neopolss Well-known member Donor 6 years: 2013, 2016-2020 VAPS Joined Jul 16, 2003 Messages 3,222 Reaction score 110 Location Topeka, Kansas Rating - 100% 79 0 0 Nov 26, 2012 #1 Board works fine, has no sound. Amp seems to be working, probably the sound tl074cn chip. I am swamped with other work. 45 shipped or make an offer.
Board works fine, has no sound. Amp seems to be working, probably the sound tl074cn chip. I am swamped with other work. 45 shipped or make an offer.
madrits Well-known member Donor 2017, 2020 VAPS Joined Oct 1, 2008 Messages 1,119 Reaction score 328 Location Lilburn, Georgia Rating - 100% 133 0 0 Nov 26, 2012 #2 Do you have -5V running up from the power supply? Rastan uses it for sound....
DarrenF Well-known member VAPS Joined Jan 7, 2011 Messages 5,855 Reaction score 526 Location Florida Rating - 100% 28 0 0 Nov 26, 2012 #3 Do you have the jumper on the header connector "H", beside the JAMMA connector? Visible on the right in this photo: http://88.191.140.96/public/pcb/rastan.png
Do you have the jumper on the header connector "H", beside the JAMMA connector? Visible on the right in this photo: http://88.191.140.96/public/pcb/rastan.png
OP OP neopolss Well-known member Donor 6 years: 2013, 2016-2020 VAPS Joined Jul 16, 2003 Messages 3,222 Reaction score 110 Location Topeka, Kansas Rating - 100% 79 0 0 Nov 27, 2012 #4 Yes, both are present. I have another Rastan board that I am running in it now, and it is working perfectly. Again though, I don't have time to mess with it.
Yes, both are present. I have another Rastan board that I am running in it now, and it is working perfectly. Again though, I don't have time to mess with it.