S4Patrick Active member Joined May 21, 2010 Messages 571 Reaction score 110 Location Michigan Sep 26, 2010 #1 Hello... Dedicated Galaga game. The speaker keeps thumping--about 30 times a minute. Game works 100%. Sounds for the game all work. Any ideas/ suggestions? Thanks... ~Patrick
Hello... Dedicated Galaga game. The speaker keeps thumping--about 30 times a minute. Game works 100%. Sounds for the game all work. Any ideas/ suggestions? Thanks... ~Patrick
OP OP S4Patrick Active member Joined May 21, 2010 Messages 571 Reaction score 110 Location Michigan Sep 27, 2010 #2 Just a little bump
gamefixer Well-known member Joined Feb 27, 2005 Messages 9,082 Reaction score 551 Location Colorado Sep 27, 2010 #3 I recall something about bad electrolytic caps around the audio amp causing that thump. Matt
OP OP S4Patrick Active member Joined May 21, 2010 Messages 571 Reaction score 110 Location Michigan Sep 28, 2010 #4 Anyone know more about the electrolytic caps problem/ fix? Thanks... ~Patrick
mcandrewsoun Well-known member VAPS Joined Feb 26, 2010 Messages 1,602 Reaction score 63 Location Fincastle, Virginia Sep 28, 2010 #5 Do you accidentally have a space invaders board installed? Im gonna throw my money on a 12v issue...Do you have a switcher, or the old midway?
Do you accidentally have a space invaders board installed? Im gonna throw my money on a 12v issue...Do you have a switcher, or the old midway?
Kawydud Member Joined Mar 13, 2010 Messages 970 Reaction score 10 Location Strykersville, New York Sep 28, 2010 #6 mcandrewsoun said: Do you accidentally have a space invaders board installed? Click to expand... Nice! .......................
mcandrewsoun said: Do you accidentally have a space invaders board installed? Click to expand... Nice! .......................
mrbill08 Well-known member Donor 5 years: 2014-2015, 2019, 2022-2023 Joined Mar 24, 2008 Messages 4,150 Reaction score 441 Location Illinois Sep 28, 2010 #7 gamefixer said: I recall something about bad electrolytic caps around the audio amp causing that thump. Matt Click to expand... Those electrolytic caps by the audio amp are notorius for failing. Best to replace them one at a time and see if your thump goes away. Bill
gamefixer said: I recall something about bad electrolytic caps around the audio amp causing that thump. Matt Click to expand... Those electrolytic caps by the audio amp are notorius for failing. Best to replace them one at a time and see if your thump goes away. Bill
OP OP S4Patrick Active member Joined May 21, 2010 Messages 571 Reaction score 110 Location Michigan Sep 28, 2010 #8 Space Invaders! Nope. I do have a switcher power supply in place of the original one. Can someone perhaps post up a picture or two of the area where the electrolytic caps that are by the audio amp? Thanks!
Space Invaders! Nope. I do have a switcher power supply in place of the original one. Can someone perhaps post up a picture or two of the area where the electrolytic caps that are by the audio amp? Thanks!
OP OP S4Patrick Active member Joined May 21, 2010 Messages 571 Reaction score 110 Location Michigan Sep 30, 2010 #9 Anyone repair there boards?