Lakhvinder PCB Repair

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Analog pH Meter Circuit | Complete Circuit Diagram & WorkingDescription:Is detailed circuit diagram mein Analog pH Meter...
19/08/2026

Analog pH Meter Circuit | Complete Circuit Diagram & Working
Description:
Is detailed circuit diagram mein Analog pH Meter ka complete working concept samjhaya gaya hai. Ismein Transformer, D1-D4 Bridge Rectifier, 1000µF capacitors, 7812/7912 voltage regulators aur TL081 Op-Amp ka use karke pH probe signal ko process karke DVM par output diya jata hai.
Diagram mein Slope, Zero aur Reference adjustment, required components, circuit operation aur applications jaise Water Quality Testing, Aquarium Monitoring, Hydroponics aur Industrial pH Control bhi clearly explain kiye gaye hain. Electronics aur PCB repair technicians ke liye useful reference.

Refrigerant Pressure Chart | R22, R134a, R32, R290, R407C, R404A & R410A📝 Description:Refrigerator aur AC repair technic...
19/08/2026

Refrigerant Pressure Chart | R22, R134a, R32, R290, R407C, R404A & R410A
📝 Description:
Refrigerator aur AC repair technicians ke liye Refrigerant Pressure & Temperature Chart. Is chart mein R22, R134a, R600a, R32, R290, R407C, R404A, R410A aur R417 jaise refrigerants ke suction pressure, discharge pressure aur evaporation temperature ki reference information di gayi hai.
Ye chart AC aur Refrigerator servicing, gas charging, pressure checking aur troubleshooting ke time useful ho sakta hai.
⚠️ Note: Actual pressure system design, ambient temperature, refrigerant charge aur equipment ke according change ho sakta hai. Gas charging se pehle manufacturer specifications zaroor check karein.

19/08/2026

Types of MCB | B, C, D, K & Z Type MCB Explained | Tripping Current & Operating Time
📝 Description:
इस पोस्ट में B Type, C Type, D Type, K Type और Z Type MCB के बारे में आसान तरीके से जानकारी दी गई है। इसमें इनके tripping current, operating time और basic characteristics को clearly समझाया गया है।
⚡ B Type: 3–5× full load current
⚡ C Type: 5–10× full load current
⚡ D Type: 10–20× full load current
⚡ K Type: 8–12× full load current
⚡ Z Type: 2–3× full load current
MCB का सही selection overload और short-circuit protection के लिए बहुत जरूरी है। यह पोस्ट electricians, technicians और electronics/electrical repair करने वालों के लिए एक useful reference है।
📌 पोस्ट को Save & Share करें और ऐसे ही electronics, PCB repair और electrical knowledge के लिए Lakhvinder Electronics PCB Repair को Follow करें।

19/08/2026

Types of Fuses | 8 Common Fuse Types Explained | Electronics & PCB Repair
📝 Description:
इस पोस्ट में 8 सबसे commonly used fuse types को आसान तरीके से समझाया गया है, जैसे Glass Fuse, Ceramic Fuse, SMD Fuse, Automotive Fuse, Thermal Fuse, Time Delay Fuse, Self-Resetting PTC Fuse और High Power Fuse.
हर fuse का उपयोग, खासियत और application को आसान English + Hindi में बताया गया है। Electronics और PCB repair करने वालों के लिए यह एक useful reference है।
⚡ Fuse का सही selection circuit protection के लिए बहुत जरूरी है।
🔧 Save करें और जरूरत पड़ने पर reference के लिए इस्तेमाल करें।
📚 ऐसे ही electronics, PCB repair और component knowledge के लिए Lakhvinder Electronics PCB Repair को follow करें।

What is an Integrated Circuit (IC)? | Electronic Components Quiz & Complete Guide📝 Description:🧠 Can you identify this e...
19/08/2026

What is an Integrated Circuit (IC)? | Electronic Components Quiz & Complete Guide
📝 Description:
🧠 Can you identify this electronic component?
The correct answer is Integrated Circuit (IC). An IC is one of the most important electronic components and is used in almost every electronic device, from TVs and mobile phones to amplifiers, inverters, and PCB circuits.
🔹 What is an IC? An Integrated Circuit (IC) is a tiny semiconductor chip that contains thousands or even millions of electronic components such as transistors, resistors, capacitors, and diodes on a single chip.
⚡ Common Applications: ✅ Mobile Phones
✅ LED Drivers
✅ Audio Amplifiers
✅ Power Supplies
✅ Inverters & UPS
✅ Computers & Laptops
✅ Home Appliances
✅ PCB Repair

10 Types of Electrical Fuses Explained | Complete Fuse Guide with Uses📝 Description:⚡ Learn about the 10 most common typ...
19/08/2026

