Epson EMP-TW700 LCD Projector "twd1" Questions

epson emp-twd1 sound optics Sound that i get from optics output is just cracking. What can I do? to buy a new one , Have a good day! We supply original projector parts: lamp, bulb, Lcd panel, Lens, ...

purple or magenta dots on centre of screen ,not noticeable at certain times. EMP-TWDI My first guess is contamination on the lens or the internal LCD itself. I would clean the lens first, and if that ...