원문 게시자: oldturkey03 ,
Talyanich Talyanich make sure that you try all the inputs and see if that changes. You also want to let us see what you see. So take a couple of pictures and post those with your question. Use this guide [guide|21499] for that. I would suggest you dismantle the projector and check the optics block. Use this [document|3376] to assist you with that. Let us know what you find.