Bally : Ballerina

Game Parameters
Game Type	magic screen
Game Number	628
Manufacture Date	1959
Number of Holes	25
Number of Odds Steps	8
Max Payout	600
Max Extra Balls	3
Features	advancing odds/scores blue section scores colored lines extended/extra time/play extra balls in-line scoring roll-over buttons section scoring super-section triple deck advancing odds/scores

Resources

Backglass
- chris dade image
- bg 1
- bg 2

Cabinet
- cab 1
- cab 2
- cab 3
- cab 4

Flyers
- fly 1

Internals
- int 1
- int 2
- int 3
- int 4
- int 5
- int 6
- int 7
- int 8
- int 9
- int 10
- int 11
- int 12
- int 13
- int 14

Game Manual
- manual (pdf) : 7.92MB
- unoptimized manual (pdf) : 43.51MB

Miscellaneous
- screen adjust

Mixer Diagrams
- 1: w-735b
- 2: w-874b
- 3: w-854b
- 4: w-892b

Press Image
- mp 1

Playfield
- pf 1
- pf 2
- pf 3
- pf 4
- pf 5

Reflex Diagrams
- w-770b

Schematic
- schematic : 9.09MB

S/I Card Reproduction
- sirepro

S/I Card Scan
- siscan

Ballerina

Ballerina did two things that appeared on no other bingo machine:

top row feature: pushing a button would reverse the top line of holes (1-7) on the playfield. For example, a ball in hole #1 would light #7. An interesting idea which I'll eventually check out when I rebuild the Ballerina I have.
roll-over buttons advance screen: For many of the previous games, the roll-over buttons extended the time you had to rearrange the numbers into different scoring combinations. On Ballerina, they stepped-up the screen position unit, so you could move the screen more positions after the first ball was shot. Bally got cheap, though, you had to hit either rollover button twice to get another screen position. I have enough trouble hitting the buttons once!

I suspect it was the use of the rollover buttons that made this game less popular, rather than the top row feature.

magic screen games

First introduced in Carnival Queen, the numbers on the card are stationary, but a moving metal screen is slid across them.

The screen has in-line scoring and irregularly shaped colored section scoring. In the sections, rather than needing 3,4,or 5-in-line, you can get 3,4, or 5-in-section to score. While some sections have numbers that are in a line, to win in a section, the lit numbers DO NOT need to be adjacent!

Screen Home Position	Screen Position B	Screen Position E	Screen Position G

In the screen home position, the standard three color in-line scoring is available. As the screen is slid left, the in-line scoring is replaced with section scoring. At position B, the scoring is a combination of both methods. By position E, in-line scoring is gone completely.

Also notice how in position B, the green diagonal is now over three numbers that could not be a diagonal winner on the screen in the home position, but only three numbers are in the diagonal line!

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