How to Repair Crown 4002 XTI Amplifier Full Guide | In-Depth Troubleshooting & Fix in hindi

This video is a complete repair guide for the Crown 4002 XTI amplifier, presented by me, I’m providing a more detailed and in-depth tutorial due to requests from my viewers. 👉 In this video, you’ll learn: Front Panel Features: How stereo, mono, and bridge modes work, along with fan speed control Internal Components Explained: SMPS Power Supply faults & repair tips Germanium and driver transistors commonly failing IC and Mosfet role in amplifier safety and power control Burnt Print & Faulty IC Repair: Found a broken IC (IR 26S) and mosfets under the heatsink Troubleshooting Process: Systematic use of multimeter to trace circuit faults step-by-step This guide helps you understand why the systematic approach is important and how knowing circuit logic makes repairs easier and efficient.