Non Inverter AC PCB & Inverter AC PCB Repair training Karnataka, Bangalore

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Non Inverter AC PCB & Inverter AC PCB Repair training Karnataka, Bangalore Professional training in Non-Inverter & Inverter AC PCB repair with hands-on practical sessions. Based in Bangalore, Karnataka.

Also offering AC PCB Repairing Course, Fridge PCB Repairing Course, and Washing Machine PCB Repairing Course.

05/06/2026

AC Board Service, Fridge Board Service, Washing Machine PCB Board Service & Repair Course Banglore Karnataka

05/06/2026

AC PCB Repair training Karnataka, Bangalore

AC PCB Repair Training – Bootstrap Circuit Explained

At Chennai Excellent Center For Vocational Training (CECVT), we provide 100% hands-on practical training in AC & Home Appliances PCB Repairing for AC mechanics, HVAC technicians, and electronics learners who want real-time PCB troubleshooting knowledge.

🔧 Bootstrap Circuit (High Side MOSFET Driver Circuit)

The Bootstrap Circuit is an important section found in Inverter AC Outdoor PCB Boards. It helps the Gate Driver IC properly drive the high-side MOSFETs and IGBTs used in compressor inverter circuits.

Without a properly working Bootstrap Circuit, the inverter power section cannot switch correctly, causing compressor and outdoor unit problems.

Bootstrap circuits commonly include:

Bootstrap Capacitor
Bootstrap Diode
Gate Driver IC
MOSFET / IGBT Drive Section

Common Bootstrap Circuit fault symptoms

Compressor not starting
Outdoor unit dead
Inverter PCB protection mode
IGBT or MOSFET failure
Power section malfunction
Error codes related to inverter operation

At CECVT, students learn:

✔ Bootstrap Circuit working principle
✔ Bootstrap capacitor function
✔ Bootstrap diode testing methods
✔ Gate driver and MOSFET relationship
✔ Diagnosing inverter power section faults
✔ Real-time troubleshooting on inverter AC PCB boards

Our training focuses on real boards, real faults, and practical repair methods, helping students understand advanced inverter technology at component level.

🎓 Courses Offered

✔ AC PCB Repairing Course
✔ Inverter AC PCB Repairing Course
✔ Washing Machine PCB Repairing Course
✔ Refrigerator (Fridge) PCB Repairing Course
✔ Microwave Oven PCB Repairing Course

✔ Indian Government Certification
✔ 100% Practical-based training
✔ Suitable for beginners & working technicians

📍 Training Location: Bangalore, Karnataka
📞 Call / WhatsApp: +91 9940205213

🔗 Our Official Channels & Online Platforms

▶️ YouTube
https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

📘 Facebook
https://www.facebook.com/profile.php?id=61571143511170
https://www.facebook.com/homeappliancesrepairtraininginstitute/
https://www.facebook.com/profile.php?id=61586603750868

📸 Instagram
https://www.instagram.com/mechanicsankarchennai/

🌐 Websites
https://tmsservicecenter.com/
https://cecvtappliancesrepairingcourse.com/
https://tmsrenovationservices.com/
https://skmenterprisess.com/















04/06/2026

Non Inverter AC PCB & Inverter AC PCB Repair training Karnataka, Bangalore

AC PCB Repair Training – Optocoupler Explained

This isolation protects sensitive components like the Microcontroller IC from high-voltage damage.

Optocouplers are commonly used in:

SMPS feedback circuits
Voltage regulation circuits
Inverter AC power supply sections
Protection circuits
Control signal isolation circuits

Common Optocoupler fault symptoms

PCB completely dead
No output voltage from SMPS
Indoor display not working

At CECVT, students learn:

✔ Optocoupler pin identification
✔ Understanding LED side and transistor side operation
✔ Testing Optocouplers using multimeter
✔ Diagnosing SMPS feedback faults
✔ Understanding isolation circuits practically
✔ Real-time troubleshooting on AC PCB boards

Our training focuses on real boards, real faults, and practical repair techniques, helping students understand the complete SMPS and feedback system at component level.

🎓 Courses Offered

✔ AC PCB Repairing Course
✔ Inverter AC PCB Repairing Course
✔ Washing Machine PCB Repairing Course
✔ Refrigerator (Fridge) PCB Repairing Course
✔ Microwave Oven PCB Repairing Course

✔ Indian Government Certification
✔ 100% Practical-based training
✔ Suitable for beginners & working technicians

📍 Training Location: Bangalore, Karnataka
📞 Call / WhatsApp: +91 9940205213

🔗 Our Official Channels & Online Platforms

▶️ YouTube
https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

📘 Facebook
https://www.facebook.com/profile.php?id=61571143511170
https://www.facebook.com/homeappliancesrepairtraininginstitute/
https://www.facebook.com/profile.php?id=61586603750868

📸 Instagram
https://www.instagram.com/mechanicsankarchennai/

🌐 Websites
https://tmsservicecenter.com/
https://cecvtappliancesrepairingcourse.com/
https://tmsrenovationservices.com/
https://skmenterprisess.com/















03/06/2026

Non Inverter AC PCB & Inverter AC PCB Repair training Karnataka, Bangalore

AC PCB Repair Training – Voltage Regulator IC Explained

At Chennai Excellent Center For Vocational Training (CECVT), we provide 100% hands-on practical training in AC & Home Appliances PCB Repairing for AC mechanics, HVAC technicians, and electronics learners who want real-time PCB troubleshooting knowledge.

