcb Repair course | lesrn ac pcb repairing | Pcb Training institute delhi | ac pcb Service center | ac mechanical course | fridge Repairing course | washing machine course

29/04/2026

Ev Hub Motor Rewinding step by step | Hub Motor Winding करने का इसी तरीका | इलेक्ट्रिक व्हीकल की मोटर करना सीखें | Ev Course | EV Training institute

28/04/2026

AC PCB Repairing Course | Multitech Institute
Call/Whatsapp - 9599704405

AC PCB में Phase Detection Circuit का काम यह check करना होता है कि AC supply सही तरीके से PCB तक आ रही है या नहीं। यह circuit mainly Phase aur Neutral ki presence aur timing ko detect karta hai.

AC Repairing Course | AC Repairing Institute | AC PCB Repairing Course | AC PCB Repairing Institute | AC Repairing Course in Delhi | Multitech Institute

🔹 जब AC supply PCB में आती है, तो Phase Detection Circuit AC waveform को sense करता है।
🔹 यह signal Optocoupler, Resistor aur Diode ke through Microcontroller तक पहुँचाया जाता है।
🔹 Microcontroller इस signal को पढ़कर समझता है कि supply सही है या नहीं।
🔹 Agar phase missing ho, reverse ho ya unstable ho, तो PCB protection mode में चला जाता है।
🔹 Inverter AC PCB में यह circuit compressor aur fan ko safe operation देने के लिए बहुत important होता है।

इस section में Zero Crossing Detection भी use होता है, जिससे PCB AC waveform की timing detect करता है।
Fault आने पर AC error code दिखा सकता है या compressor start नहीं होता।

🔧 Basic To Advance Level Repairing
📞 Contact: +91 9599704405
📍Location:- 29/4 A, 2nd Floor, Behind Tilak Nagar Metro Station Gate No. 3, Tilak Nagar, New Delhi -110018, INDIA

27/04/2026

EV Expo | EV Training Institute | Electric Vehicle Repairing Course | multitech institute | Ev exhibition bhart mandapam | Ev expo Exhibition 2026

27/04/2026

Live Action Awaits
Come to the ground, support your favorite team & experience the thrill of the Futsal Tournament!
Your cheers make the difference

⚽ On Field. Real Game. Real Passion.
Don’t just watch—be there

Address

28/5 2nd Floor
Delhi
110018

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