Wally and
to AP !
Timeline = Great machine.
Your sound problem could be the fact that the sound board is from another machine.
You should start here -
http://www.pinrepair.com/sys80/index.htm - Just for some background. On page 1 - "Gamelist"
#659 = Timeline
#53 = Spiderman
So there's a start ! Manuals are available from here -
www.pbresource.com 
