PWM IC Burn | जली हुई PWM Controller IC की पहचान कैसे करें | SMPS Repair हिंदी
Автор: Sandeep Electronics
Загружено: 2025-12-14
Просмотров: 804
In this video, we explain what to do when a PWM controller IC is burnt or damaged and the IC number is not visible.
This problem is very common in SMPS power supplies, battery chargers, inverters, LED drivers, and adapters.
In this tutorial, you will learn:
• How to identify a burnt PWM controller IC
• How to find PWM IC number when marking is damaged
• How to identify IC using pinout and surrounding components
• Common PWM ICs used in SMPS (UC3842, TL3842, KA3842, SG6841, OB2269, etc.)
• Practical technician tips to avoid repeated IC failure
This video is very helpful for electronics repair technicians, beginners, and students.
👉 Watch the full video to repair SMPS confidently!
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