Jakobud
Member
I just got a Joust cabinet from some guy who had it sitting in his garage for a while. He didn't know anything about it or the condition it was in.
Anyways, this is what I got so far:
When i plug it in and turn on, I see a brief flash of light on the monitor and then no picture after that, just black.
I can also hear the hum of the speakers, so I know its getting power.
I never hear any audio from the game or demo mode if I wait and let it sit there for a bit. I added some credits and pressed the 1P 2P start buttons, but still no sounds. I did find what appeared to be the volume control on the inside of the cabinet on the right wall (it was a potentiometer with a brass looking tub on it that you turn). I fiddled with the volume but still never heard any audio.
Also, on one of the boards (it's not the rom board, I'm not sure what it is) there are three red LEDS labeled "LED, LED2 and LED3". Only LED2 and LED3 are lite up when it's on.
So that is kinda where its at right now and I have no idea where to start trouble shooting. I am a huge arcade fan but don't know hardly anything about restoring them or the circuits or whatever. I know that the power supply can be dangerous to mess with and I know the monitor is dangerous to mess with whether its plugged in or not. I've read about people using logic probes? and stuff to figure out what isn't working on the boards. I don't even know what a logic probe is. I have a voltmeter, will that help?
Anyways, any help I could get would be useful. I just don't know what I should be looking at or how I should be testing stuff. Like should I be able to tell if it's a power supply problem? Monitor? game board? roms?
Thanks in advance guys
Anyways, this is what I got so far:
When i plug it in and turn on, I see a brief flash of light on the monitor and then no picture after that, just black.
I can also hear the hum of the speakers, so I know its getting power.
I never hear any audio from the game or demo mode if I wait and let it sit there for a bit. I added some credits and pressed the 1P 2P start buttons, but still no sounds. I did find what appeared to be the volume control on the inside of the cabinet on the right wall (it was a potentiometer with a brass looking tub on it that you turn). I fiddled with the volume but still never heard any audio.
Also, on one of the boards (it's not the rom board, I'm not sure what it is) there are three red LEDS labeled "LED, LED2 and LED3". Only LED2 and LED3 are lite up when it's on.
So that is kinda where its at right now and I have no idea where to start trouble shooting. I am a huge arcade fan but don't know hardly anything about restoring them or the circuits or whatever. I know that the power supply can be dangerous to mess with and I know the monitor is dangerous to mess with whether its plugged in or not. I've read about people using logic probes? and stuff to figure out what isn't working on the boards. I don't even know what a logic probe is. I have a voltmeter, will that help?
Anyways, any help I could get would be useful. I just don't know what I should be looking at or how I should be testing stuff. Like should I be able to tell if it's a power supply problem? Monitor? game board? roms?
Thanks in advance guys
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