The restoration of a 1980's Williams Defender arcade machine
Williams Sound Boards
Sound Boards
Working
491004 – IC-2001-146-5 (Rom1 – W1, W2, W5, W7, W9, W10, W15 = Defender) (Original Texas Board) – Fully tested and working 🙂
494102 – IC-2001-146-6 (Rom 2 Stargate) – Tested dead but with power – Fixed by replacing CPU with working one!
524504 – IC-2001-146-6 (Rom1) [Repaired and working DL 4/11/2013]
548112 – IC-2001-146-6 (Rom2) – Fully tested and working Stargate 🙂
604933 – D-8224-3006 (Rom2 780 – W1, W3, W4, W5, W7, W10, W15 = Robotron / Joust) – Fixed by replacing CPU with working one!
In repair
456715 – IC-2001-146-6 (Rom1 – Defender) [DL] – Sound working but PIA only works on input 6 and others intermittently
609082 – D-8224-3006 – Robotron – missing CPU, ROM and SN7408
596798(0) – D-8224-300 a(Rom2)
572462 – 146-6 (Rom1) [DL] – not jumper ex for Defender. Dead 6/10/2013 CPU & ROM OK?
490946 – Phil M board #1 – Missing CPU, ROM, IC1 (audio amplifier) = Robotron / Joust
10096 – Phil M board #2 – Missing ROM = Defender early
630689 – Phil M board #3 – Missing ROM = Defender
529642 – Phil M board #4 – Missing CPU, ROM + socket and Clock crystal + needs patch wire = Robotron / Joust
Un-tested
619970 – US eBay – looks complete, ROM 9 (Sinistar!), 6808P, Speech Board Connector
about 8 years ago
Can i purchase a sound board for defender and Gorf at all ????
about 8 years ago
Hi,
Wondering if you can tell me whether AMI 6820 PIA was used on these boards.
If so, would you have any spare?
Dean
about 8 years ago
Hi,
Im trying to repair a williams defender sound board – wondering if you can email me a dump of the Williams Video Rom 1 2716 eprom?
Cheers,
Dean
about 6 years ago
Hi
I have a defender cocktail game fine but soundboard making either no sound or a rick wakeman pianoo solo sound.
can you advise repair or help
Mark