If he didn't hear the hiss of a necked tube... then he's probably only suffering from pride.
I feel for yah; I did that once to my Bally Star Trek a year or two ago. but it was only a tip over from ground level.
I ended up being able to reglue the top of the head back in position. Was I happy; hell no... but I didn't end up shattering the Back Glass. Whew.