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Hello, I need some advice on repairing a strobe. I recently got a Sea & Sea YS-27DX at a low price. The issue is that it powers on, but when tested, the flash does not fire. I opened it up to check the internal circuit, and everything looks to be in good condition. At this point, I suspect that the problem might be with either the flash tube (Xenon bulb) or the sensor. I’d like to ask for advice from anyone who might be able to help. How should I go about repairing it?

Hello everyone! I'm a student from Thailand who's passionate about underwater photography and repairing photography equipment. If you have any great tips or cool techniques to share, I'd love to hear them. Thank you! 🌊📸🔧