I'd suggest looking at the harness :) From the B&W vector
monitor FAQ, page 23:
Asteroids Deluxe
For video inversion on an Asteroids Deluxe upright, Pin 19
on the game board is grounded. For Asteroids Deluxe
cocktails, both X-and Y-video inverts are used, so both
pins 7 and 19 are grounded. For noninverted video output,
pin 19 is unconnected and floats.
Asteroids Deluxe
P20
Pin 7 – Y Invert
Pin 19 – X Invert
http://www.ionpool.net/arcade/tech/bw_vector_monitor_faq.pdf
tm
On Sat, 10 May 2003 04:07:17 -0500
"Joe" <jb@joesarcade.com> wrote:
> Looking at the schematics....
>
> Pin 13 of B12 - a 4016 - has the connection INVY. Pin 12
> is NINVY. Maybe
> the 4016 is mucked up? Or the INV signal is wrong..
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Received on Sat May 10 18:50:01 2003
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