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CRT to LCD Conversion Question
Question from James: Good Morning!
I’ve been slowing working on converting my multicade from a CRT monitor (which went bad) to an LCD. I bought the GBS8200 video converter board and a LG monitor with VGA connections. The JAMMA harness on the multicade is older, so it didn’t have the 5 pin connector that easily would have connected to the GBS8200. So instead, I spliced the included 6 pin connector to the video wires coming out of the JAMMA harness. Everything went smooth and I’m getting a great picture and it is fully functional. However, after 5-7 minutes of use, the LCD screen starts to fade to white. Eventually, it is just a white screen. During this, the game is still fully operational. All the help I found so far indicates the monitor is bad. So I switched the VGA connection to my work monitor (definitely works). I still got the same issue.
I am at a loss as to what may be causing this. Any help is greatly appreciated. I checked all the connections with the 6 pin splice job I did and they seem snug. Let me know what further info I can provide to help me troubleshoot this.
Thanks!
James
1 answer
Response from Jonathan: James,
From your description, it sounds like everything is hooked up correctly. There should be no problem splicing into the 6 pin connector that comes with the video converter board as long as you match up the wires to their correct positions. The fact that the white screen occurs on two monitors makes me think that you may have possibly gotten a bad GBS8200 board. You might try contacting the seller that you bought the video converter board from to see if they have any thoughts on your issue or if they can swap you out with another one.
With that said, I’m surprised that your multicade board doesn’t have a VGA out built into it. Most of the multicade boards that we’ve seen have a VGA output that can be used directly without the need for a video converter board. It usually just takes a flip of a dip switch to activate that VGA port and be off and running. If your board does have a VGA out port, you might try that to see if you get the same result.
Hope that helps. Thank you for your question and good luck with your repair.
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