🔧 Voltage Regulator IC (Stable Voltage Control Component)

The Voltage Regulator IC is an important component used in AC PCB boards to provide a stable output voltage to sensitive electronic circuits such as the Microcontroller, EEPROM, Display Section, Sensors, and Communication Circuits.

Even if the input voltage changes, the Voltage Regulator IC maintains a fixed output voltage required for proper PCB operation.

Voltage Regulators are commonly used in:

Indoor AC PCB Boards
Outdoor AC PCB Boards
Microcontroller Power Supply Circuits
Sensor Supply Circuits
Communication Sections

Common Voltage Regulator IC fault symptoms

PCB completely dead
No display on indoor unit
Microcontroller not working
Sensor communication errors
Unstable PCB operation
Random restarting issues

At CECVT, students learn:

✔ Voltage Regulator IC identification
✔ Understanding input and output voltage concepts
✔ Testing regulator voltage using multimeter
✔ Diagnosing low voltage and no voltage conditions
✔ Troubleshooting regulator-related PCB faults
✔ Practical repair training on real AC PCB boards

Our training focuses on real boards, real faults, and practical troubleshooting methods, helping students understand power supply sections at component level.

🎓 Courses Offered

✔ AC PCB Repairing Course
✔ Inverter AC PCB Repairing Course
✔ Washing Machine PCB Repairing Course
✔ Refrigerator (Fridge) PCB Repairing Course
✔ Microwave Oven PCB Repairing Course

✔ Indian Government Certification
✔ 100% Practical-based training
✔ Suitable for beginners & working technicians

📍 Training Location: Bangalore, Karnataka
📞 Call / WhatsApp: +91 9940205213

🔗 Our Official Channels & Online Platforms

▶️ YouTube
https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

📘 Facebook
https://www.facebook.com/profile.php?id=61571143511170
https://www.facebook.com/homeappliancesrepairtraininginstitute/
https://www.facebook.com/profile.php?id=61586603750868

📸 Instagram
https://www.instagram.com/mechanicsankarchennai/

🌐 Websites
https://tmsservicecenter.com/
https://cecvtappliancesrepairingcourse.com/
https://tmsrenovationservices.com/
https://skmenterprisess.com/













02/06/2026

Non Inverter AC PCB & Inverter AC PCB Repair training Karnataka, Bangalore

AC PCB Repair Training – PWM IC Explained

At Chennai Excellent Center For Vocational Training (CECVT), we provide 100% hands-on practical training in AC & Home Appliances PCB Repairing for AC mechanics, HVAC technicians, and electronics learners who want real-time PCB troubleshooting knowledge.

🔧 PWM IC (Pulse Width Modulation Controller IC)

The PWM IC is one of the most important components used in the SMPS section of AC PCB boards. Its main function is to control switching frequency and regulate output voltage efficiently.

PWM IC continuously monitors the power supply section and adjusts switching pulses to maintain stable voltage for the PCB.

PWM ICs are commonly found in:

AC Indoor PCB Boards
AC Outdoor PCB Boards
SMPS Power Supply Circuits
Inverter Control Circuits
Voltage Regulation Sections

Common PWM IC fault symptoms

PCB completely dead
No output voltage from SMPS
Indoor unit display not working
AC not turning ON
Unstable voltage supply
Repeated PCB shutdown problems

At CECVT, students learn:

✔ PWM IC identification
✔ Understanding PWM switching principles
✔ Testing PWM IC supply voltage
✔ Diagnosing dead SMPS sections
✔ Checking surrounding components connected to PWM IC
✔ Practical troubleshooting on real AC PCB boards

Our training focuses on real boards, real faults, and practical repair techniques, helping students confidently repair AC PCBs at component level.

🎓 Courses Offered

✔ AC PCB Repairing Course
✔ Inverter AC PCB Repairing Course
✔ Washing Machine PCB Repairing Course
✔ Refrigerator (Fridge) PCB Repairing Course
✔ Microwave Oven PCB Repairing Course

✔ Indian Government Certification
✔ 100% Practical-based training
✔ Suitable for beginners & working technicians

📍 Training Location: Bangalore, Karnataka
📞 Call / WhatsApp: +91 9940205213

🔗 Our Official Channels & Online Platforms

▶️ YouTube
https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

📘 Facebook
https://www.facebook.com/profile.php?id=61571143511170
https://www.facebook.com/homeappliancesrepairtraininginstitute/
https://www.facebook.com/profile.php?id=61586603750868

📸 Instagram
https://www.instagram.com/mechanicsankarchennai/

🌐 Websites
https://tmsservicecenter.com/
https://cecvtappliancesrepairingcourse.com/
https://tmsrenovationservices.com/
https://skmenterprisess.com/














31/05/2026

AC PCB Repair training Center Karnataka, Bangalore

AC PCB Repair Training – Current Sensor Explained

At Chennai Excellent Center For Vocational Training (CECVT), we provide 100% hands-on practical training in AC & Home Appliances PCB Repairing for AC mechanics, HVAC technicians, and electronics learners who want real-time PCB troubleshooting knowledge.

