HI I was givnin a JVC projection TV , I know nothing about them and it came to me without a manual. And all the remote buttons don't seem to work. and I'm unable to figure out what rplcmnt casing and lamp I need ..... Here are the numbers on the side of the TV HD I think is says SG787DAA, does that look right? one of the letters isn't clear....I need to the manual and replacement buld parts number...thank you...here's' my email...sstanton68@hotmail.com...