Congratulations! You are today's winner of the vaguest, most meaningless post!!
We have absolutely NO idea what you are talking about. Test pattern? On what, you're TV screen? Your front lawn?
"everything is fine with design", and yet it doesn't work. I guess everything is NOT fine with your design, whatever that design might be.
Don't expect us to expend any effort answering your question when you can't even expend the effort formulating an intelligent question.