Re: Wico XY Pattern Generator - Decoding Switches

From: Mark Shostak <shostakmark_at_gmail.com>
Date: Mon Nov 07 2011 - 14:44:19 EST

You can mirror the schematics from ionpool

On Mon, Nov 7, 2011 at 12:43 PM, John Robertson <pinball@telus.net> wrote:

> **
> Zitt Zitterkopf wrote:
>
> I’m looking at the schematics for the Wico XY Pattern Generator; and can
> seem to figure out how the Front panel PCB connects to the Main Board.
>
> At A-8 on the main schematics page; it shows P3-1-8 as connected to the D
> Flip Flops and the A10 of the U7/U8 pattern generating roms.
>
> However, P3 doesn’t seem to connect correctly to the “cable” connected to
> the front panel board at B-8 on the second page.
>
> It appears that the diode matrix appears to drive set/clear to Dflip flop
> U6-A which controls A9 on the ROMs.
> But I’m unsure of the encoding given I can figure out how “P3” connects to
> the Front panel board.
>
> Anyone have an idea?
> John
>
> Do you have a copy of the schematics so I can put them up on TTL? The
> manual (such as it is) is there along with images of the Eproms.
>
> ftp://ftp.flippers.com/TTL/TestEquipment/WICO
>
> Thanks,
>
> John :-#)#
>
> --
> John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
> Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames)
> www.flippers.com
> "Old pinballers never die, they just flip out"
>
>

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Received on Mon Nov 7 14:44:50 2011

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