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Author Topic: Struggling with my first build... Games Family 2100 PCB/Jamma inside.  (Read 6496 times)

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Mouse92im

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Hi all,

First time poster/newbie here. Glad I stumbled across a forums site after my many failed search attempts.  Hoping someone can ease my frustrations with a suggestion or two...

I'm at the tail end of my first build.  Decided to go with one of these Games Family systems. Originally picked up a 3149 in 1, but ended up sending it back thinking it was faulty.  Just received a second unit, this time a 2100 in 1 with the same issue.

I can't seem to get any screen or sounds after fully connected and fired up.  Feels as though I have quadruple checked all my wiring, but not getting any results.  Here's a small list of things I have tried troubleshooting so far...

  • Arcade monitor has power
  • WellsGardner 60hz monitor and RGB, Gnd, and sync are connected
  • Jamma harness +12v, +5v, -5v, Gnd are hooked up and working.  Tested with voltmeter.
  • Jamma harness seems to be wired correctly.  Plugged it into my original Golden Tee pcb to test and works fine.
  • Using 20 pin ATX per manual to power the PC
  • PC fan and hard drive spinning
  • tested a second ATX power with same results - no signal to screen
  • attempted to hook up CPU monitor to VGA port - no response/no signal

I'm stumped.


Anyone have an idea where I'm going wrong?


Thanks in advance.
Ryan
« Last Edit: November 21, 2014, 12:04:49 am by Mouse92im »

Mouse92im

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Re: Struggling with my first build... Games Family 2100 PCB/Jamma inside.
« Reply #1 on: November 21, 2014, 12:04:05 am »
UPDATE:

Obviously it helps if I plug in the CPU processor.   ;D

Got it up and running.. All is good, with the exception of the monitor.

I am unable to use the arcade monitor in the cabinet because I don't have a way of connecting it. 

Back to the web to find out how... 




lilshawn

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Re: Struggling with my first build... Games Family 2100 PCB/Jamma inside.
« Reply #2 on: November 21, 2014, 02:53:45 pm »
those multi-in-1 boards often have a dip switch you have to adjust for it to output either VGA (in the case of a computer monitor or tri sync arcade monitor), or "15k" for output to a standard res arcade monitor through the jamma harness connections...

all the arcade monitor needs for video is Red, Green, Blue, Ground, and Sync to operate. your multi-in-1 board should have come with a book with a diagram of the JAMMA harness and it's connections. if for some reason it didn't, here's one:



wire straight from the harness to the monitor. no conversion or other hardware outside of a physical plug should be necessary to operate..

Mouse92im

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Re: Struggling with my first build... Games Family 2100 PCB/Jamma inside.
« Reply #3 on: November 27, 2014, 02:35:22 am »
Thank you.  This particular 2100-1 didn't come with that little VGA to 6pin plug that connects to,the second deck jamma Board.  I've contacted Andy at Ultimarc and also got a hold of a guy who sells parts for it straight out of china. 

I opted to just purchase a new VGA monitor and planning to replace the CGA arcade monitor.  Picked up one today.  The plug would have cost me $6 plus $32 shipping.  Just didn't want to wait any longer for something I'm not 100% sure would work.  Kind of tired of fiddling with it all and rather play it.

Now I'll have a good arcade monitor that I'll need to get rid of.

lilshawn

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Re: Struggling with my first build... Games Family 2100 PCB/Jamma inside.
« Reply #4 on: November 27, 2014, 02:45:50 pm »
i see. this is wone of those computer with a jamma I/O board on there.

most of the multi-in-1's  i've seen are an all in one board. (6/32/60 in 1) but yeah, it should have come with a cable to pass the video from the motherboard to the I/O board to go out the jamma. i guess they assumed you'd just be hooking this straight up to a VGA monitor.