10 Types of Electrical Fuses Explained | Complete Fuse Guide with Uses
📝 Description:
⚡ Learn about the 10 most common types of electrical fuses used in automotive, home, industrial, and electronic circuits. This infographic explains each fuse type along with its common applications, helping beginners and technicians identify the right fuse for every job.
Included Fuse Types: 🔹 Blade Fuse (ATO/ATC)
🔹 Mini Blade Fuse
🔹 Micro Blade Fuse
🔹 MAXI Blade Fuse
🔹 Glass Cartridge Fuse
🔹 Ceramic Cartridge Fuse
🔹 Resettable Fuse (PTC/Polyfuse)
🔹 HRC (High Rupturing Capacity) Fuse
🔹 NH Fuse (Knife Blade Fuse)
🔹 Class J Fuse
💡 Key Benefits: ✔ Easy identification of fuse types
✔ Understand where each fuse is used
✔ Helpful for PCB repair, electrical maintenance, automotive repair, and industrial applications

Refrigeration Cycle Explained | Compressor, Condenser, Evaporator & Capillary Tube Working📝 Description:Learn how the Re...
19/08/2026

Refrigeration Cycle Explained | Compressor, Condenser, Evaporator & Capillary Tube Working
📝 Description:
Learn how the Refrigeration Cycle works in refrigerators, air conditioners, and cooling systems. This infographic explains the function of the Compressor, Condenser, Filter Drier, Capillary Tube, and Evaporator, along with refrigerant flow, high-pressure and low-pressure sides, and the complete cooling process in a simple way.
✅ Understand each component step by step
✅ Easy-to-read educational diagram
✅ Perfect for Electronics, HVAC & PCB Repair learners
💬 Have a question? Comment below!
📲 Follow Lakhvinder Electronics PCB Repair for more Electronics, PCB Repair & Electrical learning content.

19/08/2026

⚡ Varistor (VDR) Explained | How to Read Varistor Code | MOV Code Identification
Description:
Learn how to identify and read Varistor (VDR/MOV) markings easily. This infographic explains the meaning of codes like S14, K460, and K1, helping you choose the correct varistor for surge protection in electronic circuits.
✅ What is a Varistor (VDR/MOV)?
✅ How to Read Varistor Codes
✅ S14 Size Explained
✅ K460 Voltage Rating Explained
✅ K1 Tolerance Explained
✅ Applications in SMPS, Inverters & Power Supplies
💡 Follow Lakhvinder Electronics PCB Repair for electronics tutorials, PCB repair tips, component identification, circuit diagrams, and practical electronics knowledge.

🔊 4558D Bass Booster Circuit | Subwoofer Bass Circuit Diagram | DIY Audio ElectronicsDescription:Learn how to build a 45...
17/08/2026

🔊 4558D Bass Booster Circuit | Subwoofer Bass Circuit Diagram | DIY Audio Electronics
Description:
Learn how to build a 4558D Bass Booster Circuit for your amplifier or subwoofer system. This simple audio circuit uses the JRC4558D IC to enhance low-frequency bass response and includes an adjustable bass control for better sound quality.
✅ 4558D Bass Booster Circuit Diagram
✅ 12V DC Power Supply
✅ Adjustable Bass Volume Control
✅ Audio Input & Output Connections
✅ Easy DIY Audio Project
✅ Ideal for Amplifiers & Subwoofers
💡 Follow Lakhvinder Electronics PCB Repair for PCB repair tutorials, amplifier circuits, audio electronics projects, inverter repair, and practical electronics knowledge


🔊 4558D Bass Booster Circuit | Subwoofer Bass Circuit Diagram | DIY Audio ElectronicsDescription:Learn how to build a 45...
16/08/2026

🔊 4558D Bass Booster Circuit | Subwoofer Bass Circuit Diagram | DIY Audio Electronics
Description:
Learn how to build a 4558D Bass Booster Circuit for your amplifier or subwoofer system. This simple audio circuit uses the JRC4558D IC to enhance low-frequency bass response and includes an adjustable bass control for better sound quality.
✅ 4558D Bass Booster Circuit Diagram
✅ 12V DC Power Supply
✅ Adjustable Bass Volume Control
✅ Audio Input & Output Connections
✅ Easy DIY Audio Project
✅ Ideal for Amplifiers & Subwoofers


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Baba Deep Singh Nagar, Guru Kirpa Calony, Street No./9
Abohar
152116

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Monday 8:30am - 8:30pm
Tuesday 8:30am - 8:30pm
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Thursday 8:30am - 8:30pm
Friday 8:30am - 8:30pm
Saturday 8:30am - 7pm

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