I need help with my Frogger...

stevel

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Shippenville, Pennsylvania
This thing is driving me crazy. All I get is a bunch of lines across the screen. If I adjust the horiz. and vert. hold I can get it to calm down and straighten out a bit, but still just lines. I know that the monitor is good. It started out as a dead board, but this is as far as I can get. I have tried everything I can think of, but no change. Someone please help. At least point me in the right direction.

Thanks.
 

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No, no volume pot. Just a 6 pin connector where it should be. I am going to wire something up later this week. It would definitely help to know if it coins up or I get any sounds.
 
I'm no expert but the picture looks like the monitor sync isn't happening. Aren't there different sync requirements between the PCB and the monitor... negative sync, composite sync. etc?
http://arcadecontrols.com/BBBB/sync.html
Maybe post this in the monitor section, with the same picture, and see if you hear something different or get a better suggestion.
 
IIRC my Frogger uses a neg sync hookup which means you have R,B,G,Neg hooked up to the first 4 pins and the sync is separate hooking it to the 3 isolated pins.
 
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