A:AnswerIt has become unpaired with the sound bar. You have to press both wireless buttons, and attempt to re-pair the speakers. Check the owner manual for further instructions. If you threw them away you can easily find with a google search)
A:Answeryou should be able to sync it with the tv. so when the tv comes on, so does the bar. when the tv goes off, so does the bar. i have a samsung tv. so if you do not. it may be different.
A:AnswerNo RCA cables hookup - only HDMI Arc, Optical and Bluetooth. They make Blue Tooth turntables now that you can connect to this or any blue tooth speaker. You might want to try one if you have the budget for it as it would give you many more options than an RCA connected record player.
A:Answerit will work thru the TV,. uses a optic line super sound you should be happy with it , it will not hook up to your blue ray. Blue rays do not normally come setup for sound bars they out put to the TV and the TV dose all the work converting .
A:AnswerYes, you can use the remote from your Samsung tv to control the volume on your soundbar. But I'm sorry I can't explain how because my daughter set it up when I was not there.