Black Matrix
Well-known member
I think I have lost my will to fix my qbert....Maybe to live as well. This yellow monkey has been on my back for far too long now. I have too much time and money invested to give up and am too frustrated to continue.
My Question: Can anyone think of any reason a Qbert PS would test working with no load and blow the fuse when I hook up a supposedly 100% working sound board. Just bought the working soundboard off a Klover and most likely promptly blew it right the hell out. No smoke or anything, just a blown fuse at first. I replaced the fuse and powered up with nothing attached to test the voltage of the power supply. Got all the right voltages.Then I plugged the PCB in and its working. Then I plug the sound board in and I get a couple pops and maybe a blue arc that looked like it came from the backside of the PS below the P3 plug. NOW, the fuse isn't blown, the LED that indicates the 30 volts is present stays on, and the 30 volts is nowhere to be found on the P4 plug. I swear this games out to get me. Any suggestions would be appreciated. My guess is a short, but I have no idea where to look. I can assume the PS's 30 volt is done for. But considering the PCB is working, and the PS is working minus the 30 volts, where should I look for the short and what might be blown on the PS, and why the hell is that damn LED still on. I swear , its mocking me.
Thanks in advance
My Question: Can anyone think of any reason a Qbert PS would test working with no load and blow the fuse when I hook up a supposedly 100% working sound board. Just bought the working soundboard off a Klover and most likely promptly blew it right the hell out. No smoke or anything, just a blown fuse at first. I replaced the fuse and powered up with nothing attached to test the voltage of the power supply. Got all the right voltages.Then I plugged the PCB in and its working. Then I plug the sound board in and I get a couple pops and maybe a blue arc that looked like it came from the backside of the PS below the P3 plug. NOW, the fuse isn't blown, the LED that indicates the 30 volts is present stays on, and the 30 volts is nowhere to be found on the P4 plug. I swear this games out to get me. Any suggestions would be appreciated. My guess is a short, but I have no idea where to look. I can assume the PS's 30 volt is done for. But considering the PCB is working, and the PS is working minus the 30 volts, where should I look for the short and what might be blown on the PS, and why the hell is that damn LED still on. I swear , its mocking me.
Thanks in advance
