NOT KNOWN FACTS ABOUT WHY IS MY PROJECTOR SCREEN GETTING DIMMER

In an effort to power the PSU, I required to tap in the AC-Mains IEC socket that arrived With all the projector. I removed the connector, as proven beneath:Is there a major picture high quality change? Is that this connected to distance from screen to projector? I anticipate your review with the JVC NP5 for comparison. Thank you!Eager to also hear