Update
Updating database... Please wait.
Tuesday 19 December 2017 at 22:20
The Beep pattern is an error code. Atari's usually had a large paper sheet stapled to the inside of the back door showing Dipswitch settings and error codes. You may have to search the net to find it.
The amplifone looks about right but I haven't seen one in about 30 years! They made one for 19" a...
Source: http://pinside.com/pinball/forum/topic/i-just-got-a-non-working-%e2%80%9883-atari-star-wars-standup#post-4131816