Sharp 4K Arthroscope 30°AR-3350 4031 Repair Case

1. Fault content: no image, broken objective lens, water leakage, broken rod lens, broken connection between the tube and the main body.

2. Repair plan: Replace the objective lens, rod lens, tube, light guide (overhaul) to calibrate the image, test the endoscope's anti-vibration and impact performance, test the endoscope's sealing performance; test the endoscope's anti-vibration performance, test the endoscope's hot and cold impact performance