Help with Popeye board glitches

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I have a popeye 2 board set. Game plays and everything works. The only thing is that it has glitches in the character, hearts, etc.. The back ground and sound look great and sound great. Could somebody tell me what would cause this if all possible. I thought it was a bad rom.. Or is it a bad ram. If it is a bad ram where can I get a new one. And which rom/ram is it on the board.


Thanks in advance
 
I have a popeye 2 board set. Game plays and everything works. The only thing is that it has glitches in the character, hearts, etc.. The back ground and sound look great and sound great. Could somebody tell me what would cause this if all possible. I thought it was a bad rom.. Or is it a bad ram. If it is a bad ram where can I get a new one. And which rom/ram is it on the board.


Thanks in advance

I don't really know that board but usually grafix issues are a ram problem. If you get a ram chip you can usually piggy back on on suspect (bad) chip to see if that clears up the issue. I don't usually advise this to new techs. You can do more harm than good, the potential to really screw up is there as game is on and running when you do this.

I had to order ram for my Galaxian from Mikes Arcade but there are many sources for them.
 
yes pics help. Does your game look like this at the moment?

http://forums.arcade-museum.com/showthread.php?t=131320

I want to start of by saying thank you for all the help and links you have given me kb0jjn..The glitches are like the ones to the links, but mine look to be worse..I have included the pics I was talking about..I was wondering if you or somebody else can tell me what board I have. When I went to the Caesar link it talks about revision D unprotected, D, and F...which one of these am I suppose to look at in reference to my 2 board popeye. I also have included pics on the board too..

thanks in advance
 

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I was wondering if these are the ram chips need to be replaced on the board..if so, is all of them suppose to be the same chip. If you look at the pic..there are 3 the same and 1 is different..is that suppose to be like that or does that even matter..I was reading on the internet and found a schematic of the board..it show that all of them are the same..Just wanting to make sure before I get new ones..if I'm suppose to get 4 or 3 and one of the other...


thanks in advance
 

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Those 4 chips are the same part # n82s09n. 8232 means the chip was manufactured in the 32nd week of 1982. Not sure what the 2nd line means.
 
I'm going to ask one more dumb question.. Are these preprogrammed or do I need to get them programmer after I get the ram chips.

Thanks in advance
 
Those 4 chips are the same part # n82s09n. 8232 means the chip was manufactured in the 32nd week of 1982. Not sure what the 2nd line means.

Thanks you majorhavoc. Wasn't sure.. What the other numbers were for. Rookie at all of this. Still learning.

Thanks
 
RAM chips are memory (not unlike what's in your PC). The game reads and writes to it continuously while it's running, so they're not pre-programmed (ROM's are pre-programmed).
 
Thanks you majorhavoc. Wasn't sure.. What the other numbers were for. Rookie at all of this. Still learning.

Thanks

If you are not sure about part numbers, ASK!!!! I have some parts that I can't use as a result of not watching the part numbers. It may look like the right part but the numbers may tell a different story. Not sure=ask! Learn from my mistake(s).
 
Those 4 chips are the same part # n82s09n. 8232 means the chip was manufactured in the 32nd week of 1982. Not sure what the 2nd line means.

The S in the second line is the manufacturer which is Signetics. Those 82S09 rams rarely fail, doubt its your problem.
 
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