Having graphics problems on sharpshoot board

needhelp

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I have a sharpshooter board with graphics problems. I thought it was the graphic EPROMs. But I bought another set on eBay. They said they were working. So I put them in and it still did not fix problem. Was wondering anybody might know what else it could be.


Thanks in advance
 
I have a sharpshooter board with graphics problems. I thought it was the graphic EPROMs. But I bought another set on eBay. They said they were working. So I put them in and it still did not fix problem. Was wondering anybody might know what else it could be.


Thanks in advance

Several things can cause problems:
power supply being a bit low
connections
cut/broken trace
monitor (doubt it)
you may try a working board to see if that will fix the problem and if it does you have a working board to test with to find the problem. I try to keep a working set of boards on hand for this reason. I call them my "golden set". That is one of the newer boards and I have had luck with them (all bad). I feel you pain I have a street fighter 2 that I can not find the schematics for. You may try this board to see if it is actually working and compare readings to your board. It will speed up the repair process in most cases.

http://www.ebay.com/itm/sharp-shoot...999?pt=LH_DefaultDomain_0&hash=item256b1fad1f
 
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