Arcade Collecting > Restorations & repair
What's my first step? Sinistar - not working
geocab:
Hi everyone,
Level, thanks for that link, I will definitely keep that board in mind for later. However, I'd like to first try and repair my current hardware if possible. Even though I don't know much more than a novice, I'm not completely unfamiliar with electronics as I used to be so I'm not afraid to dive in like I used to be. Especially with the resource of this forum which I did not have previously.
So, of the suggestions you made, the RAM fix and rebuilding the power supply, is there one I should try first over the other, or do both at the same time? (EDIT: Cheffo replied as I did so anwered this for me.) Should I try to clean all of the connectors or just replace them?
Cheffo, thanks for compliment on the cabinet, when I get it all the way unburied (a lot of boxes around it) I'll take more pics. I know the artwork is scratched up a little bit and some of the moulding needs replaced.
This is cool, I was almost expecting a reply saying, "sorry, but you're SOL with repairing this". I'm exciting to get started on this.
Talk to ya later!
George
CheffoJeffo:
--- Quote from: geocab on February 13, 2009, 03:15:52 pm ---This is cool, I was almost expecting a reply saying, "sorry, but you're SOL with repairing this". I'm exciting to get started on this.
--- End quote ---
Let me take another crack at it then ...
--- Quote from: CheffoJeffo ---Sorry, but you're SOL with repairing this.
And because I'm a nice guy, I'll come and haul that piece of junk away free of charge so as not to cause you more pain.
--- End quote ---
Actually, that might have worked out better for me ! ;)
:cheers:
Level42:
OK I agree with your decision, I also think it's worth to try and rescue the original electronics. However, thought you might be totally scared of it and so I figured it would be 1000 times better to have a Jrok board in there than sell/scrap the machine :)
But don't say I didn't warn you _if_ this is going to be a long search.
See if any of the connectors get hot. However, the one that I found to get hot are clearly already directly soldered to the pins in your machine now.
Again, I'm not an expert, but from what I've read, my money is on the RAM.
But the very first step should always be, check the basics. Measure your supply voltages.
geocab:
If this ends up being a long search - no problem. I've had the machine for 15 years and I haven't used it at all for the past 9, I'm sure I can wait a bit more. :afro:
Question about the DRAM, where can I get some? I found one link to 4164 DRAM, but there were different kinds, 4164-20, 4164-10, etc. What does the 10, 20, etc. mean? Where is the DRAM located, is it the bank of 24 next to the AA batteries I need to replace?
RayB:
Does the JROK board come with a Jamma to Williams adapter ?
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