Camera Repairing Technology Overview 1️⃣ Types of Cameras Covered CCTV Cameras (Analog, IP, PTZ, Dome, Bullet) DSLR Cameras Mirrorless Cameras Action Cameras (GoPro, etc.) Web Cameras Industrial / Machine Vision Cameras 2️⃣ Common Camera Problems ProblemPossible Cause No Power / Dead Camera Power board failure, cable issue, fuse blown Blurry Image Dirty lens, sensor misalignment, focus motor failure No Image / Black Screen Sensor failure, loose ribbon cable, defective ISP (Image Signal Processor) IR Not Working Faulty IR LEDs, IR cut filter stuck, IR control board failure Not Connecting (IP Cameras) Network port failure, firmware corruption, PoE issue Recording Issue (DVR/NVR) Hard drive failure, firmware crash, SATA cable loose Overheating Faulty voltage regulator, blocked ventilation, poor heat sink Physical Damage Cracked lens, broken housing, damaged internal circuit 3️⃣ Repair Technologies & Tools Tool/TechnologyApplication Soldering Iron Station Repair PCB, replace ICs, connectors Hot Air Rework Station Remove/replace surface mount components Multimeter Check voltage, continuity, and current flow DC Power Supply Simulate power source and check current draw Lens Cleaning Kit Clean optics without scratching ESD Tools Handle sensitive electronic components safely Thermal Camera / IR Gun Check overheating components Firmware Flash Tools Reload corrupted firmware (especially in IP cameras) Network Tester Check RJ45 cables and PoE power Oscilloscope Diagnose complex signal issues (advanced level) 4️⃣ Common Repairs in Detail 📍 CCTV Camera Repair Power Issue: Replace voltage regulator, inspect DC jack, test with 12V DC. IR Issue: Replace IR board or LEDs, clean IR-cut filter mechanism. Image Problem: Check sensor cable, replace CMOS sensor, reflash firmware. 📍 DSLR / Mirrorless Repair Lens Mechanism Repair: Fix autofocus motor, lens calibration. Sensor Cleaning: Safe removal of dust from CMOS/CCD sensors. Shutter Assembly: Replace worn-out shutter blades. 📍 IP Camera Repair Firmware Corruption: Reflash via TFTP/serial USB tools. PoE Board Repair: Replace burned PoE controller ICs. Ethernet Port Repair: Replace LAN module, check magnetic coupling. 5️⃣ Latest Trends SMD (Surface Mount Device) Level Repair Micro-soldering for BGA Chips Firmware Programming (using UART, TTL, SPI Flash Tools) Network-based Diagnostics (for IP cameras) Thermal Diagnostics for Short Detection 6️⃣ Skills Required Understanding of electronic circuits. About the Company Legal Status of Firm: Proprietorship Number of Employees: 11 To 25 People Annual Turnover: 1.5 - 5 Cr company-description: Established in the year 2014 at Vadodara (Gujarat, India), we "HD Infosys & Automation" are engaged in Wholesale Trading and Retailing of an excellent quality range of CCTV Camera, Attendance System, Desktop Computer, Computer Printers, etc. We are a Sole Proprietorship firm and we source products from the reliable market vendors, which can be availed from us at reasonable prices. Under the guidance of "Mr. Anmol B" (Proprietor), who holds profound knowledge and experience in this domain, we have been able to aptly satisfy our clients.