🔧 Current Sensor (Current Detection & Protection Component)

The Current Sensor is an important component used in modern Inverter AC PCB boards. Its main function is to continuously monitor the current consumed by the compressor and power circuits.

The PCB uses current sensor feedback to:

Protect the compressor from overload
Detect abnormal current consumption
Monitor inverter power circuits
Improve energy efficiency
Prevent damage to expensive PCB components

Without proper current sensing, the inverter PCB cannot accurately monitor system performance and protection functions.

Common Current Sensor fault symptoms

Compressor not starting
Outdoor unit stopping suddenly
Overcurrent error codes
Inverter protection faults
PCB shutting down automatically
Abnormal power consumption readings

At CECVT, students learn:

Current Sensor identification
Understanding current feedback circuits
Sensor output voltage testing
Diagnosing overcurrent protection faults
Practical troubleshooting on real inverter AC PCB boards

Our training focuses on real boards, real faults, and practical repair methods, helping students understand inverter AC protection systems at component level.

🎓 Courses Offered

✔ AC PCB Repairing Course
✔ Inverter AC PCB Repairing Course
✔ Washing Machine PCB Repairing Course
✔ Refrigerator (Fridge) PCB Repairing Course
✔ Microwave Oven PCB Repairing Course

✔ Indian Government Certification
✔ 100% Practical-based training
✔ Suitable for beginners & working technicians

📍 Training Location: Bangalore, Karnataka
📞 Call / WhatsApp: +91 9940205213

🔗 Our Official Channels & Online Platforms

▶️ YouTube
https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

📘 Facebook
https://www.facebook.com/profile.php?id=61571143511170
https://www.facebook.com/homeappliancesrepairtraininginstitute/
https://www.facebook.com/profile.php?id=61586603750868

📸 Instagram
https://www.instagram.com/mechanicsankarchennai/

🌐 Websites
https://tmsservicecenter.com/
https://cecvtappliancesrepairingcourse.com/
https://tmsrenovationservices.com/
https://skmenterprisess.com/














31/05/2026

AC PCB Repair training institute Karnataka, Bangalore

AC PCB Repair Training – Crystal Oscillator Explained

At Chennai Excellent Center For Vocational Training (CECVT), we provide 100% hands-on practical training in AC & Home Appliances PCB Repairing for AC mechanics, HVAC technicians, and electronics learners who want real-time PCB troubleshooting knowledge.

🔧 Crystal Oscillator (Clock Signal Generator)

The Crystal Oscillator is an important component used near the Microcontroller IC in AC PCB boards. Its main function is to generate a stable clock signal that helps the microcontroller execute instructions accurately.

Without a proper clock signal, the microcontroller cannot function correctly, even if the power supply section is working normally.

Crystal Oscillators are commonly used in:

Indoor AC PCB boards
Outdoor inverter PCB boards
Microcontroller circuits
Communication circuits
Control and timing applications

Common Crystal Oscillator fault symptoms

PCB dead condition
No display operation
Microcontroller not responding
Random PCB malfunction
Communication failure between boards

At CECVT, students learn:

Crystal Oscillator identification
Understanding clock generation principles
Testing surrounding oscillator circuits
Diagnosing microcontroller startup issues
Practical troubleshooting on real AC PCB boards

Our training focuses on real boards, real faults, and practical repair methods, helping students understand the complete PCB control system at component level.

🎓 Courses Offered

✔ AC PCB Repairing Course
✔ Inverter AC PCB Repairing Course
✔ Washing Machine PCB Repairing Course
✔ Refrigerator (Fridge) PCB Repairing Course
✔ Microwave Oven PCB Repairing Course

✔ Indian Government Certification
✔ 100% Practical-based training
✔ Suitable for beginners & working technicians

📍 Training Location: Bangalore, Karnataka
📞 Call / WhatsApp: +91 9940205213

🔗 Our Official Channels & Online Platforms

▶️ YouTube
https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

https://www.youtube.com/
https://www.youtube.com//shorts

📘 Facebook
https://www.facebook.com/profile.php?id=61571143511170
https://www.facebook.com/homeappliancesrepairtraininginstitute/
https://www.facebook.com/profile.php?id=61586603750868

📸 Instagram
https://www.instagram.com/mechanicsankarchennai/

🌐 Websites
https://tmsservicecenter.com/
https://cecvtappliancesrepairingcourse.com/
https://tmsrenovationservices.com/
https://skmenterprisess.com/














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