how to set up vcr to record

bought a new tv lg the other connections worked PERFECT did the same ones no signal from vcr i have the vcr hooked into the the dvr box cable input to the dvr box, dvr box to tv,

dvd player hooked up to the 5 ports on the back of the tv there are only 5 ports,

my old tv you had tv input 1(dvd player) input 2(vcr player) this new tv has tv, avg, comp.(dvd player), hmi, i saw someone said use the hdmi

bestbuy told me a splitter but i was able to hook it up before and it worked perfect PLEASE HELP