Fix Denon Stereo Optical Input

I need help repairing an optical cable input on my Denon stereo. The cable does not stay connected, and I'm unsure if there's any physical damage. Ideal Skills and Experience: - Experience with audio... (Budget: £20 - £250 GBP, Jobs: Audio Editing, Audio Engineering, Audio Production, Audio Services, Electrical Engineering, Electronics, Soldering, Troubleshooting)